Merge branch 'depends/rmk/gpio' into next/devel

Conflicts:
arch/arm/mach-mxs/include/mach/gpio.h
arch/arm/plat-mxc/include/mach/gpio.h

Signed-off-by: Arnd Bergmann <[e-mail]>

arch/arm/Kconfig

···
 	select CLKDEV_LOOKUP
 	select HAVE_MACH_CLKDEV
 	select GENERIC_GPIO
+	select ARCH_REQUIRE_GPIOLIB
 	help
 	  Support for ST-Ericsson U300 series mobile platforms.
 

arch/arm/common/scoop.c

···
  */
 
 #include <linux/device.h>
+#include <linux/gpio.h>
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
-#include <asm/gpio.h>
 #include <asm/hardware/scoop.h>
 
 /* PCMCIA to Scoop linkage

arch/arm/include/asm/gpio.h

···
 /* not all ARM platforms necessarily support this API ... */
 #include <mach/gpio.h>
 
+#ifndef __ARM_GPIOLIB_COMPLEX
+/* Note: this may rely upon the value of ARCH_NR_GPIOS set in mach/gpio.h */
+#include <asm-generic/gpio.h>
+
+/* The trivial gpiolib dispatchers */
+#define gpio_get_value  __gpio_get_value
+#define gpio_set_value  __gpio_set_value
+#define gpio_cansleep   __gpio_cansleep
+#endif
+
+/*
+ * Provide a default gpio_to_irq() which should satisfy every case.
+ * However, some platforms want to do this differently, so allow them
+ * to override it.
+ */
+#ifndef gpio_to_irq
+#define gpio_to_irq	__gpio_to_irq
+#endif
+
 #endif /* _ARCH_ARM_GPIO_H */

arch/arm/include/asm/hardware/iop3xx-gpio.h

···
 #include <mach/hardware.h>
 #include <asm-generic/gpio.h>
 
+#define __ARM_GPIOLIB_COMPLEX
+
 #define IOP3XX_N_GPIOS	8
 
 static inline int gpio_get_value(unsigned gpio)

arch/arm/mach-at91/at91cap9_devices.c

···
 #include <asm/mach/irq.h>
 
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/i2c-gpio.h>
 
···
 
 #include <mach/board.h>
 #include <mach/cpu.h>
-#include <mach/gpio.h>
 #include <mach/at91cap9.h>
 #include <mach/at91cap9_matrix.h>
 #include <mach/at91sam9_smc.h>

arch/arm/mach-at91/at91rm9200_devices.c

···
 #include <asm/mach/map.h>
 
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/i2c-gpio.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91rm9200.h>
 #include <mach/at91rm9200_mc.h>
 

arch/arm/mach-at91/at91sam9260_devices.c

···
 #include <asm/mach/map.h>
 
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/i2c-gpio.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/cpu.h>
 #include <mach/at91sam9260.h>
 #include <mach/at91sam9260_matrix.h>

arch/arm/mach-at91/at91sam9261_devices.c

···
 #include <asm/mach/map.h>
 
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/i2c-gpio.h>
 
···
 #include <video/atmel_lcdc.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9261.h>
 #include <mach/at91sam9261_matrix.h>
 #include <mach/at91sam9_smc.h>

arch/arm/mach-at91/at91sam9263_devices.c

···
 #include <asm/mach/map.h>
 
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/i2c-gpio.h>
 
···
 #include <video/atmel_lcdc.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9263.h>
 #include <mach/at91sam9263_matrix.h>
 #include <mach/at91sam9_smc.h>

arch/arm/mach-at91/at91sam9g45_devices.c

···
 #include <asm/mach/map.h>
 
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/i2c-gpio.h>
 #include <linux/atmel-mci.h>
···
 #include <video/atmel_lcdc.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9g45.h>
 #include <mach/at91sam9g45_matrix.h>
 #include <mach/at91sam9_smc.h>

arch/arm/mach-at91/at91sam9rl_devices.c

···
 #include <asm/mach/map.h>
 
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/i2c-gpio.h>
 
···
 #include <video/atmel_lcdc.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9rl.h>
 #include <mach/at91sam9rl_matrix.h>
 #include <mach/at91sam9_smc.h>

arch/arm/mach-at91/board-1arm.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/cpu.h>
 
 #include "generic.h"

arch/arm/mach-at91/board-afeb-9260v1.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 
 #include "generic.h"
 

arch/arm/mach-at91/board-cam60.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 
 #include "sam9_smc.h"

arch/arm/mach-at91/board-cap9adk.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/map.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91cap9_matrix.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/system_rev.h>

arch/arm/mach-at91/board-carmeva.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 
 #include "generic.h"
 

arch/arm/mach-at91/board-cpu9krea.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91sam9260_matrix.h>
 

arch/arm/mach-at91/board-cpuat91.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91rm9200_mc.h>
 #include <mach/cpu.h>
 

arch/arm/mach-at91/board-csb337.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 
 #include "generic.h"
 

arch/arm/mach-at91/board-csb637.c

···
 
 #include <linux/types.h>
 #include <linux/init.h>
+#include <linux/gpio.h>
 #include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 
 #include "generic.h"
 

arch/arm/mach-at91/board-eb9200.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 
 #include "generic.h"
 

arch/arm/mach-at91/board-ecbat91.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/cpu.h>
 
 #include "generic.h"

arch/arm/mach-at91/board-kafa.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/cpu.h>
 
 #include "generic.h"

arch/arm/mach-at91/board-kb9202.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/cpu.h>
 #include <mach/at91rm9200_mc.h>
 

arch/arm/mach-at91/board-neocore926.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 
 #include "sam9_smc.h"

arch/arm/mach-at91/board-picotux200.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91rm9200_mc.h>
 
 #include "generic.h"

arch/arm/mach-at91/board-qil-a9260.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
 

arch/arm/mach-at91/board-rm9200dk.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91rm9200_mc.h>
 
 #include "generic.h"

arch/arm/mach-at91/board-rm9200ek.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91rm9200_mc.h>
 
 #include "generic.h"

arch/arm/mach-at91/board-sam9-l9260.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 
 #include "sam9_smc.h"

arch/arm/mach-at91/board-sam9260ek.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
 #include <mach/system_rev.h>

arch/arm/mach-at91/board-sam9261ek.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
 #include <mach/system_rev.h>

arch/arm/mach-at91/board-sam9263ek.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
 #include <mach/system_rev.h>

arch/arm/mach-at91/board-sam9g20ek.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/system_rev.h>
 

arch/arm/mach-at91/board-sam9m10g45ek.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
 #include <mach/system_rev.h>

arch/arm/mach-at91/board-sam9rlek.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
 

arch/arm/mach-at91/board-usb-a9260.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
 

arch/arm/mach-at91/board-usb-a9263.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91sam9_smc.h>
 #include <mach/at91_shdwc.h>
 

arch/arm/mach-at91/board-yl-9200.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/mm.h>
 #include <linux/module.h>
···
 
 #include <mach/hardware.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
 #include <mach/at91rm9200_mc.h>
 #include <mach/cpu.h>
 

arch/arm/mach-at91/gpio.c

···
 
 #include <linux/clk.h>
 #include <linux/errno.h>
+#include <linux/gpio.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/debugfs.h>
···
 
 #include <mach/hardware.h>
 #include <mach/at91_pio.h>
-#include <mach/gpio.h>
-
-#include <asm/gpio.h>
 
 #include "generic.h"
 

arch/arm/mach-at91/include/mach/gpio.h

···
  */
 
 #include <asm/errno.h>
-#include <asm-generic/gpio.h>		/* cansleep wrappers */
-
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
 
 #define gpio_to_irq(gpio) (gpio)
 #define irq_to_gpio(irq)  (irq)

arch/arm/mach-at91/leds.c

···
  * 2 of the License, or (at your option) any later version.
 */
 
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
 
 
 /* ------------------------------------------------------------------------- */

arch/arm/mach-at91/pm.c

···
  * (at your option) any later version.
  */
 
+#include <linux/gpio.h>
 #include <linux/suspend.h>
 #include <linux/sched.h>
 #include <linux/proc_fs.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/at91_pmc.h>
-#include <mach/gpio.h>
 #include <mach/cpu.h>
 
 #include "generic.h"

arch/arm/mach-davinci/Makefile

···
 
 # Common objects
 obj-y 			:= time.o clock.o serial.o io.o psc.o \
-			   gpio.o dma.o usb.o common.o sram.o aemif.o
+			   dma.o usb.o common.o sram.o aemif.o
 
 obj-$(CONFIG_DAVINCI_MUX)		+= mux.o
 
···
 obj-$(CONFIG_ARCH_DAVINCI_DA830)        += da830.o devices-da8xx.o
 obj-$(CONFIG_ARCH_DAVINCI_DA850)        += da850.o devices-da8xx.o
 obj-$(CONFIG_ARCH_DAVINCI_TNETV107X)    += tnetv107x.o devices-tnetv107x.o
-obj-$(CONFIG_ARCH_DAVINCI_TNETV107X)    += gpio-tnetv107x.o
 
 obj-$(CONFIG_AINTC)			+= irq.o
 obj-$(CONFIG_CP_INTC)			+= cp_intc.o

arch/arm/mach-davinci/da830.c

···
  * is licensed "as is" without any warranty of any kind, whether express
  * or implied.
  */
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/clk.h>
 
···
 #include <mach/common.h>
 #include <mach/time.h>
 #include <mach/da8xx.h>
-#include <mach/gpio.h>
+#include <mach/gpio-davinci.h>
 
 #include "clock.h"
 #include "mux.h"

arch/arm/mach-davinci/da850.c

···
  * is licensed "as is" without any warranty of any kind, whether express
  * or implied.
  */
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/clk.h>
 #include <linux/platform_device.h>
···
 #include <mach/da8xx.h>
 #include <mach/cpufreq.h>
 #include <mach/pm.h>
-#include <mach/gpio.h>
+#include <mach/gpio-davinci.h>
 
 #include "clock.h"
 #include "mux.h"

arch/arm/mach-davinci/dm355.c

···
 #include <linux/serial_8250.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
-#include <linux/gpio.h>
 
 #include <linux/spi/spi.h>
 
···
 #include <mach/common.h>
 #include <mach/asp.h>
 #include <mach/spi.h>
+#include <mach/gpio-davinci.h>
 
 #include "clock.h"
 #include "mux.h"

arch/arm/mach-davinci/dm365.c

···
 #include <linux/serial_8250.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
-#include <linux/gpio.h>
 #include <linux/spi/spi.h>
 
 #include <asm/mach/map.h>
···
 #include <mach/asp.h>
 #include <mach/keyscan.h>
 #include <mach/spi.h>
-
+#include <mach/gpio-davinci.h>
 
 #include "clock.h"
 #include "mux.h"

arch/arm/mach-davinci/dm644x.c

···
 #include <linux/clk.h>
 #include <linux/serial_8250.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
 
 #include <asm/mach/map.h>
 
···
 #include <mach/serial.h>
 #include <mach/common.h>
 #include <mach/asp.h>
+#include <mach/gpio-davinci.h>
 
 #include "clock.h"
 #include "mux.h"

arch/arm/mach-davinci/dm646x.c

···
 #include <linux/clk.h>
 #include <linux/serial_8250.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
 
 #include <asm/mach/map.h>
 
···
 #include <mach/serial.h>
 #include <mach/common.h>
 #include <mach/asp.h>
+#include <mach/gpio-davinci.h>
 
 #include "clock.h"
 #include "mux.h"

arch/arm/mach-davinci/gpio.c drivers/gpio/gpio-davinci.c

···
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  */
-
+#include <linux/gpio.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/io.h>
-
-#include <mach/gpio.h>
 
 #include <asm/mach/irq.h>
 
···
 
 static int gpio_irq_type(struct irq_data *d, unsigned trigger)
 {
-	struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
-	u32 mask = (u32) irq_data_get_irq_handler_data(d);
-
 	if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
 		return -EINVAL;
 

arch/arm/mach-davinci/include/mach/gpio-davinci.h

···
+/*
+ * TI DaVinci GPIO Support
+ *
+ * Copyright (c) 2006 David Brownell
+ * Copyright (c) 2007, MontaVista Software, Inc. <[e-mail]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef	__DAVINCI_DAVINCI_GPIO_H
+#define	__DAVINCI_DAVINCI_GPIO_H
+
+#include <linux/io.h>
+#include <linux/spinlock.h>
+
+#include <asm-generic/gpio.h>
+
+#include <mach/irqs.h>
+#include <mach/common.h>
+
+#define DAVINCI_GPIO_BASE 0x01C67000
+
+enum davinci_gpio_type {
+	GPIO_TYPE_DAVINCI = 0,
+	GPIO_TYPE_TNETV107X,
+};
+
+/*
+ * basic gpio routines
+ *
+ * board-specific init should be done by arch/.../.../board-XXX.c (maybe
+ * initializing banks together) rather than boot loaders; kexec() won't
+ * go through boot loaders.
+ *
+ * the gpio clock will be turned on when gpios are used, and you may also
+ * need to pay attention to PINMUX registers to be sure those pins are
+ * used as gpios, not with other peripherals.
+ *
+ * On-chip GPIOs are numbered 0..(DAVINCI_N_GPIO-1).  For documentation,
+ * and maybe for later updates, code may write GPIO(N).  These may be
+ * all 1.8V signals, all 3.3V ones, or a mix of the two.  A given chip
+ * may not support all the GPIOs in that range.
+ *
+ * GPIOs can also be on external chips, numbered after the ones built-in
+ * to the DaVinci chip.  For now, they won't be usable as IRQ sources.
+ */
+#define	GPIO(X)		(X)		/* 0 <= X <= (DAVINCI_N_GPIO - 1) */
+
+/* Convert GPIO signal to GPIO pin number */
+#define GPIO_TO_PIN(bank, gpio)	(16 * (bank) + (gpio))
+
+struct davinci_gpio_controller {
+	struct gpio_chip	chip;
+	int			irq_base;
+	spinlock_t		lock;
+	void __iomem		*regs;
+	void __iomem		*set_data;
+	void __iomem		*clr_data;
+	void __iomem		*in_data;
+};
+
+/* The __gpio_to_controller() and __gpio_mask() functions inline to constants
+ * with constant parameters; or in outlined code they execute at runtime.
+ *
+ * You'd access the controller directly when reading or writing more than
+ * one gpio value at a time, and to support wired logic where the value
+ * being driven by the cpu need not match the value read back.
+ *
+ * These are NOT part of the cross-platform GPIO interface
+ */
+static inline struct davinci_gpio_controller *
+__gpio_to_controller(unsigned gpio)
+{
+	struct davinci_gpio_controller *ctlrs = davinci_soc_info.gpio_ctlrs;
+	int index = gpio / 32;
+
+	if (!ctlrs || index >= davinci_soc_info.gpio_ctlrs_num)
+		return NULL;
+
+	return ctlrs + index;
+}
+
+static inline u32 __gpio_mask(unsigned gpio)
+{
+	return 1 << (gpio % 32);
+}
+
+#endif	/* __DAVINCI_DAVINCI_GPIO_H */

arch/arm/mach-davinci/include/mach/gpio.h

···
 #ifndef	__DAVINCI_GPIO_H
 #define	__DAVINCI_GPIO_H
 
-#include <linux/io.h>
-#include <linux/spinlock.h>
-
 #include <asm-generic/gpio.h>
 
-#include <mach/irqs.h>
-#include <mach/common.h>
-
-#define DAVINCI_GPIO_BASE 0x01C67000
-
-enum davinci_gpio_type {
-	GPIO_TYPE_DAVINCI = 0,
-	GPIO_TYPE_TNETV107X,
-};
-
-/*
- * basic gpio routines
- *
- * board-specific init should be done by arch/.../.../board-XXX.c (maybe
- * initializing banks together) rather than boot loaders; kexec() won't
- * go through boot loaders.
- *
- * the gpio clock will be turned on when gpios are used, and you may also
- * need to pay attention to PINMUX registers to be sure those pins are
- * used as gpios, not with other peripherals.
- *
- * On-chip GPIOs are numbered 0..(DAVINCI_N_GPIO-1).  For documentation,
- * and maybe for later updates, code may write GPIO(N).  These may be
- * all 1.8V signals, all 3.3V ones, or a mix of the two.  A given chip
- * may not support all the GPIOs in that range.
- *
- * GPIOs can also be on external chips, numbered after the ones built-in
- * to the DaVinci chip.  For now, they won't be usable as IRQ sources.
- */
-#define	GPIO(X)		(X)		/* 0 <= X <= (DAVINCI_N_GPIO - 1) */
-
-/* Convert GPIO signal to GPIO pin number */
-#define GPIO_TO_PIN(bank, gpio)	(16 * (bank) + (gpio))
-
-struct davinci_gpio_controller {
-	struct gpio_chip	chip;
-	int			irq_base;
-	spinlock_t		lock;
-	void __iomem		*regs;
-	void __iomem		*set_data;
-	void __iomem		*clr_data;
-	void __iomem		*in_data;
-};
-
-/* The __gpio_to_controller() and __gpio_mask() functions inline to constants
- * with constant parameters; or in outlined code they execute at runtime.
- *
- * You'd access the controller directly when reading or writing more than
- * one gpio value at a time, and to support wired logic where the value
- * being driven by the cpu need not match the value read back.
- *
- * These are NOT part of the cross-platform GPIO interface
- */
-static inline struct davinci_gpio_controller *
-__gpio_to_controller(unsigned gpio)
-{
-	struct davinci_gpio_controller *ctlrs = davinci_soc_info.gpio_ctlrs;
-	int index = gpio / 32;
-
-	if (!ctlrs || index >= davinci_soc_info.gpio_ctlrs_num)
-		return NULL;
-
-	return ctlrs + index;
-}
-
-static inline u32 __gpio_mask(unsigned gpio)
-{
-	return 1 << (gpio % 32);
-}
+/* The inline versions use the static inlines in the driver header */
+#include "gpio-davinci.h"
 
 /*
  * The get/set/clear functions will inline when called with constant
···
 		return 0;
 	else
 		return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
-	return __gpio_to_irq(gpio);
 }
 
 static inline int irq_to_gpio(unsigned irq)

arch/arm/mach-davinci/tnetv107x.c

···
  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/clk.h>
···
 #include <mach/psc.h>
 #include <mach/cp_intc.h>
 #include <mach/irqs.h>
-#include <mach/gpio.h>
 #include <mach/hardware.h>
 #include <mach/tnetv107x.h>
+#include <mach/gpio-davinci.h>
 
 #include "clock.h"
 #include "mux.h"

arch/arm/mach-ep93xx/core.c

···
 #include <mach/fb.h>
 #include <mach/ep93xx_keypad.h>
 #include <mach/ep93xx_spi.h>
+#include <mach/gpio-ep93xx.h>
 
 #include <asm/mach/map.h>
 #include <asm/mach/time.h>

arch/arm/mach-ep93xx/edb93xx.c

···
 #include <mach/hardware.h>
 #include <mach/fb.h>
 #include <mach/ep93xx_spi.h>
+#include <mach/gpio-ep93xx.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-ep93xx/include/mach/gpio.h arch/arm/mach-ep93xx/include/mach/gpio-ep93xx.h

···
-/*
- * arch/arm/mach-ep93xx/include/mach/gpio.h
- */
+/* Include file for the EP93XX GPIO controller machine specifics */
 
-#ifndef __ASM_ARCH_GPIO_H
-#define __ASM_ARCH_GPIO_H
+#ifndef __GPIO_EP93XX_H
+#define __GPIO_EP93XX_H
 
 /* GPIO port A.  */
 #define EP93XX_GPIO_LINE_A(x)		((x) + 0)
···
 /* maximum value for irq capable line identifiers */
 #define EP93XX_GPIO_LINE_MAX_IRQ	EP93XX_GPIO_LINE_F(7)
 
-/* new generic GPIO API - see Documentation/gpio.txt */
-
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-
-/*
- * Map GPIO A0..A7  (0..7)  to irq 64..71,
- *          B0..B7  (7..15) to irq 72..79, and
- *          F0..F7 (16..24) to irq 80..87.
- */
-#define gpio_to_irq(gpio)	\
-	(((gpio) <= EP93XX_GPIO_LINE_MAX_IRQ) ? (64 + (gpio)) : -EINVAL)
-
-#define irq_to_gpio(irq)	((irq) - gpio_to_irq(0))
-
-#endif
+#endif /* __GPIO_EP93XX_H */

arch/arm/mach-ep93xx/simone.c

···
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
 #include <linux/i2c.h>
 #include <linux/i2c-gpio.h>
 
 #include <mach/hardware.h>
 #include <mach/fb.h>
+#include <mach/gpio-ep93xx.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-ep93xx/snappercl15.c

···
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/io.h>
-#include <linux/gpio.h>
 #include <linux/i2c.h>
 #include <linux/i2c-gpio.h>
 #include <linux/fb.h>
···
 
 #include <mach/hardware.h>
 #include <mach/fb.h>
+#include <mach/gpio-ep93xx.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-exynos4/include/mach/gpio.h

···
 #ifndef __ASM_ARCH_GPIO_H
 #define __ASM_ARCH_GPIO_H __FILE__
 
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
-
 /* Practically, GPIO banks up to GPZ are the configurable gpio banks */
 
 /* GPIO bank sizes */
···
 /* define the number of gpios we need to the one after the GPZ() range */
 #define ARCH_NR_GPIOS		(EXYNOS4_GPZ(EXYNOS4_GPIO_Z_NR) +	\
 				 CONFIG_SAMSUNG_GPIO_EXTRA + 1)
-
-#include <asm-generic/gpio.h>
 
 #endif /* __ASM_ARCH_GPIO_H */

arch/arm/mach-gemini/include/mach/gpio.h

···
 #define __MACH_GPIO_H__
 
 #include <mach/irqs.h>
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
 
 #define gpio_to_irq(x)	((x) + GPIO_IRQ_BASE)
 #define irq_to_gpio(x)	((x) - GPIO_IRQ_BASE)

arch/arm/mach-imx/iomux-imx31.c

···
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  * MA 02110-1301, USA.
  */
-
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <mach/hardware.h>
-#include <mach/gpio.h>
 #include <mach/iomux-mx3.h>
 
 /*

arch/arm/mach-imx/mach-mx27ads.c

···
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  */
-
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
 #include <asm/mach/map.h>
-#include <mach/gpio.h>
 #include <mach/iomux-mx27.h>
 
 #include "devices-imx27.h"

arch/arm/mach-ixp2000/core.c

···
  * License version 2. This program is licensed "as is" without any 
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
···
 #include <asm/mach/time.h>
 #include <asm/mach/irq.h>
 
-#include <mach/gpio.h>
+#include <mach/gpio-ixp2000.h>
 
 static DEFINE_SPINLOCK(ixp2000_slowport_lock);
 static unsigned long ixp2000_slowport_irq_flags;

arch/arm/mach-ixp2000/include/mach/gpio.h arch/arm/mach-ixp2000/include/mach/gpio-ixp2000.h

···
  *
  * Copyright (C) 2002 Intel Corporation.
  *
- * This program is free software, you can redistribute it and/or modify 
+ * This program is free software, you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
···
 /*
  * IXP2000 GPIO in/out, edge/level detection for IRQs:
  * IRQs are generated on Falling-edge, Rising-Edge, Level-low, Level-High
- * or both Falling-edge and Rising-edge.  
+ * or both Falling-edge and Rising-edge.
  * This must be called *before* the corresponding IRQ is registerd.
  * Use this instead of directly setting the GPIO registers.
  * GPIOs may also be used as GPIOs (e.g. for emulating i2c/smb)

arch/arm/mach-ixp2000/ixdp2x00.c

···
  *  Free Software Foundation;  either version 2 of the  License, or (at your
  *  option) any later version.
  */
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/mm.h>
···
 #include <asm/mach/flash.h>
 #include <asm/mach/arch.h>
 
-#include <mach/gpio.h>
-
+#include <mach/gpio-ixp2000.h>
 
 /*************************************************************************
  * IXDP2x00 IRQ Initialization

arch/arm/mach-ixp4xx/dsmg600-setup.c

···
  * Author: Rod Whitby <[e-mail]>
  * Maintainers: http://www.nslu2-linux.org/
  */
-
+#include <linux/gpio.h>
 #include <linux/irq.h>
 #include <linux/jiffies.h>
 #include <linux/timer.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
 #include <asm/mach/time.h>
-#include <asm/gpio.h>
 
 #define DSMG600_SDA_PIN		5
 #define DSMG600_SCL_PIN		4

arch/arm/mach-ixp4xx/fsg-setup.c

···
  * Maintainers: http://www.nslu2-linux.org/
  *
  */
-
+#include <linux/gpio.h>
 #include <linux/if_ether.h>
 #include <linux/irq.h>
 #include <linux/serial.h>
···
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
-#include <asm/gpio.h>
 
 #define FSG_SDA_PIN		12
 #define FSG_SCL_PIN		13

arch/arm/mach-ixp4xx/include/mach/gpio.h

···
 #include <linux/kernel.h>
 #include <mach/hardware.h>
 
+#define __ARM_GPIOLIB_COMPLEX
+
 static inline int gpio_request(unsigned gpio, const char *label)
 {
 	return 0;
···
 #include <asm-generic/gpio.h>			/* cansleep wrappers */
 
 extern int gpio_to_irq(int gpio);
+#define gpio_to_irq gpio_to_irq
 extern int irq_to_gpio(unsigned int irq);
 
 #endif

arch/arm/mach-ixp4xx/nas100d-setup.c

···
  * Maintainers: http://www.nslu2-linux.org/
  *
  */
-
+#include <linux/gpio.h>
 #include <linux/if_ether.h>
 #include <linux/irq.h>
 #include <linux/jiffies.h>
···
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
-#include <asm/gpio.h>
 
 #define NAS100D_SDA_PIN		5
 #define NAS100D_SCL_PIN		6

arch/arm/mach-ixp4xx/nslu2-setup.c

···
  * Maintainers: http://www.nslu2-linux.org/
  *
  */
-
+#include <linux/gpio.h>
 #include <linux/if_ether.h>
 #include <linux/irq.h>
 #include <linux/serial.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/flash.h>
 #include <asm/mach/time.h>
-#include <asm/gpio.h>
 
 #define NSLU2_SDA_PIN		7
 #define NSLU2_SCL_PIN		6

arch/arm/mach-kirkwood/irq.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <mach/bridge-regs.h>
 #include <plat/irq.h>
-#include <asm/gpio.h>
 #include "common.h"
 
 static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)

arch/arm/mach-kirkwood/mpp.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/mbus.h>
 #include <linux/io.h>
-#include <asm/gpio.h>
 #include <mach/hardware.h>
 #include <plat/mpp.h>
 #include "common.h"

arch/arm/mach-ks8695/Makefile

···
 # Makefile for KS8695 architecture support
 #
 
-obj-y				:= cpu.o irq.o time.o gpio.o devices.o
+obj-y				:= cpu.o irq.o time.o devices.o
 obj-m				:=
 obj-n				:=
 obj-				:=

arch/arm/mach-ks8695/board-acs5k.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/devices.h>
-#include <mach/gpio.h>
+#include <mach/gpio-ks8695.h>
 
 #include "generic.h"
 

arch/arm/mach-ks8695/board-dsm320.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/devices.h>
-#include <mach/gpio.h>
+#include <mach/gpio-ks8695.h>
 
 #include "generic.h"
 

arch/arm/mach-ks8695/board-micrel.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
···
 #include <asm/mach/map.h>
 #include <asm/mach/irq.h>
 
-#include <mach/gpio.h>
+#include <mach/gpio-ks8695.h>
 #include <mach/devices.h>
 
 #include "generic.h"

arch/arm/mach-ks8695/devices.c

···
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 
 #include <mach/irqs.h>

arch/arm/mach-ks8695/gpio.c drivers/gpio/gpio-ks8695.c

···
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/init.h>
···
 #include <asm/mach/irq.h>
 
 #include <mach/regs-gpio.h>
-#include <mach/gpio.h>
+#include <mach/gpio-ks8695.h>
 
 /*
  * Configure a GPIO line for either GPIO function, or its internal

arch/arm/mach-ks8695/include/mach/gpio-ks8695.h

···
+/*
+ * Copyright (C) 2006 Andrew Victor
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __MACH_KS8659_GPIO_H
+#define __MACH_KS8659_GPIO_H
+
+#include <linux/kernel.h>
+
+#define KS8695_GPIO_0		0
+#define KS8695_GPIO_1		1
+#define KS8695_GPIO_2		2
+#define KS8695_GPIO_3		3
+#define KS8695_GPIO_4		4
+#define KS8695_GPIO_5		5
+#define KS8695_GPIO_6		6
+#define KS8695_GPIO_7		7
+#define KS8695_GPIO_8		8
+#define KS8695_GPIO_9		9
+#define KS8695_GPIO_10		10
+#define KS8695_GPIO_11		11
+#define KS8695_GPIO_12		12
+#define KS8695_GPIO_13		13
+#define KS8695_GPIO_14		14
+#define KS8695_GPIO_15		15
+
+/*
+ * Configure GPIO pin as external interrupt source.
+ */
+extern int ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
+
+/* Register the GPIOs */
+extern void ks8695_register_gpios(void);
+
+#endif /* __MACH_KS8659_GPIO_H */

arch/arm/mach-ks8695/include/mach/gpio.h

···
 #ifndef __ASM_ARCH_GPIO_H_
 #define __ASM_ARCH_GPIO_H_
 
-#include <linux/kernel.h>
-
-#define KS8695_GPIO_0		0
-#define KS8695_GPIO_1		1
-#define KS8695_GPIO_2		2
-#define KS8695_GPIO_3		3
-#define KS8695_GPIO_4		4
-#define KS8695_GPIO_5		5
-#define KS8695_GPIO_6		6
-#define KS8695_GPIO_7		7
-#define KS8695_GPIO_8		8
-#define KS8695_GPIO_9		9
-#define KS8695_GPIO_10		10
-#define KS8695_GPIO_11		11
-#define KS8695_GPIO_12		12
-#define KS8695_GPIO_13		13
-#define KS8695_GPIO_14		14
-#define KS8695_GPIO_15		15
-
-/*
- * Configure GPIO pin as external interrupt source.
- */
-extern int ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
-
 /*
  * Map IRQ number to GPIO line.
  */
 extern int irq_to_gpio(unsigned int irq);
-
-#include <asm-generic/gpio.h>
-
-/* If it turns out that we need to optimise GPIO access for the
- * Micrel's GPIOs, then these can be changed to check their argument
- * directly as static inlines. However for now it's probably not
- * worthwhile.
- */
-#define gpio_get_value __gpio_get_value
-#define gpio_set_value __gpio_set_value
-#define gpio_to_irq __gpio_to_irq
-
-/* Register the GPIOs */
-extern void ks8695_register_gpios(void);
 
 #endif

arch/arm/mach-ks8695/leds.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/gpio.h>
 
 #include <asm/leds.h>
 #include <mach/devices.h>
-#include <mach/gpio.h>
 
 
 static inline void ks8695_led_on(unsigned int led)

arch/arm/mach-lpc32xx/Makefile

···
 #
 
 obj-y	:= timer.o irq.o common.o serial.o clock.o
-obj-y	+= gpiolib.o pm.o suspend.o
+obj-y	+= pm.o suspend.o
 obj-y	+= phy3250.o
 

arch/arm/mach-lpc32xx/gpiolib.c drivers/gpio/gpio-lpc32xx.c

···
 
 #include <mach/hardware.h>
 #include <mach/platform.h>
-#include "common.h"
+#include <mach/gpio-lpc32xx.h>
 
 #define LPC32XX_GPIO_P3_INP_STATE		_GPREG(0x000)
 #define LPC32XX_GPIO_P3_OUTP_SET		_GPREG(0x004)

arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h

···
+/*
+ * Author: Kevin Wells <[e-mail]>
+ *
+ * Copyright (C) 2010 NXP Semiconductors
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MACH_GPIO_LPC32XX_H
+#define __MACH_GPIO_LPC32XX_H
+
+/*
+ * Note!
+ * Muxed GP pins need to be setup to the GP state in the board level
+ * code prior to using this driver.
+ * GPI pins : 28xP3 group
+ * GPO pins : 24xP3 group
+ * GPIO pins: 8xP0 group, 24xP1 group, 13xP2 group, 6xP3 group
+ */
+
+#define LPC32XX_GPIO_P0_MAX 8
+#define LPC32XX_GPIO_P1_MAX 24
+#define LPC32XX_GPIO_P2_MAX 13
+#define LPC32XX_GPIO_P3_MAX 6
+#define LPC32XX_GPI_P3_MAX 28
+#define LPC32XX_GPO_P3_MAX 24
+
+#define LPC32XX_GPIO_P0_GRP 0
+#define LPC32XX_GPIO_P1_GRP (LPC32XX_GPIO_P0_GRP + LPC32XX_GPIO_P0_MAX)
+#define LPC32XX_GPIO_P2_GRP (LPC32XX_GPIO_P1_GRP + LPC32XX_GPIO_P1_MAX)
+#define LPC32XX_GPIO_P3_GRP (LPC32XX_GPIO_P2_GRP + LPC32XX_GPIO_P2_MAX)
+#define LPC32XX_GPI_P3_GRP (LPC32XX_GPIO_P3_GRP + LPC32XX_GPIO_P3_MAX)
+#define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX)
+
+/*
+ * A specific GPIO can be selected with this macro
+ * ie, GPIO_05 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5)
+ * See the LPC32x0 User's guide for GPIO group numbers
+ */
+#define LPC32XX_GPIO(x, y) ((x) + (y))
+
+#endif /* __MACH_GPIO_LPC32XX_H */

arch/arm/mach-lpc32xx/include/mach/gpio.h

···
-/*
- * arch/arm/mach-lpc32xx/include/mach/gpio.h
- *
- * Author: Kevin Wells <[e-mail]>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __ASM_ARCH_GPIO_H
-#define __ASM_ARCH_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-/*
- * Note!
- * Muxed GP pins need to be setup to the GP state in the board level
- * code prior to using this driver.
- * GPI pins : 28xP3 group
- * GPO pins : 24xP3 group
- * GPIO pins: 8xP0 group, 24xP1 group, 13xP2 group, 6xP3 group
- */
-
-#define LPC32XX_GPIO_P0_MAX 8
-#define LPC32XX_GPIO_P1_MAX 24
-#define LPC32XX_GPIO_P2_MAX 13
-#define LPC32XX_GPIO_P3_MAX 6
-#define LPC32XX_GPI_P3_MAX 28
-#define LPC32XX_GPO_P3_MAX 24
-
-#define LPC32XX_GPIO_P0_GRP 0
-#define LPC32XX_GPIO_P1_GRP (LPC32XX_GPIO_P0_GRP + LPC32XX_GPIO_P0_MAX)
-#define LPC32XX_GPIO_P2_GRP (LPC32XX_GPIO_P1_GRP + LPC32XX_GPIO_P1_MAX)
-#define LPC32XX_GPIO_P3_GRP (LPC32XX_GPIO_P2_GRP + LPC32XX_GPIO_P2_MAX)
-#define LPC32XX_GPI_P3_GRP (LPC32XX_GPIO_P3_GRP + LPC32XX_GPIO_P3_MAX)
-#define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX)
-
-/*
- * A specific GPIO can be selected with this macro
- * ie, GPIO_05 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5)
- * See the LPC32x0 User's guide for GPIO group numbers
- */
-#define LPC32XX_GPIO(x, y) ((x) + (y))
-
-static inline int gpio_get_value(unsigned gpio)
-{
-	return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
-	__gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned gpio)
-{
-	return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
-	return __gpio_to_irq(gpio);
-}
-
-#endif

arch/arm/mach-lpc32xx/phy3250.c

···
 
 #include <mach/hardware.h>
 #include <mach/platform.h>
+#include <mach/gpio-lpc32xx.h>
 #include "common.h"
 
 /*

arch/arm/mach-mmp/aspenite.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  publishhed by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
···
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
 #include <linux/interrupt.h>
+#include <linux/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <mach/addr-map.h>
 #include <mach/mfp-pxa168.h>
 #include <mach/pxa168.h>
-#include <mach/gpio.h>
 #include <video/pxa168fb.h>
 #include <linux/input.h>
 #include <plat/pxa27x_keypad.h>

arch/arm/mach-mmp/brownstone.c

···
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
-#include <linux/gpio.h>
 #include <linux/regulator/machine.h>
 #include <linux/regulator/max8649.h>
 #include <linux/regulator/fixed.h>

arch/arm/mach-mmp/gplugd.c

···
  */
 
 #include <linux/init.h>
+#include <linux/gpio.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
 
-#include <mach/gpio.h>
 #include <mach/pxa168.h>
 #include <mach/mfp-pxa168.h>
 

arch/arm/mach-mmp/include/mach/gpio-pxa.h

···
+#ifndef __ASM_MACH_GPIO_PXA_H
+#define __ASM_MACH_GPIO_PXA_H
+
+#include <mach/addr-map.h>
+#include <mach/irqs.h>
+
+#define GPIO_REGS_VIRT	(APB_VIRT_BASE + 0x19000)
+
+#define BANK_OFF(n)	(((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
+#define GPIO_REG(x)	(*((volatile u32 *)(GPIO_REGS_VIRT + (x))))
+
+#define NR_BUILTIN_GPIO		IRQ_GPIO_NUM
+
+#define gpio_to_bank(gpio)	((gpio) >> 5)
+
+/* NOTE: these macros are defined here to make optimization of
+ * gpio_{get,set}_value() to work when 'gpio' is a constant.
+ * Usage of these macros otherwise is no longer recommended,
+ * use generic GPIO API whenever possible.
+ */
+#define GPIO_bit(gpio)	(1 << ((gpio) & 0x1f))
+
+#define GPLR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00)
+#define GPDR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c)
+#define GPSR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18)
+#define GPCR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24)
+
+#include <plat/gpio-pxa.h>
+
+#endif /* __ASM_MACH_GPIO_PXA_H */

arch/arm/mach-mmp/include/mach/gpio.h

···
 #ifndef __ASM_MACH_GPIO_H
 #define __ASM_MACH_GPIO_H
 
-#include <mach/addr-map.h>
-#include <mach/irqs.h>
 #include <asm-generic/gpio.h>
 
-#define GPIO_REGS_VIRT	(APB_VIRT_BASE + 0x19000)
-
-#define BANK_OFF(n)	(((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
-#define GPIO_REG(x)	(*((volatile u32 *)(GPIO_REGS_VIRT + (x))))
-
-#define NR_BUILTIN_GPIO		IRQ_GPIO_NUM
-
-#define gpio_to_bank(gpio)	((gpio) >> 5)
 #define gpio_to_irq(gpio)	(IRQ_GPIO_START + (gpio))
 #define irq_to_gpio(irq)	((irq) - IRQ_GPIO_START)
 
-
 #define __gpio_is_inverted(gpio)	(0)
 #define __gpio_is_occupied(gpio)	(0)
-
-/* NOTE: these macros are defined here to make optimization of
- * gpio_{get,set}_value() to work when 'gpio' is a constant.
- * Usage of these macros otherwise is no longer recommended,
- * use generic GPIO API whenever possible.
- */
-#define GPIO_bit(gpio)	(1 << ((gpio) & 0x1f))
-
-#define GPLR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00)
-#define GPDR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c)
-#define GPSR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18)
-#define GPCR(x)		GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24)
 
 #include <plat/gpio.h>
 #endif /* __ASM_MACH_GPIO_H */

arch/arm/mach-mmp/jasper.c

···
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
-#include <linux/gpio.h>
 #include <linux/regulator/machine.h>
 #include <linux/regulator/max8649.h>
 #include <linux/mfd/max8925.h>

arch/arm/mach-mmp/mmp2.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <mach/irqs.h>
 #include <mach/dma.h>
 #include <mach/mfp.h>
-#include <mach/gpio.h>
+#include <mach/gpio-pxa.h>
 #include <mach/devices.h>
 #include <mach/mmp2.h>
 

arch/arm/mach-mmp/pxa168.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <mach/regs-apbc.h>
 #include <mach/regs-apmu.h>
 #include <mach/irqs.h>
-#include <mach/gpio.h>
+#include <mach/gpio-pxa.h>
 #include <mach/dma.h>
 #include <mach/devices.h>
 #include <mach/mfp.h>

arch/arm/mach-mmp/pxa910.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <mach/regs-apmu.h>
 #include <mach/cputype.h>
 #include <mach/irqs.h>
-#include <mach/gpio.h>
+#include <mach/gpio-pxa.h>
 #include <mach/dma.h>
 #include <mach/mfp.h>
 #include <mach/devices.h>

arch/arm/mach-mmp/tavorevb.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  publishhed by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/smc91x.h>
+#include <linux/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <mach/addr-map.h>
 #include <mach/mfp-pxa910.h>
 #include <mach/pxa910.h>
-#include <mach/gpio.h>
 
 #include "common.h"
 

arch/arm/mach-msm/board-msm7x27.c

···
  * GNU General Public License for more details.
  *
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 
 #include <mach/vreg.h>
 #include <mach/mpp.h>
-#include <mach/gpio.h>
 #include <mach/board.h>
 #include <mach/msm_iomap.h>
 

arch/arm/mach-msm/board-msm7x30.c

···
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301, USA.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/irq.h>
 #include <linux/gpio.h>
···
 #include <asm/memory.h>
 #include <asm/setup.h>
 
-#include <mach/gpio.h>
 #include <mach/board.h>
 #include <mach/msm_iomap.h>
 #include <mach/dma.h>

arch/arm/mach-msm/board-qsd8x50.c

···
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  * 02110-1301, USA.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/irq.h>
 #include <linux/gpio.h>
···
 #include <mach/board.h>
 #include <mach/irqs.h>
 #include <mach/sirc.h>
-#include <mach/gpio.h>
 #include <mach/vreg.h>
 #include <mach/mmc.h>
 

arch/arm/mach-msm/board-sapphire.c

···
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
 */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 
 #include <linux/delay.h>
 
-#include <asm/gpio.h>
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-msm/board-trout-mmc.c

···
 /* linux/arch/arm/mach-msm/board-trout-mmc.c
 ** Author: Brian Swetland <[e-mail]>
 */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/err.h>
 #include <linux/debugfs.h>
 
-#include <asm/gpio.h>
 #include <asm/io.h>
 
 #include <mach/vreg.h>

arch/arm/mach-msm/board-trout-panel.c

···
 /* linux/arch/arm/mach-msm/board-trout-mddi.c
 ** Author: Brian Swetland <[e-mail]>
 */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/err.h>
 
 #include <asm/io.h>
-#include <asm/gpio.h>
 #include <asm/mach-types.h>
 
 #include <mach/msm_fb.h>

arch/arm/mach-msm/include/mach/gpio.h

···
-/*
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
- * Author: Mike Lockwood <[e-mail]>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-#ifndef __ASM_ARCH_MSM_GPIO_H
-#define __ASM_ARCH_MSM_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value  __gpio_get_value
-#define gpio_set_value  __gpio_set_value
-#define gpio_cansleep   __gpio_cansleep
-#define gpio_to_irq     __gpio_to_irq
-
-#endif /* __ASM_ARCH_MSM_GPIO_H */
+/* empty */

arch/arm/mach-mv78xx0/irq.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/irq.h>
-#include <asm/gpio.h>
 #include <mach/bridge-regs.h>
 #include <plat/irq.h>
 #include "common.h"

arch/arm/mach-mv78xx0/mpp.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/mbus.h>
 #include <linux/io.h>
 #include <plat/mpp.h>
-#include <asm/gpio.h>
 #include <mach/hardware.h>
 #include "common.h"
 #include "mpp.h"

arch/arm/mach-mxs/include/mach/gpio.h

···
-/*
- * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright 2008 Juergen Beisert, [e-mail]
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA  02110-1301, USA.
- */
-
-#ifndef __MACH_MXS_GPIO_H__
-#define __MACH_MXS_GPIO_H__
-
-#include <asm-generic/gpio.h>
-
-/* use gpiolib dispatchers */
-#define gpio_get_value		__gpio_get_value
-#define gpio_set_value		__gpio_set_value
-#define gpio_cansleep		__gpio_cansleep
-#define gpio_to_irq		__gpio_to_irq
-
-#endif /* __MACH_MXS_GPIO_H__ */
+/* empty */

arch/arm/mach-nomadik/board-nhk8815.c

···
 #include <asm/mach/irq.h>
 #include <asm/mach/flash.h>
 
+#include <plat/gpio-nomadik.h>
 #include <plat/mtu.h>
 
 #include <mach/setup.h>

arch/arm/mach-nomadik/cpu-8815.c

···
 #include <linux/device.h>
 #include <linux/amba/bus.h>
 #include <linux/platform_device.h>
-#include <linux/gpio.h>
 
+#include <plat/gpio-nomadik.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <asm/mach/map.h>

arch/arm/mach-nomadik/i2c-8815nhk.c

···
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
 #include <linux/i2c-gpio.h>
-#include <linux/gpio.h>
 #include <linux/platform_device.h>
+#include <plat/gpio-nomadik.h>
 
 /*
  * There are two busses in the 8815NHK.

arch/arm/mach-nomadik/include/mach/gpio.h

···
 #ifndef __ASM_ARCH_GPIO_H
 #define __ASM_ARCH_GPIO_H
 
-#include <plat/gpio.h>
-
 #endif /* __ASM_ARCH_GPIO_H */

arch/arm/mach-omap1/board-ams-delta.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/input.h>
···
 
 #include <plat/io.h>
 #include <plat/board-ams-delta.h>
-#include <mach/gpio.h>
 #include <plat/keypad.h>
 #include <plat/mux.h>
 #include <plat/usb.h>

arch/arm/mach-omap1/board-fsample.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <asm/mach/map.h>
 
 #include <plat/tc.h>
-#include <mach/gpio.h>
 #include <plat/mux.h>
 #include <plat/flash.h>
 #include <plat/fpga.h>

arch/arm/mach-omap1/board-generic.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <mach/gpio.h>
 #include <plat/mux.h>
 #include <plat/usb.h>
 #include <plat/board.h>

arch/arm/mach-omap1/board-h2-mmc.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 
 #include <linux/i2c/tps65010.h>
 
 #include <plat/mmc.h>
-#include <mach/gpio.h>
 
 #include "board-h2.h"
 

arch/arm/mach-omap1/board-h2.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
···
 #include <linux/smc91x.h>
 
 #include <mach/hardware.h>
-#include <asm/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-omap1/board-h3-mmc.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 
 #include <linux/i2c/tps65010.h>
 
 #include <plat/mmc.h>
-#include <mach/gpio.h>
 
 #include "board-h3.h"
 

arch/arm/mach-omap1/board-h3.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/major.h>
···
 #include <asm/setup.h>
 #include <asm/page.h>
 #include <mach/hardware.h>
-#include <asm/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-omap1/board-htcherald.c

···
  * 02110-1301, USA.
  *
  */
-
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>

arch/arm/mach-omap1/board-innovator.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <plat/mux.h>
 #include <plat/flash.h>
 #include <plat/fpga.h>
-#include <mach/gpio.h>
 #include <plat/tc.h>
 #include <plat/usb.h>
 #include <plat/keypad.h>

arch/arm/mach-omap1/board-nokia770.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/mutex.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <mach/gpio.h>
 #include <plat/mux.h>
 #include <plat/usb.h>
 #include <plat/board.h>

arch/arm/mach-omap1/board-osk.c

···
  * with this program; if not, write  to the Free Software Foundation, Inc.,
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/i2c/tps65010.h>
 
 #include <mach/hardware.h>
-#include <asm/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>

arch/arm/mach-omap1/board-palmte.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/input.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <mach/gpio.h>
 #include <plat/flash.h>
 #include <plat/mux.h>
 #include <plat/usb.h>

arch/arm/mach-omap1/board-palmtt.c

···
  */
 
 #include <linux/delay.h>
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <asm/mach/map.h>
 
 #include <plat/led.h>
-#include <mach/gpio.h>
 #include <plat/flash.h>
 #include <plat/mux.h>
 #include <plat/usb.h>

arch/arm/mach-omap1/board-palmz71.c

···
  */
 
 #include <linux/delay.h>
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <mach/gpio.h>
 #include <plat/flash.h>
 #include <plat/mux.h>
 #include <plat/usb.h>

arch/arm/mach-omap1/board-perseus2.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <asm/mach/map.h>
 
 #include <plat/tc.h>
-#include <mach/gpio.h>
 #include <plat/mux.h>
 #include <plat/fpga.h>
 #include <plat/flash.h>

arch/arm/mach-omap1/board-sx1-mmc.c

···
  * published by the Free Software Foundation.
  */
 
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 
 #include <mach/hardware.h>
 #include <plat/mmc.h>
-#include <mach/gpio.h>
 #include <plat/board-sx1.h>
 
 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)

arch/arm/mach-omap1/board-sx1.c

···
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/input.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <mach/gpio.h>
 #include <plat/flash.h>
 #include <plat/mux.h>
 #include <plat/dma.h>

arch/arm/mach-omap1/board-voiceblue.c

···
  */
 
 #include <linux/delay.h>
+#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
···
 
 #include <plat/board-voiceblue.h>
 #include <plat/common.h>
-#include <mach/gpio.h>
 #include <plat/flash.h>
 #include <plat/mux.h>
 #include <plat/tc.h>

arch/arm/mach-omap1/devices.c

···
  */
 
 #include <linux/dma-mapping.h>
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <plat/tc.h>
 #include <plat/board.h>
 #include <plat/mux.h>
-#include <mach/gpio.h>
 #include <plat/mmc.h>
 #include <plat/omap7xx.h>
 #include <plat/mcbsp.h>

arch/arm/mach-omap1/fpga.c

···
  */
 
 #include <linux/types.h>
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/device.h>
···
 #include <asm/mach/irq.h>
 
 #include <plat/fpga.h>
-#include <mach/gpio.h>
 
 static void fpga_mask_irq(struct irq_data *d)
 {

arch/arm/mach-omap1/irq.c

···
  * with this program; if not, write  to the Free Software Foundation, Inc.,
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/sched.h>
···
 #include <mach/hardware.h>
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
-#include <mach/gpio.h>
 #include <plat/cpu.h>
 
 #define IRQ_BANK(irq) ((irq) >> 5)

arch/arm/mach-omap1/leds-h2p2-debug.c

···
  * The "surfer" expansion board and H2 sample board also have two-color
  * green+red LEDs (in parallel), used here for timer and idle indicators.
  */
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/kernel_stat.h>
 #include <linux/sched.h>
···
 #include <asm/mach-types.h>
 
 #include <plat/fpga.h>
-#include <mach/gpio.h>
 
 #include "leds.h"
 

arch/arm/mach-omap1/leds-osk.c

···
  *
  * LED driver for OSK with optional Mistral QVGA board
  */
+#include <linux/gpio.h>
 #include <linux/init.h>
 
 #include <mach/hardware.h>
 #include <asm/leds.h>
 #include <asm/system.h>
-
-#include <mach/gpio.h>
 
 #include "leds.h"
 

arch/arm/mach-omap1/leds.c

···
  *
  * OMAP LEDs dispatcher
  */
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 
 #include <asm/leds.h>
 #include <asm/mach-types.h>
 
-#include <mach/gpio.h>
 #include <plat/mux.h>
 
 #include "leds.h"

arch/arm/mach-omap1/serial.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 
 #include <plat/board.h>
 #include <plat/mux.h>
-#include <mach/gpio.h>
 #include <plat/fpga.h>
 
 #include "pm.h"

arch/arm/mach-omap2/board-generic.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/device.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <mach/gpio.h>
 #include <plat/usb.h>
 #include <plat/board.h>
 #include <plat/common.h>

arch/arm/mach-omap2/board-h4.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
-#include <mach/gpio.h>
 #include <plat/usb.h>
 #include <plat/board.h>
 #include <plat/common.h>

arch/arm/mach-omap2/board-ldp.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <asm/mach/map.h>
 
 #include <plat/mcspi.h>
-#include <mach/gpio.h>
 #include <plat/board.h>
 #include <plat/common.h>
 #include <plat/gpmc.h>

arch/arm/mach-omap2/devices.c

···
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <plat/tc.h>
 #include <plat/board.h>
 #include <plat/mcbsp.h>
-#include <mach/gpio.h>
 #include <plat/mmc.h>
 #include <plat/dma.h>
 #include <plat/omap_hwmod.h>

arch/arm/mach-orion5x/db88f5281-setup.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/mv643xx_eth.h>
 #include <linux/i2c.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>

arch/arm/mach-orion5x/dns323-setup.c

···
  * License, or (at your option) any later version.
  *
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/delay.h>
···
 #include <linux/phy.h>
 #include <linux/marvell_phy.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>

arch/arm/mach-orion5x/irq.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/io.h>
-#include <asm/gpio.h>
 #include <mach/bridge-regs.h>
 #include <plat/irq.h>
 #include "common.h"

arch/arm/mach-orion5x/kurobox_pro-setup.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/serial_reg.h>
 #include <linux/ata_platform.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>

arch/arm/mach-orion5x/mv2120-setup.c

···
  * published by the Free Software Foundation; either version 2 of the
  * License, or (at your option) any later version.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/i2c.h>
 #include <linux/ata_platform.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <mach/orion5x.h>
 #include "common.h"

arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/ethtool.h>
 #include <net/dsa.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/leds.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>

arch/arm/mach-orion5x/rd88f5181l-ge-setup.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/i2c.h>
 #include <net/dsa.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/leds.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>

arch/arm/mach-orion5x/rd88f5182-setup.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/ata_platform.h>
 #include <linux/i2c.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/leds.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>

arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/ethtool.h>
 #include <net/dsa.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/leds.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>

arch/arm/mach-orion5x/terastation_pro2-setup.c

···
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/i2c.h>
 #include <linux/serial_reg.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>

arch/arm/mach-orion5x/ts209-setup.c

···
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/serial_reg.h>
 #include <linux/ata_platform.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>

arch/arm/mach-orion5x/ts409-setup.c

···
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/i2c.h>
 #include <linux/serial_reg.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>

arch/arm/mach-orion5x/wnr854t-setup.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/ethtool.h>
 #include <net/dsa.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>

arch/arm/mach-orion5x/wrt350n-v2-setup.c

···
  * License version 2.  This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <linux/input.h>
 #include <net/dsa.h>
 #include <asm/mach-types.h>
-#include <asm/gpio.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/pci.h>
 #include <mach/orion5x.h>

arch/arm/mach-pnx4008/gpio.c

···
  * is licensed "as is" without any warranty of any kind, whether express
  * or implied.
  */
-
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/io.h>
 #include <mach/hardware.h>
 #include <mach/platform.h>
-#include <mach/gpio.h>
+#include <mach/gpio-pnx4008.h>
 
 /* register definitions */
 #define PIO_VA_BASE	IO_ADDRESS(PNX4008_PIO_BASE)

arch/arm/mach-pnx4008/include/mach/gpio.h arch/arm/mach-pnx4008/include/mach/gpio-pnx4008.h

···
 /*
- * arch/arm/mach-pnx4008/include/mach/gpio.h
+ * arch/arm/mach-pnx4008/include/mach/gpio-pnx4008.h
  *
  * PNX4008 GPIO driver - header file
  *

arch/arm/mach-pnx4008/serial.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  */
-
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/io.h>
···
 
 #include <linux/serial_core.h>
 #include <linux/serial_reg.h>
-#include <mach/gpio.h>
 
+#include <mach/gpio-pnx4008.h>
 #include <mach/clock.h>
 
 #define UART_3		0

arch/arm/mach-pxa/cm-x255.c

···
 
 #include <linux/platform_device.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/nand-gpio.h>

arch/arm/mach-pxa/generic.c

···
  * initialization stuff for PXA machines which can be overridden later if
  * need be.
  */
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <asm/mach-types.h>
 
 #include <mach/reset.h>
-#include <mach/gpio.h>
 #include <mach/smemc.h>
 #include <mach/pxa3xx-regs.h>
 

arch/arm/mach-pxa/include/mach/gpio-pxa.h

···
+/*
+ * Written by Philipp Zabel <[e-mail]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#ifndef __MACH_PXA_GPIO_PXA_H
+#define __MACH_PXA_GPIO_PXA_H
+
+#include <mach/irqs.h>
+#include <mach/hardware.h>
+
+#define GPIO_REGS_VIRT	io_p2v(0x40E00000)
+
+#define BANK_OFF(n)	(((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
+#define GPIO_REG(x)	(*(volatile u32 *)(GPIO_REGS_VIRT + (x)))
+
+/* GPIO Pin Level Registers */
+#define GPLR0		GPIO_REG(BANK_OFF(0) + 0x00)
+#define GPLR1		GPIO_REG(BANK_OFF(1) + 0x00)
+#define GPLR2		GPIO_REG(BANK_OFF(2) + 0x00)
+#define GPLR3		GPIO_REG(BANK_OFF(3) + 0x00)
+
+/* GPIO Pin Direction Registers */
+#define GPDR0		GPIO_REG(BANK_OFF(0) + 0x0c)
+#define GPDR1		GPIO_REG(BANK_OFF(1) + 0x0c)
+#define GPDR2		GPIO_REG(BANK_OFF(2) + 0x0c)
+#define GPDR3		GPIO_REG(BANK_OFF(3) + 0x0c)
+
+/* GPIO Pin Output Set Registers */
+#define GPSR0		GPIO_REG(BANK_OFF(0) + 0x18)
+#define GPSR1		GPIO_REG(BANK_OFF(1) + 0x18)
+#define GPSR2		GPIO_REG(BANK_OFF(2) + 0x18)
+#define GPSR3		GPIO_REG(BANK_OFF(3) + 0x18)
+
+/* GPIO Pin Output Clear Registers */
+#define GPCR0		GPIO_REG(BANK_OFF(0) + 0x24)
+#define GPCR1		GPIO_REG(BANK_OFF(1) + 0x24)
+#define GPCR2		GPIO_REG(BANK_OFF(2) + 0x24)
+#define GPCR3		GPIO_REG(BANK_OFF(3) + 0x24)
+
+/* GPIO Rising Edge Detect Registers */
+#define GRER0		GPIO_REG(BANK_OFF(0) + 0x30)
+#define GRER1		GPIO_REG(BANK_OFF(1) + 0x30)
+#define GRER2		GPIO_REG(BANK_OFF(2) + 0x30)
+#define GRER3		GPIO_REG(BANK_OFF(3) + 0x30)
+
+/* GPIO Falling Edge Detect Registers */
+#define GFER0		GPIO_REG(BANK_OFF(0) + 0x3c)
+#define GFER1		GPIO_REG(BANK_OFF(1) + 0x3c)
+#define GFER2		GPIO_REG(BANK_OFF(2) + 0x3c)
+#define GFER3		GPIO_REG(BANK_OFF(3) + 0x3c)
+
+/* GPIO Edge Detect Status Registers */
+#define GEDR0		GPIO_REG(BANK_OFF(0) + 0x48)
+#define GEDR1		GPIO_REG(BANK_OFF(1) + 0x48)
+#define GEDR2		GPIO_REG(BANK_OFF(2) + 0x48)
+#define GEDR3		GPIO_REG(BANK_OFF(3) + 0x48)
+
+/* GPIO Alternate Function Select Registers */
+#define GAFR0_L		GPIO_REG(0x0054)
+#define GAFR0_U		GPIO_REG(0x0058)
+#define GAFR1_L		GPIO_REG(0x005C)
+#define GAFR1_U		GPIO_REG(0x0060)
+#define GAFR2_L		GPIO_REG(0x0064)
+#define GAFR2_U		GPIO_REG(0x0068)
+#define GAFR3_L		GPIO_REG(0x006C)
+#define GAFR3_U		GPIO_REG(0x0070)
+
+/* More handy macros.  The argument is a literal GPIO number. */
+
+#define GPIO_bit(x)	(1 << ((x) & 0x1f))
+
+#define GPLR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x00)
+#define GPDR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x0c)
+#define GPSR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x18)
+#define GPCR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x24)
+#define GRER(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x30)
+#define GFER(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x3c)
+#define GEDR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x48)
+#define GAFR(x)		GPIO_REG(0x54 + (((x) & 0x70) >> 2))
+
+
+#define NR_BUILTIN_GPIO		PXA_GPIO_IRQ_NUM
+
+#define gpio_to_bank(gpio)	((gpio) >> 5)
+
+#ifdef CONFIG_CPU_PXA26x
+/* GPIO86/87/88/89 on PXA26x have their direction bits in GPDR2 inverted,
+ * as well as their Alternate Function value being '1' for GPIO in GAFRx.
+ */
+static inline int __gpio_is_inverted(unsigned gpio)
+{
+	return cpu_is_pxa25x() && gpio > 85;
+}
+#else
+static inline int __gpio_is_inverted(unsigned gpio) { return 0; }
+#endif
+
+/*
+ * On PXA25x and PXA27x, GAFRx and GPDRx together decide the alternate
+ * function of a GPIO, and GPDRx cannot be altered once configured. It
+ * is attributed as "occupied" here (I know this terminology isn't
+ * accurate, you are welcome to propose a better one :-)
+ */
+static inline int __gpio_is_occupied(unsigned gpio)
+{
+	if (cpu_is_pxa27x() || cpu_is_pxa25x()) {
+		int af = (GAFR(gpio) >> ((gpio & 0xf) * 2)) & 0x3;
+		int dir = GPDR(gpio) & GPIO_bit(gpio);
+
+		if (__gpio_is_inverted(gpio))
+			return af != 1 || dir == 0;
+		else
+			return af != 0 || dir != 0;
+	} else
+		return GPDR(gpio) & GPIO_bit(gpio);
+}
+
+#include <plat/gpio-pxa.h>
+#endif /* __MACH_PXA_GPIO_PXA_H */

arch/arm/mach-pxa/include/mach/gpio.h

···
 #ifndef __ASM_ARCH_PXA_GPIO_H
 #define __ASM_ARCH_PXA_GPIO_H
 
-#include <mach/irqs.h>
-#include <mach/hardware.h>
 #include <asm-generic/gpio.h>
+/* The defines for the driver are needed for the accelerated accessors */
+#include "gpio-pxa.h"
 
-#define GPIO_REGS_VIRT	io_p2v(0x40E00000)
-
-#define BANK_OFF(n)	(((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
-#define GPIO_REG(x)	(*(volatile u32 *)(GPIO_REGS_VIRT + (x)))
-
-/* GPIO Pin Level Registers */
-#define GPLR0		GPIO_REG(BANK_OFF(0) + 0x00)
-#define GPLR1		GPIO_REG(BANK_OFF(1) + 0x00)
-#define GPLR2		GPIO_REG(BANK_OFF(2) + 0x00)
-#define GPLR3		GPIO_REG(BANK_OFF(3) + 0x00)
-
-/* GPIO Pin Direction Registers */
-#define GPDR0		GPIO_REG(BANK_OFF(0) + 0x0c)
-#define GPDR1		GPIO_REG(BANK_OFF(1) + 0x0c)
-#define GPDR2		GPIO_REG(BANK_OFF(2) + 0x0c)
-#define GPDR3		GPIO_REG(BANK_OFF(3) + 0x0c)
-
-/* GPIO Pin Output Set Registers */
-#define GPSR0		GPIO_REG(BANK_OFF(0) + 0x18)
-#define GPSR1		GPIO_REG(BANK_OFF(1) + 0x18)
-#define GPSR2		GPIO_REG(BANK_OFF(2) + 0x18)
-#define GPSR3		GPIO_REG(BANK_OFF(3) + 0x18)
-
-/* GPIO Pin Output Clear Registers */
-#define GPCR0		GPIO_REG(BANK_OFF(0) + 0x24)
-#define GPCR1		GPIO_REG(BANK_OFF(1) + 0x24)
-#define GPCR2		GPIO_REG(BANK_OFF(2) + 0x24)
-#define GPCR3		GPIO_REG(BANK_OFF(3) + 0x24)
-
-/* GPIO Rising Edge Detect Registers */
-#define GRER0		GPIO_REG(BANK_OFF(0) + 0x30)
-#define GRER1		GPIO_REG(BANK_OFF(1) + 0x30)
-#define GRER2		GPIO_REG(BANK_OFF(2) + 0x30)
-#define GRER3		GPIO_REG(BANK_OFF(3) + 0x30)
-
-/* GPIO Falling Edge Detect Registers */
-#define GFER0		GPIO_REG(BANK_OFF(0) + 0x3c)
-#define GFER1		GPIO_REG(BANK_OFF(1) + 0x3c)
-#define GFER2		GPIO_REG(BANK_OFF(2) + 0x3c)
-#define GFER3		GPIO_REG(BANK_OFF(3) + 0x3c)
-
-/* GPIO Edge Detect Status Registers */
-#define GEDR0		GPIO_REG(BANK_OFF(0) + 0x48)
-#define GEDR1		GPIO_REG(BANK_OFF(1) + 0x48)
-#define GEDR2		GPIO_REG(BANK_OFF(2) + 0x48)
-#define GEDR3		GPIO_REG(BANK_OFF(3) + 0x48)
-
-/* GPIO Alternate Function Select Registers */
-#define GAFR0_L		GPIO_REG(0x0054)
-#define GAFR0_U		GPIO_REG(0x0058)
-#define GAFR1_L		GPIO_REG(0x005C)
-#define GAFR1_U		GPIO_REG(0x0060)
-#define GAFR2_L		GPIO_REG(0x0064)
-#define GAFR2_U		GPIO_REG(0x0068)
-#define GAFR3_L		GPIO_REG(0x006C)
-#define GAFR3_U		GPIO_REG(0x0070)
-
-/* More handy macros.  The argument is a literal GPIO number. */
-
-#define GPIO_bit(x)	(1 << ((x) & 0x1f))
-
-#define GPLR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x00)
-#define GPDR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x0c)
-#define GPSR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x18)
-#define GPCR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x24)
-#define GRER(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x30)
-#define GFER(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x3c)
-#define GEDR(x)		GPIO_REG(BANK_OFF((x) >> 5) + 0x48)
-#define GAFR(x)		GPIO_REG(0x54 + (((x) & 0x70) >> 2))
-
-
-#define NR_BUILTIN_GPIO		PXA_GPIO_IRQ_NUM
-
-#define gpio_to_bank(gpio)	((gpio) >> 5)
 #define gpio_to_irq(gpio)	IRQ_GPIO(gpio)
 
 static inline int irq_to_gpio(unsigned int irq)
···
 		return gpio;
 
 	return -1;
-}
-
-#ifdef CONFIG_CPU_PXA26x
-/* GPIO86/87/88/89 on PXA26x have their direction bits in GPDR2 inverted,
- * as well as their Alternate Function value being '1' for GPIO in GAFRx.
- */
-static inline int __gpio_is_inverted(unsigned gpio)
-{
-	return cpu_is_pxa25x() && gpio > 85;
-}
-#else
-static inline int __gpio_is_inverted(unsigned gpio) { return 0; }
-#endif
-
-/*
- * On PXA25x and PXA27x, GAFRx and GPDRx together decide the alternate
- * function of a GPIO, and GPDRx cannot be altered once configured. It
- * is attributed as "occupied" here (I know this terminology isn't
- * accurate, you are welcome to propose a better one :-)
- */
-static inline int __gpio_is_occupied(unsigned gpio)
-{
-	if (cpu_is_pxa27x() || cpu_is_pxa25x()) {
-		int af = (GAFR(gpio) >> ((gpio & 0xf) * 2)) & 0x3;
-		int dir = GPDR(gpio) & GPIO_bit(gpio);
-
-		if (__gpio_is_inverted(gpio))
-			return af != 1 || dir == 0;
-		else
-			return af != 0 || dir != 0;
-	} else
-		return GPDR(gpio) & GPIO_bit(gpio);
 }
 
 #include <plat/gpio.h>

arch/arm/mach-pxa/include/mach/littleton.h

···
 #ifndef __ASM_ARCH_LITTLETON_H
 #define __ASM_ARCH_LITTLETON_H
 
-#include <mach/gpio.h>
+#include <mach/gpio-pxa.h>
 
 #define LITTLETON_ETH_PHYS	0x30000000
 

arch/arm/mach-pxa/irq.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  */
-
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/interrupt.h>
···
 
 #include <mach/hardware.h>
 #include <mach/irqs.h>
-#include <mach/gpio.h>
+#include <mach/gpio-pxa.h>
 
 #include "generic.h"
 

arch/arm/mach-pxa/lpd270.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/syscore_ops.h>
···
 #include <asm/mach/flash.h>
 
 #include <mach/pxa27x.h>
-#include <mach/gpio.h>
 #include <mach/lpd270.h>
 #include <mach/audio.h>
 #include <mach/pxafb.h>

arch/arm/mach-pxa/lubbock.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  */
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <asm/hardware/sa1111.h>
 
 #include <mach/pxa25x.h>
-#include <mach/gpio.h>
 #include <mach/audio.h>
 #include <mach/lubbock.h>
 #include <mach/udc.h>

arch/arm/mach-pxa/mainstone.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/syscore_ops.h>
···
 #include <asm/mach/flash.h>
 
 #include <mach/pxa27x.h>
-#include <mach/gpio.h>
 #include <mach/mainstone.h>
 #include <mach/audio.h>
 #include <mach/pxafb.h>

arch/arm/mach-pxa/mfp-pxa2xx.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/syscore_ops.h>
 
-#include <mach/gpio.h>
 #include <mach/pxa2xx-regs.h>
 #include <mach/mfp-pxa2xx.h>
+#include <mach/gpio-pxa.h>
 
 #include "generic.h"
 

arch/arm/mach-pxa/pcm990-baseboard.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
···
 
 #include <media/soc_camera.h>
 
-#include <asm/gpio.h>
 #include <mach/camera.h>
 #include <asm/mach/map.h>
 #include <mach/pxa27x.h>

arch/arm/mach-pxa/pxa25x.c

···
  * initialization stuff for PXA machines which can be overridden later if
  * need be.
  */
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <linux/suspend.h>
 #include <linux/syscore_ops.h>
 #include <linux/irq.h>
+#include <linux/gpio.h>
 
 #include <asm/mach/map.h>
 #include <asm/suspend.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
-#include <mach/gpio.h>
 #include <mach/pxa25x.h>
 #include <mach/reset.h>
 #include <mach/pm.h>

arch/arm/mach-pxa/pxa27x.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/i2c/pxa-i2c.h>
+#include <linux/gpio.h>
 
 #include <asm/mach/map.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
 #include <asm/suspend.h>
 #include <mach/irqs.h>
-#include <mach/gpio.h>
 #include <mach/pxa27x.h>
 #include <mach/reset.h>
 #include <mach/ohci.h>

arch/arm/mach-pxa/pxa3xx.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <asm/mach/map.h>
 #include <asm/suspend.h>
 #include <mach/hardware.h>
-#include <mach/gpio.h>
+#include <mach/gpio-pxa.h>
 #include <mach/pxa3xx-regs.h>
 #include <mach/reset.h>
 #include <mach/ohci.h>

arch/arm/mach-pxa/pxa95x.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <linux/syscore_ops.h>
 
 #include <mach/hardware.h>
-#include <mach/gpio.h>
+#include <mach/gpio-pxa.h>
 #include <mach/pxa3xx-regs.h>
 #include <mach/pxa930.h>
 #include <mach/reset.h>

arch/arm/mach-pxa/saarb.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  publishhed by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/i2c.h>
 #include <linux/i2c/pxa-i2c.h>
 #include <linux/mfd/88pm860x.h>
+#include <linux/gpio.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
···
 #include <mach/hardware.h>
 #include <mach/mfp.h>
 #include <mach/mfp-pxa930.h>
-#include <mach/gpio.h>
 
 #include "generic.h"
 

arch/arm/mach-realview/include/mach/gpio.h

···
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
+/* empty */

arch/arm/mach-s3c2410/include/mach/gpio.h

···
  * published by the Free Software Foundation.
 */
 
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
-
 /* some boards require extra gpio capacity to support external
  * devices that need GPIO.
  */
···
 #define ARCH_NR_GPIOS	(256 + CONFIG_S3C24XX_GPIO_EXTRA)
 #endif
 
-#include <asm-generic/gpio.h>
 #include <mach/gpio-nrs.h>
 #include <mach/gpio-fns.h>
 

arch/arm/mach-s3c2410/include/mach/h1940-latch.h

···
 #ifndef __ASM_ARCH_H1940_LATCH_H
 #define __ASM_ARCH_H1940_LATCH_H
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 
 #define H1940_LATCH_GPIO(x)		(S3C_GPIO_END + (x))
 

arch/arm/mach-s3c64xx/include/mach/gpio.h

···
  * published by the Free Software Foundation.
 */
 
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
-
 /* GPIO bank sizes */
 #define S3C64XX_GPIO_A_NR	(8)
 #define S3C64XX_GPIO_B_NR	(7)
···
 #define BOARD_NR_GPIOS 16
 
 #define ARCH_NR_GPIOS	(GPIO_BOARD_START + BOARD_NR_GPIOS)
-
-#include <asm-generic/gpio.h>

arch/arm/mach-s5p64x0/include/mach/gpio.h

···
 #ifndef __ASM_ARCH_GPIO_H
 #define __ASM_ARCH_GPIO_H __FILE__
 
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
-
 /* GPIO bank sizes */
 
 #define S5P6440_GPIO_A_NR	(6)
···
 /* define the number of gpios we need to the one after the last GPIO range */
 
 #define ARCH_NR_GPIOS		(S5P64X0_GPIO_END + CONFIG_SAMSUNG_GPIO_EXTRA)
-
-#include <asm-generic/gpio.h>
 
 #endif /* __ASM_ARCH_GPIO_H */

arch/arm/mach-s5pc100/include/mach/gpio.h

···
 #ifndef __ASM_ARCH_GPIO_H
 #define __ASM_ARCH_GPIO_H __FILE__
 
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
-
 /* GPIO bank sizes */
 #define S5PC100_GPIO_A0_NR	(8)
 #define S5PC100_GPIO_A1_NR	(5)
···
 
 /* define the number of gpios we need to the one after the MP04() range */
 #define ARCH_NR_GPIOS		(S5PC100_GPIO_END + 1)
-
-#include <asm-generic/gpio.h>
 
 #endif /* __ASM_ARCH_GPIO_H */

arch/arm/mach-s5pv210/include/mach/gpio.h

···
 #ifndef __ASM_ARCH_GPIO_H
 #define __ASM_ARCH_GPIO_H __FILE__
 
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
-
 /* Practically, GPIO banks up to MP03 are the configurable gpio banks */
 
 /* GPIO bank sizes */
···
 /* define the number of gpios we need to the one after the MP05() range */
 #define ARCH_NR_GPIOS		(S5PV210_MP05(S5PV210_GPIO_MP05_NR) +	\
 				 CONFIG_SAMSUNG_GPIO_EXTRA + 1)
-
-#include <asm-generic/gpio.h>
 
 #endif /* __ASM_ARCH_GPIO_H */

arch/arm/mach-sa1100/Makefile

···
 #
 
 # Common support
-obj-y := clock.o generic.o gpio.o irq.o dma.o time.o #nmi-oopser.o
+obj-y := clock.o generic.o irq.o dma.o time.o #nmi-oopser.o
 obj-m :=
 obj-n :=
 obj-  :=

arch/arm/mach-sa1100/generic.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <asm/mach/map.h>
 #include <asm/mach/flash.h>
 #include <asm/irq.h>
-#include <asm/gpio.h>
 
 #include "generic.h"
 

arch/arm/mach-sa1100/gpio.c drivers/gpio/gpio-sa1100.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/module.h>
 
-#include <asm/gpio.h>
 #include <mach/hardware.h>
-#include "generic.h"
 
 static int sa1100_gpio_get(struct gpio_chip *chip, unsigned offset)
 {

arch/arm/mach-sa1100/include/mach/gpio.h

···
 #include <asm/irq.h>
 #include <asm-generic/gpio.h>
 
+#define __ARM_GPIOLIB_COMPLEX
+
 static inline int gpio_get_value(unsigned gpio)
 {
 	if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX))
···
 
 #define gpio_to_irq(gpio)	((gpio < 11) ? (IRQ_GPIO0 + gpio) : \
 					(IRQ_GPIO11 - 11 + gpio))
-#define irq_to_gpio(irq)	((irq < IRQ_GPIO11_27) ? (irq - IRQ_GPIO0) : \
-					(irq - IRQ_GPIO11 + 11))
 
 #endif

arch/arm/mach-shmobile/include/mach/gpio.h

···
 
 #ifdef CONFIG_GPIOLIB
 
-static inline int gpio_get_value(unsigned gpio)
-{
-	return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
-	__gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned gpio)
-{
-	return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
-	return __gpio_to_irq(gpio);
-}
-
 static inline int irq_to_gpio(unsigned int irq)
 {
 	return -ENOSYS;
 }
+
+#else
+
+#define __ARM_GPIOLIB_COMPLEX
 
 #endif /* CONFIG_GPIOLIB */
 

arch/arm/mach-tegra/board-harmony-pcie.c

···
 
 #include <mach/pinmux.h>
 #include "board.h"
+#include "board-harmony.h"
 
 #ifdef CONFIG_TEGRA_PCI
-
-/* GPIO 3 of the PMIC */
-#define EN_VDD_1V05_GPIO	(TEGRA_NR_GPIOS + 2)
 
 static int __init harmony_pcie_init(void)
 {
···
 	if (!machine_is_harmony())
 		return 0;
 
-	err = gpio_request(EN_VDD_1V05_GPIO, "EN_VDD_1V05");
+	err = gpio_request(TEGRA_GPIO_EN_VDD_1V05_GPIO, "EN_VDD_1V05");
 	if (err)
 		return err;
 
-	gpio_direction_output(EN_VDD_1V05_GPIO, 1);
+	gpio_direction_output(TEGRA_GPIO_EN_VDD_1V05_GPIO, 1);
 
 	regulator = regulator_get(NULL, "pex_clk");
 	if (IS_ERR_OR_NULL(regulator))
···
 	regulator_disable(regulator);
 	regulator_put(regulator);
 err_reg:
-	gpio_free(EN_VDD_1V05_GPIO);
+	gpio_free(TEGRA_GPIO_EN_VDD_1V05_GPIO);
 
 	return err;
 }

arch/arm/mach-tegra/board-harmony.h

···
 #ifndef _MACH_TEGRA_BOARD_HARMONY_H
 #define _MACH_TEGRA_BOARD_HARMONY_H
 
+#include <mach/gpio-tegra.h>
+
 #define HARMONY_GPIO_TPS6586X(_x_)	(TEGRA_NR_GPIOS + (_x_))
 #define HARMONY_GPIO_WM8903(_x_)	(HARMONY_GPIO_TPS6586X(4) + (_x_))
 
···
 #define TEGRA_GPIO_HP_DET		TEGRA_GPIO_PW2
 #define TEGRA_GPIO_INT_MIC_EN		TEGRA_GPIO_PX0
 #define TEGRA_GPIO_EXT_MIC_EN		TEGRA_GPIO_PX1
+#define TEGRA_GPIO_EN_VDD_1V05_GPIO	HARMONY_GPIO_TPS6586X(2)
 
 void harmony_pinmux_init(void);
 int harmony_regulator_init(void);

arch/arm/mach-tegra/board-paz00.h

···
 #ifndef _MACH_TEGRA_BOARD_PAZ00_H
 #define _MACH_TEGRA_BOARD_PAZ00_H
 
+#include <mach/gpio-tegra.h>
+
 #define TEGRA_GPIO_SD1_CD		TEGRA_GPIO_PV5
 #define TEGRA_GPIO_SD1_WP		TEGRA_GPIO_PH1
 #define TEGRA_GPIO_SD1_POWER		TEGRA_GPIO_PT3

arch/arm/mach-tegra/board-seaboard.h

···
 #ifndef _MACH_TEGRA_BOARD_SEABOARD_H
 #define _MACH_TEGRA_BOARD_SEABOARD_H
 
+#include <mach/gpio-tegra.h>
+
 #define TEGRA_GPIO_SD2_CD		TEGRA_GPIO_PI5
 #define TEGRA_GPIO_SD2_WP		TEGRA_GPIO_PH1
 #define TEGRA_GPIO_SD2_POWER		TEGRA_GPIO_PI6

arch/arm/mach-tegra/board-trimslice-pinmux.c

···
  * GNU General Public License for more details.
  *
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 
 #include <mach/pinmux.h>
-#include <mach/gpio.h>
 
 #include "gpio-names.h"
 #include "board-trimslice.h"

arch/arm/mach-tegra/board-trimslice.h

···
 #ifndef _MACH_TEGRA_BOARD_TRIMSLICE_H
 #define _MACH_TEGRA_BOARD_TRIMSLICE_H
 
+#include <mach/gpio-tegra.h>
+
 #define TRIMSLICE_GPIO_SD4_CD	TEGRA_GPIO_PP1	/* mmc4 cd */
 #define TRIMSLICE_GPIO_SD4_WP	TEGRA_GPIO_PP2	/* mmc4 wp */
 

arch/arm/mach-tegra/include/mach/gpio-tegra.h

···
+/*
+ * arch/arm/mach-tegra/include/mach/gpio.h
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * Author:
+ *	Erik Gilling <[e-mail]>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_GPIO_TEGRA_H
+#define __MACH_TEGRA_GPIO_TEGRA_H
+
+#include <linux/types.h>
+#include <mach/irqs.h>
+
+#define TEGRA_NR_GPIOS		INT_GPIO_NR
+
+#define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio))
+
+struct tegra_gpio_table {
+	int	gpio;	/* GPIO number */
+	bool	enable;	/* Enable for GPIO at init? */
+};
+
+void tegra_gpio_config(struct tegra_gpio_table *table, int num);
+void tegra_gpio_enable(int gpio);
+void tegra_gpio_disable(int gpio);
+
+#endif

arch/arm/mach-tegra/include/mach/gpio.h

···
-/*
- * arch/arm/mach-tegra/include/mach/gpio.h
- *
- * Copyright (C) 2010 Google, Inc.
- *
- * Author:
- *	Erik Gilling <[e-mail]>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef __MACH_TEGRA_GPIO_H
-#define __MACH_TEGRA_GPIO_H
-
-#include <linux/init.h>
-#include <mach/irqs.h>
-
-#define TEGRA_NR_GPIOS		INT_GPIO_NR
-
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value		__gpio_get_value
-#define gpio_set_value		__gpio_set_value
-#define gpio_cansleep		__gpio_cansleep
-
-#define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio))
-#define TEGRA_IRQ_TO_GPIO(irq) ((irq) - INT_GPIO_BASE)
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
-	if (gpio < TEGRA_NR_GPIOS)
-		return INT_GPIO_BASE + gpio;
-	return -EINVAL;
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
-	if ((irq >= INT_GPIO_BASE) && (irq < INT_GPIO_BASE + INT_GPIO_NR))
-		return irq - INT_GPIO_BASE;
-	return -EINVAL;
-}
-
-struct tegra_gpio_table {
-	int	gpio;	/* GPIO number */
-	bool	enable;	/* Enable for GPIO at init? */
-};
-
-void tegra_gpio_config(struct tegra_gpio_table *table, int num);
-void tegra_gpio_enable(int gpio);
-void tegra_gpio_disable(int gpio);
-
-#endif

arch/arm/mach-tegra/usb_phy.c

···
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
 #include <asm/mach-types.h>
+#include <mach/gpio-tegra.h>
 #include <mach/usb_phy.h>
 #include <mach/iomap.h>
 

arch/arm/mach-u300/Kconfig

···
 
 config MACH_U300
 	bool "U300"
+	select GPIO_U300
 
 comment "ST-Ericsson U300/U330/U335/U365 Feature Selections"
 

arch/arm/mach-u300/core.c

···
 #include <mach/hardware.h>
 #include <mach/syscon.h>
 #include <mach/dma_channels.h>
+#include <mach/gpio-u300.h>
 
 #include "clock.h"
 #include "mmc.h"
···
 		.end   = IRQ_U300_GPIO_PORT2,
 		.flags = IORESOURCE_IRQ,
 	},
-#ifdef U300_COH901571_3
+#if defined(CONFIG_MACH_U300_BS365) || defined(CONFIG_MACH_U300_BS335)
 	{
 		.name  = "gpio3",
 		.start = IRQ_U300_GPIO_PORT3,
···
 		.end   = IRQ_U300_GPIO_PORT4,
 		.flags = IORESOURCE_IRQ,
 	},
+#endif
 #ifdef CONFIG_MACH_U300_BS335
 	{
 		.name  = "gpio5",
···
 		.flags = IORESOURCE_IRQ,
 	},
 #endif /* CONFIG_MACH_U300_BS335 */
-#endif /* U300_COH901571_3 */
 };
 
 static struct resource keypad_resources[] = {
···
 	.resource = i2c1_resources,
 };
 
+/*
+ * The different variants have a few different versions of the
+ * GPIO block, with different number of ports.
+ */
+static struct u300_gpio_platform u300_gpio_plat = {
+#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
+	.variant = U300_GPIO_COH901335,
+	.ports = 3,
+#endif
+#ifdef CONFIG_MACH_U300_BS335
+	.variant = U300_GPIO_COH901571_3_BS335,
+	.ports = 7,
+#endif
+#ifdef CONFIG_MACH_U300_BS365
+	.variant = U300_GPIO_COH901571_3_BS365,
+	.ports = 5,
+#endif
+	.gpio_base = 0,
+	.gpio_irq_base = IRQ_U300_GPIO_BASE,
+};
+
 static struct platform_device gpio_device = {
 	.name = "u300-gpio",
 	.id = -1,
 	.num_resources = ARRAY_SIZE(gpio_resources),
 	.resource = gpio_resources,
+	.dev = {
+		.platform_data = &u300_gpio_plat,
+	},
 };
 
 static struct platform_device keypad_device = {
···
 	BUG_ON(IS_ERR(clk));
 	clk_enable(clk);
 
-	for (i = 0; i < NR_IRQS; i++)
+	for (i = 0; i < U300_VIC_IRQS_END; i++)
 		set_bit(i, (unsigned long *) &mask[0]);
 	vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], mask[0]);
 	vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], mask[1]);

arch/arm/mach-u300/include/mach/gpio-u300.h

···
+/*
+ * Copyright (C) 2007-2011 ST-Ericsson AB
+ * License terms: GNU General Public License (GPL) version 2
+ * GPIO block resgister definitions and inline macros for
+ * U300 GPIO COH 901 335 or COH 901 571/3
+ * Author: Linus Walleij <[e-mail]>
+ */
+
+#ifndef __MACH_U300_GPIO_U300_H
+#define __MACH_U300_GPIO_U300_H
+
+/*
+ * Individual pin assignments for the B26/S26. Notice that the
+ * actual usage of these pins depends on the PAD MUX settings, that
+ * is why the same number can potentially appear several times.
+ * In the reference design each pin is only used for one purpose.
+ * These were determined by inspecting the B26/S26 schematic:
+ * 2/1911-ROA 128 1603
+ */
+#ifdef CONFIG_MACH_U300_BS2X
+#define U300_GPIO_PIN_UART_RX		0
+#define U300_GPIO_PIN_UART_TX		1
+#define U300_GPIO_PIN_GPIO02		2  /* Unrouted */
+#define U300_GPIO_PIN_GPIO03		3  /* Unrouted */
+#define U300_GPIO_PIN_CAM_SLEEP		4
+#define U300_GPIO_PIN_CAM_REG_EN	5
+#define U300_GPIO_PIN_GPIO06		6  /* Unrouted */
+#define U300_GPIO_PIN_GPIO07		7  /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO08		8  /* Service point SP2321 */
+#define U300_GPIO_PIN_GPIO09		9  /* Service point SP2322 */
+#define U300_GPIO_PIN_PHFSENSE		10 /* Headphone jack sensing */
+#define U300_GPIO_PIN_MMC_CLKRET	11 /* Clock return from MMC/SD card */
+#define U300_GPIO_PIN_MMC_CD		12 /* MMC Card insertion detection */
+#define U300_GPIO_PIN_FLIPSENSE		13 /* Mechanical flip sensing */
+#define U300_GPIO_PIN_GPIO14		14 /* DSP JTAG Port RTCK */
+#define U300_GPIO_PIN_GPIO15		15 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO16		16 /* Unrouted */
+#define U300_GPIO_PIN_GPIO17		17 /* Unrouted */
+#define U300_GPIO_PIN_GPIO18		18 /* Unrouted */
+#define U300_GPIO_PIN_GPIO19		19 /* Unrouted */
+#define U300_GPIO_PIN_GPIO20		20 /* Unrouted */
+#define U300_GPIO_PIN_GPIO21		21 /* Unrouted */
+#define U300_GPIO_PIN_GPIO22		22 /* Unrouted */
+#define U300_GPIO_PIN_GPIO23		23 /* Unrouted */
+#endif
+
+/*
+ * Individual pin assignments for the B330/S330 and B365/S365.
+ * Notice that the actual usage of these pins depends on the
+ * PAD MUX settings, that is why the same number can potentially
+ * appear several times. In the reference design each pin is only
+ * used for one purpose. These were determined by inspecting the
+ * S365 schematic.
+ */
+#if defined(CONFIG_MACH_U300_BS330) || defined(CONFIG_MACH_U300_BS365) || \
+    defined(CONFIG_MACH_U300_BS335)
+#define U300_GPIO_PIN_UART_RX		0
+#define U300_GPIO_PIN_UART_TX		1
+#define U300_GPIO_PIN_UART_CTS		2
+#define U300_GPIO_PIN_UART_RTS		3
+#define U300_GPIO_PIN_CAM_MAIN_STANDBY	4 /* Camera MAIN standby */
+#define U300_GPIO_PIN_GPIO05		5 /* Unrouted */
+#define U300_GPIO_PIN_MS_CD		6 /* Memory Stick Card insertion */
+#define U300_GPIO_PIN_GPIO07		7 /* Test point TP2430 */
+
+#define U300_GPIO_PIN_GPIO08		8 /* Test point TP2437 */
+#define U300_GPIO_PIN_GPIO09		9 /* Test point TP2431 */
+#define U300_GPIO_PIN_GPIO10		10 /* Test point TP2432 */
+#define U300_GPIO_PIN_MMC_CLKRET	11 /* Clock return from MMC/SD card */
+#define U300_GPIO_PIN_MMC_CD		12 /* MMC Card insertion detection */
+#define U300_GPIO_PIN_CAM_SUB_STANDBY	13 /* Camera SUB standby */
+#define U300_GPIO_PIN_GPIO14		14 /* Test point TP2436 */
+#define U300_GPIO_PIN_GPIO15		15 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO16		16 /* Test point TP2438 */
+#define U300_GPIO_PIN_PHFSENSE		17 /* Headphone jack sensing */
+#define U300_GPIO_PIN_GPIO18		18 /* Test point TP2439 */
+#define U300_GPIO_PIN_GPIO19		19 /* Routed somewhere */
+#define U300_GPIO_PIN_GPIO20		20 /* Unrouted */
+#define U300_GPIO_PIN_GPIO21		21 /* Unrouted */
+#define U300_GPIO_PIN_GPIO22		22 /* Unrouted */
+#define U300_GPIO_PIN_GPIO23		23 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO24		24 /* Unrouted */
+#define U300_GPIO_PIN_GPIO25		25 /* Unrouted */
+#define U300_GPIO_PIN_GPIO26		26 /* Unrouted */
+#define U300_GPIO_PIN_GPIO27		27 /* Unrouted */
+#define U300_GPIO_PIN_GPIO28		28 /* Unrouted */
+#define U300_GPIO_PIN_GPIO29		29 /* Unrouted */
+#define U300_GPIO_PIN_GPIO30		30 /* Unrouted */
+#define U300_GPIO_PIN_GPIO31		31 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO32		32 /* Unrouted */
+#define U300_GPIO_PIN_GPIO33		33 /* Unrouted */
+#define U300_GPIO_PIN_GPIO34		34 /* Unrouted */
+#define U300_GPIO_PIN_GPIO35		35 /* Unrouted */
+#define U300_GPIO_PIN_GPIO36		36 /* Unrouted */
+#define U300_GPIO_PIN_GPIO37		37 /* Unrouted */
+#define U300_GPIO_PIN_GPIO38		38 /* Unrouted */
+#define U300_GPIO_PIN_GPIO39		39 /* Unrouted */
+
+#ifdef CONFIG_MACH_U300_BS335
+
+#define U300_GPIO_PIN_GPIO40		40 /* Unrouted */
+#define U300_GPIO_PIN_GPIO41		41 /* Unrouted */
+#define U300_GPIO_PIN_GPIO42		42 /* Unrouted */
+#define U300_GPIO_PIN_GPIO43		43 /* Unrouted */
+#define U300_GPIO_PIN_GPIO44		44 /* Unrouted */
+#define U300_GPIO_PIN_GPIO45		45 /* Unrouted */
+#define U300_GPIO_PIN_GPIO46		46 /* Unrouted */
+#define U300_GPIO_PIN_GPIO47		47 /* Unrouted */
+
+#define U300_GPIO_PIN_GPIO48		48 /* Unrouted */
+#define U300_GPIO_PIN_GPIO49		49 /* Unrouted */
+#define U300_GPIO_PIN_GPIO50		50 /* Unrouted */
+#define U300_GPIO_PIN_GPIO51		51 /* Unrouted */
+#define U300_GPIO_PIN_GPIO52		52 /* Unrouted */
+#define U300_GPIO_PIN_GPIO53		53 /* Unrouted */
+#define U300_GPIO_PIN_GPIO54		54 /* Unrouted */
+#define U300_GPIO_PIN_GPIO55		55 /* Unrouted */
+#endif
+
+#endif
+
+/**
+ * enum u300_gpio_variant - the type of U300 GPIO employed
+ */
+enum u300_gpio_variant {
+	U300_GPIO_COH901335,
+	U300_GPIO_COH901571_3_BS335,
+	U300_GPIO_COH901571_3_BS365,
+};
+
+/**
+ * struct u300_gpio_platform - U300 GPIO platform data
+ * @variant: IP block variant
+ * @ports: number of GPIO block ports
+ * @gpio_base: first GPIO number for this block (use a free range)
+ * @gpio_irq_base: first GPIO IRQ number for this block (use a free range)
+ */
+struct u300_gpio_platform {
+	enum u300_gpio_variant variant;
+	u8 ports;
+	int gpio_base;
+	int gpio_irq_base;
+};
+
+#endif /* __MACH_U300_GPIO_U300_H */

arch/arm/mach-u300/include/mach/gpio.h

···
-/*
- *
- * arch/arm/mach-u300/include/mach/gpio.h
- *
- *
- * Copyright (C) 2007-2009 ST-Ericsson AB
- * License terms: GNU General Public License (GPL) version 2
- * GPIO block resgister definitions and inline macros for
- * U300 GPIO COH 901 335 or COH 901 571/3
- * Author: Linus Walleij <[e-mail]>
- */
-
-#ifndef __MACH_U300_GPIO_H
-#define __MACH_U300_GPIO_H
-
-#include <linux/kernel.h>
-#include <linux/io.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-
-/* Switch type depending on platform/chip variant */
-#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
-#define U300_COH901335
-#endif
-#if defined(CONFIG_MACH_U300_BS365) || defined(CONFIG_MACH_U300_BS335)
-#define U300_COH901571_3
-#endif
-
-/* Get base address for regs here */
-#include "u300-regs.h"
-/* IRQ numbers */
-#include "irqs.h"
-
-/*
- * This is the GPIO block definitions. GPIO (General Purpose I/O) can be
- * used for anything, and often is. The event/enable etc figures are for
- * the lowermost pin (pin 0 on each port), shift this left to match your
- * pin if you're gonna use these values.
- */
-#ifdef U300_COH901335
-#define U300_GPIO_PORTX_SPACING				(0x1C)
-/* Port X Pin Data Register 32bit, this is both input and output (R/W) */
-#define U300_GPIO_PXPDIR				(0x00)
-#define U300_GPIO_PXPDOR				(0x00)
-/* Port X Pin Config Register 32bit (R/W) */
-#define U300_GPIO_PXPCR					(0x04)
-#define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK		(0x0000FFFFUL)
-#define U300_GPIO_PXPCR_PIN_MODE_MASK			(0x00000003UL)
-#define U300_GPIO_PXPCR_PIN_MODE_SHIFT			(0x00000002UL)
-#define U300_GPIO_PXPCR_PIN_MODE_INPUT			(0x00000000UL)
-#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL	(0x00000001UL)
-#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN	(0x00000002UL)
-#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE	(0x00000003UL)
-/* Port X Interrupt Event Register 32bit (R/W) */
-#define U300_GPIO_PXIEV					(0x08)
-#define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK		(0x000000FFUL)
-#define U300_GPIO_PXIEV_IRQ_EVENT			(0x00000001UL)
-/* Port X Interrupt Enable Register 32bit (R/W) */
-#define U300_GPIO_PXIEN					(0x0C)
-#define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK		(0x000000FFUL)
-#define U300_GPIO_PXIEN_IRQ_ENABLE			(0x00000001UL)
-/* Port X Interrupt Force Register 32bit (R/W) */
-#define U300_GPIO_PXIFR					(0x10)
-#define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK		(0x000000FFUL)
-#define U300_GPIO_PXIFR_IRQ_FORCE			(0x00000001UL)
-/* Port X Interrupt Config Register 32bit (R/W) */
-#define U300_GPIO_PXICR					(0x14)
-#define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK		(0x000000FFUL)
-#define U300_GPIO_PXICR_IRQ_CONFIG_MASK			(0x00000001UL)
-#define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE		(0x00000000UL)
-#define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE		(0x00000001UL)
-/* Port X Pull-up Enable Register 32bit (R/W) */
-#define U300_GPIO_PXPER					(0x18)
-#define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK	(0x000000FFUL)
-#define U300_GPIO_PXPER_PULL_UP_DISABLE			(0x00000001UL)
-/* Control Register 32bit (R/W) */
-#define U300_GPIO_CR					(0x54)
-#define U300_GPIO_CR_BLOCK_CLOCK_ENABLE			(0x00000001UL)
-/* three ports of 8 bits each = GPIO pins 0..23 */
-#define U300_GPIO_NUM_PORTS 3
-#define U300_GPIO_PINS_PER_PORT 8
-#define U300_GPIO_MAX	(U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1)
-#endif
-
-#ifdef U300_COH901571_3
-/*
- * Control Register 32bit (R/W)
- * bit 15-9 (mask 0x0000FE00) contains the number of cores. 8*cores
- * gives the number of GPIO pins.
- * bit 8-2  (mask 0x000001FC) contains the core version ID.
- */
-#define U300_GPIO_CR					(0x00)
-#define U300_GPIO_CR_SYNC_SEL_ENABLE			(0x00000002UL)
-#define U300_GPIO_CR_BLOCK_CLKRQ_ENABLE			(0x00000001UL)
-#define U300_GPIO_PORTX_SPACING				(0x30)
-/* Port X Pin Data INPUT Register 32bit (R/W) */
-#define U300_GPIO_PXPDIR				(0x04)
-/* Port X Pin Data OUTPUT Register 32bit (R/W) */
-#define U300_GPIO_PXPDOR				(0x08)
-/* Port X Pin Config Register 32bit (R/W) */
-#define U300_GPIO_PXPCR					(0x0C)
-#define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK		(0x0000FFFFUL)
-#define U300_GPIO_PXPCR_PIN_MODE_MASK			(0x00000003UL)
-#define U300_GPIO_PXPCR_PIN_MODE_SHIFT			(0x00000002UL)
-#define U300_GPIO_PXPCR_PIN_MODE_INPUT			(0x00000000UL)
-#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL	(0x00000001UL)
-#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN	(0x00000002UL)
-#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE	(0x00000003UL)
-/* Port X Pull-up Enable Register 32bit (R/W) */
-#define U300_GPIO_PXPER					(0x10)
-#define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK	(0x000000FFUL)
-#define U300_GPIO_PXPER_PULL_UP_DISABLE			(0x00000001UL)
-/* Port X Interrupt Event Register 32bit (R/W) */
-#define U300_GPIO_PXIEV					(0x14)
-#define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK		(0x000000FFUL)
-#define U300_GPIO_PXIEV_IRQ_EVENT			(0x00000001UL)
-/* Port X Interrupt Enable Register 32bit (R/W) */
-#define U300_GPIO_PXIEN					(0x18)
-#define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK		(0x000000FFUL)
-#define U300_GPIO_PXIEN_IRQ_ENABLE			(0x00000001UL)
-/* Port X Interrupt Force Register 32bit (R/W) */
-#define U300_GPIO_PXIFR					(0x1C)
-#define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK		(0x000000FFUL)
-#define U300_GPIO_PXIFR_IRQ_FORCE			(0x00000001UL)
-/* Port X Interrupt Config Register 32bit (R/W) */
-#define U300_GPIO_PXICR					(0x20)
-#define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK		(0x000000FFUL)
-#define U300_GPIO_PXICR_IRQ_CONFIG_MASK			(0x00000001UL)
-#define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE		(0x00000000UL)
-#define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE		(0x00000001UL)
-#ifdef CONFIG_MACH_U300_BS335
-/* seven ports of 8 bits each = GPIO pins 0..55 */
-#define U300_GPIO_NUM_PORTS 7
-#else
-/* five ports of 8 bits each = GPIO pins 0..39 */
-#define U300_GPIO_NUM_PORTS 5
-#endif
-#define U300_GPIO_PINS_PER_PORT 8
-#define U300_GPIO_MAX (U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1)
-#endif
-
-/*
- * Individual pin assignments for the B26/S26. Notice that the
- * actual usage of these pins depends on the PAD MUX settings, that
- * is why the same number can potentially appear several times.
- * In the reference design each pin is only used for one purpose.
- * These were determined by inspecting the B26/S26 schematic:
- * 2/1911-ROA 128 1603
- */
-#ifdef CONFIG_MACH_U300_BS2X
-#define U300_GPIO_PIN_UART_RX		0
-#define U300_GPIO_PIN_UART_TX		1
-#define U300_GPIO_PIN_GPIO02		2  /* Unrouted */
-#define U300_GPIO_PIN_GPIO03		3  /* Unrouted */
-#define U300_GPIO_PIN_CAM_SLEEP		4
-#define U300_GPIO_PIN_CAM_REG_EN	5
-#define U300_GPIO_PIN_GPIO06		6  /* Unrouted */
-#define U300_GPIO_PIN_GPIO07		7  /* Unrouted */
-
-#define U300_GPIO_PIN_GPIO08		8  /* Service point SP2321 */
-#define U300_GPIO_PIN_GPIO09		9  /* Service point SP2322 */
-#define U300_GPIO_PIN_PHFSENSE		10 /* Headphone jack sensing */
-#define U300_GPIO_PIN_MMC_CLKRET	11 /* Clock return from MMC/SD card */
-#define U300_GPIO_PIN_MMC_CD		12 /* MMC Card insertion detection */
-#define U300_GPIO_PIN_FLIPSENSE		13 /* Mechanical flip sensing */
-#define U300_GPIO_PIN_GPIO14		14 /* DSP JTAG Port RTCK */
-#define U300_GPIO_PIN_GPIO15		15 /* Unrouted */
-
-#define U300_GPIO_PIN_GPIO16		16 /* Unrouted */
-#define U300_GPIO_PIN_GPIO17		17 /* Unrouted */
-#define U300_GPIO_PIN_GPIO18		18 /* Unrouted */
-#define U300_GPIO_PIN_GPIO19		19 /* Unrouted */
-#define U300_GPIO_PIN_GPIO20		20 /* Unrouted */
-#define U300_GPIO_PIN_GPIO21		21 /* Unrouted */
-#define U300_GPIO_PIN_GPIO22		22 /* Unrouted */
-#define U300_GPIO_PIN_GPIO23		23 /* Unrouted */
-#endif
-
-/*
- * Individual pin assignments for the B330/S330 and B365/S365.
- * Notice that the actual usage of these pins depends on the
- * PAD MUX settings, that is why the same number can potentially
- * appear several times. In the reference design each pin is only
- * used for one purpose. These were determined by inspecting the
- * S365 schematic.
- */
-#if defined(CONFIG_MACH_U300_BS330) || defined(CONFIG_MACH_U300_BS365) || \
-    defined(CONFIG_MACH_U300_BS335)
-#define U300_GPIO_PIN_UART_RX		0
-#define U300_GPIO_PIN_UART_TX		1
-#define U300_GPIO_PIN_UART_CTS		2
-#define U300_GPIO_PIN_UART_RTS		3
-#define U300_GPIO_PIN_CAM_MAIN_STANDBY	4 /* Camera MAIN standby */
-#define U300_GPIO_PIN_GPIO05		5 /* Unrouted */
-#define U300_GPIO_PIN_MS_CD		6 /* Memory Stick Card insertion */
-#define U300_GPIO_PIN_GPIO07		7 /* Test point TP2430 */
-
-#define U300_GPIO_PIN_GPIO08		8 /* Test point TP2437 */
-#define U300_GPIO_PIN_GPIO09		9 /* Test point TP2431 */
-#define U300_GPIO_PIN_GPIO10		10 /* Test point TP2432 */
-#define U300_GPIO_PIN_MMC_CLKRET	11 /* Clock return from MMC/SD card */
-#define U300_GPIO_PIN_MMC_CD		12 /* MMC Card insertion detection */
-#define U300_GPIO_PIN_CAM_SUB_STANDBY	13 /* Camera SUB standby */
-#define U300_GPIO_PIN_GPIO14		14 /* Test point TP2436 */
-#define U300_GPIO_PIN_GPIO15		15 /* Unrouted */
-
-#define U300_GPIO_PIN_GPIO16		16 /* Test point TP2438 */
-#define U300_GPIO_PIN_PHFSENSE		17 /* Headphone jack sensing */
-#define U300_GPIO_PIN_GPIO18		18 /* Test point TP2439 */
-#define U300_GPIO_PIN_GPIO19		19 /* Routed somewhere */
-#define U300_GPIO_PIN_GPIO20		20 /* Unrouted */
-#define U300_GPIO_PIN_GPIO21		21 /* Unrouted */
-#define U300_GPIO_PIN_GPIO22		22 /* Unrouted */
-#define U300_GPIO_PIN_GPIO23		23 /* Unrouted */
-
-#define U300_GPIO_PIN_GPIO24		24 /* Unrouted */
-#define U300_GPIO_PIN_GPIO25		25 /* Unrouted */
-#define U300_GPIO_PIN_GPIO26		26 /* Unrouted */
-#define U300_GPIO_PIN_GPIO27		27 /* Unrouted */
-#define U300_GPIO_PIN_GPIO28		28 /* Unrouted */
-#define U300_GPIO_PIN_GPIO29		29 /* Unrouted */
-#define U300_GPIO_PIN_GPIO30		30 /* Unrouted */
-#define U300_GPIO_PIN_GPIO31		31 /* Unrouted */
-
-#define U300_GPIO_PIN_GPIO32		32 /* Unrouted */
-#define U300_GPIO_PIN_GPIO33		33 /* Unrouted */
-#define U300_GPIO_PIN_GPIO34		34 /* Unrouted */
-#define U300_GPIO_PIN_GPIO35		35 /* Unrouted */
-#define U300_GPIO_PIN_GPIO36		36 /* Unrouted */
-#define U300_GPIO_PIN_GPIO37		37 /* Unrouted */
-#define U300_GPIO_PIN_GPIO38		38 /* Unrouted */
-#define U300_GPIO_PIN_GPIO39		39 /* Unrouted */
-
-#ifdef CONFIG_MACH_U300_BS335
-
-#define U300_GPIO_PIN_GPIO40		40 /* Unrouted */
-#define U300_GPIO_PIN_GPIO41		41 /* Unrouted */
-#define U300_GPIO_PIN_GPIO42		42 /* Unrouted */
-#define U300_GPIO_PIN_GPIO43		43 /* Unrouted */
-#define U300_GPIO_PIN_GPIO44		44 /* Unrouted */
-#define U300_GPIO_PIN_GPIO45		45 /* Unrouted */
-#define U300_GPIO_PIN_GPIO46		46 /* Unrouted */
-#define U300_GPIO_PIN_GPIO47		47 /* Unrouted */
-
-#define U300_GPIO_PIN_GPIO48		48 /* Unrouted */
-#define U300_GPIO_PIN_GPIO49		49 /* Unrouted */
-#define U300_GPIO_PIN_GPIO50		50 /* Unrouted */
-#define U300_GPIO_PIN_GPIO51		51 /* Unrouted */
-#define U300_GPIO_PIN_GPIO52		52 /* Unrouted */
-#define U300_GPIO_PIN_GPIO53		53 /* Unrouted */
-#define U300_GPIO_PIN_GPIO54		54 /* Unrouted */
-#define U300_GPIO_PIN_GPIO55		55 /* Unrouted */
-#endif
-
-#endif
-
-/* translates a pin number to a port number */
-#define PIN_TO_PORT(val) (val >> 3)
-
-/* These can be found in arch/arm/mach-u300/gpio.c */
-extern int gpio_is_valid(int number);
-extern int gpio_request(unsigned gpio, const char *label);
-extern void gpio_free(unsigned gpio);
-extern int gpio_direction_input(unsigned gpio);
-extern int gpio_direction_output(unsigned gpio, int value);
-extern int gpio_register_callback(unsigned gpio,
-				  int (*func)(void *arg),
-				  void *);
-extern int gpio_unregister_callback(unsigned gpio);
-extern void enable_irq_on_gpio_pin(unsigned gpio, int edge);
-extern void disable_irq_on_gpio_pin(unsigned gpio);
-extern void gpio_pullup(unsigned gpio, int value);
-extern int gpio_get_value(unsigned gpio);
-extern void gpio_set_value(unsigned gpio, int value);
-
-#define gpio_get_value_cansleep gpio_get_value
-#define gpio_set_value_cansleep gpio_set_value
-
-/* wrappers to sleep-enable the previous two functions */
-static inline unsigned gpio_to_irq(unsigned gpio)
-{
-	return PIN_TO_PORT(gpio) + IRQ_U300_GPIO_PORT0;
-}
-
-static inline unsigned irq_to_gpio(unsigned irq)
-{
-	/*
-	 * FIXME: This is no 1-1 mapping at all, it points to the
-	 * whole block of 8 pins.
-	 */
-	return (irq - IRQ_U300_GPIO_PORT0) << 3;
-}
-
-#endif

arch/arm/mach-u300/include/mach/irqs.h

···
 
 /* DB3150 and DB3200 have only 45 IRQs */
 #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
-#define U300_NR_IRQS			45
+#define U300_VIC_IRQS_END		45
 #endif
 
 /* The DB3350-specific interrupt lines */
···
 #define IRQ_U300_GPIO_PORT4		53
 #define IRQ_U300_GPIO_PORT5		54
 #define IRQ_U300_GPIO_PORT6		55
-#define U300_NR_IRQS			56
+#define U300_VIC_IRQS_END		56
 #endif
 
 /* The DB3210-specific interrupt lines */
···
 #define IRQ_U300_NFIF			45
 #define IRQ_U300_NFIF2			46
 #define IRQ_U300_SYSCON_PLL_LOCK	47
-#define U300_NR_IRQS			48
+#define U300_VIC_IRQS_END		48
 #endif
 
-#ifdef CONFIG_AB3550_CORE
-#define IRQ_AB3550_BASE			(U300_NR_IRQS)
-#define IRQ_AB3550_END			(IRQ_AB3550_BASE + 37)
-
-#define NR_IRQS				(IRQ_AB3550_END + 1)
+/* Maximum 8*7 GPIO lines */
+#ifdef CONFIG_GPIO_U300
+#define IRQ_U300_GPIO_BASE		(U300_VIC_IRQS_END)
+#define IRQ_U300_GPIO_END		(IRQ_U300_GPIO_BASE + 56)
 #else
-#define NR_IRQS U300_NR_IRQS
+#define IRQ_U300_GPIO_END		(U300_VIC_IRQS_END)
 #endif
+
+/* Optional AB3550 mixsig chip */
+#ifdef CONFIG_AB3550_CORE
+#define IRQ_AB3550_BASE			(IRQ_U300_GPIO_END)
+#define IRQ_AB3550_END			(IRQ_AB3550_BASE + 38)
+#else
+#define IRQ_AB3550_END			(IRQ_U300_GPIO_END)
+#endif
+
+#define NR_IRQS				(IRQ_AB3550_END)
 
 #endif

arch/arm/mach-u300/mmc.c

···
 #include <linux/device.h>
 #include <linux/amba/bus.h>
 #include <linux/mmc/host.h>
-#include <linux/gpio.h>
 #include <linux/dmaengine.h>
 #include <linux/amba/mmci.h>
 #include <linux/slab.h>
 #include <mach/coh901318.h>
 #include <mach/dma_channels.h>
+#include <mach/gpio-u300.h>
 
 #include "mmc.h"
 #include "padmux.h"

arch/arm/mach-ux500/board-mop500-pins.c

···
 
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/gpio.h>
 
 #include <asm/mach-types.h>
 #include <plat/pincfg.h>
+#include <plat/gpio-nomadik.h>
 #include <mach/hardware.h>
 
 #include "pins-db8500.h"

arch/arm/mach-ux500/board-mop500-u8500uib.c

···
  * Board data for the U8500 UIB, also known as the New UIB
  * License terms: GNU General Public License (GPL), version 2
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/i2c.h>
···
 #include <linux/mfd/tc3589x.h>
 #include <linux/input/matrix_keypad.h>
 
-#include <mach/gpio.h>
 #include <mach/irqs.h>
 
 #include "board-mop500.h"

arch/arm/mach-ux500/board-mop500.c

···
 #include <plat/i2c.h>
 #include <plat/ste_dma40.h>
 #include <plat/pincfg.h>
+#include <plat/gpio-nomadik.h>
 
 #include <mach/hardware.h>
 #include <mach/setup.h>

arch/arm/mach-ux500/board-u5500-sdi.c

···
 
 #include <linux/amba/mmci.h>
 #include <linux/mmc/host.h>
-#include <linux/gpio.h>
 
 #include <plat/pincfg.h>
+#include <plat/gpio-nomadik.h>
 #include <mach/db5500-regs.h>
 #include <plat/ste_dma40.h>
 

arch/arm/mach-ux500/board-u5500.c

···
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/amba/bus.h>
-#include <linux/gpio.h>
 #include <linux/irq.h>
 #include <linux/i2c.h>
 
···
 
 #include <plat/pincfg.h>
 #include <plat/i2c.h>
+#include <plat/gpio-nomadik.h>
 
 #include <mach/hardware.h>
 #include <mach/devices.h>

arch/arm/mach-ux500/cpu-db5500.c

···
 #include <asm/mach/map.h>
 #include <asm/pmu.h>
 
-#include <plat/gpio.h>
+#include <plat/gpio-nomadik.h>
 
 #include <mach/hardware.h>
 #include <mach/devices.h>

arch/arm/mach-ux500/cpu-db8500.c

···
 #include <linux/amba/bus.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/gpio.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 
 #include <asm/mach/map.h>
 #include <asm/pmu.h>
+#include <plat/gpio-nomadik.h>
 #include <mach/hardware.h>
 #include <mach/setup.h>
 #include <mach/devices.h>

arch/arm/mach-ux500/devices-common.c

···
 #include <linux/platform_device.h>
 #include <linux/amba/bus.h>
 
-#include <plat/gpio.h>
+#include <plat/gpio-nomadik.h>
 
 #include <mach/hardware.h>
 

arch/arm/mach-ux500/include/mach/gpio.h

···
  */
 #define ARCH_NR_GPIOS	350
 
-#include <plat/gpio.h>
-
 #endif /* __ASM_ARCH_GPIO_H */

arch/arm/mach-versatile/include/mach/gpio.h

···
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
+/* empty */

arch/arm/mach-vt8500/include/mach/gpio.h

···
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
+/* empty */

arch/arm/mach-w90x900/include/mach/gpio.h

···
 
 #include <mach/hardware.h>
 #include <asm/irq.h>
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
 
 static inline int gpio_to_irq(unsigned gpio)
 {
 	return gpio;
 }
+#define gpio_to_irq gpio_to_irq
 
 static inline int irq_to_gpio(unsigned irq)
 {

arch/arm/plat-mxc/include/mach/gpio.h

···
-/*
- * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright 2008 Juergen Beisert, [e-mail]
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-
-#ifndef __ASM_ARCH_MXC_GPIO_H__
-#define __ASM_ARCH_MXC_GPIO_H__
-
-#include <linux/spinlock.h>
-#include <mach/hardware.h>
-#include <asm-generic/gpio.h>
-
-/* use gpiolib dispatchers */
-#define gpio_get_value		__gpio_get_value
-#define gpio_set_value		__gpio_set_value
-#define gpio_cansleep		__gpio_cansleep
-#define gpio_to_irq		__gpio_to_irq
-
-#endif
+/* empty */

arch/arm/plat-nomadik/include/plat/gpio.h arch/arm/plat-nomadik/include/plat/gpio-nomadik.h

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-#ifndef __ASM_PLAT_GPIO_H
-#define __ASM_PLAT_GPIO_H
 
-#include <asm-generic/gpio.h>
-
-/*
- * These currently cause a function call to happen, they may be optimized
- * if needed by adding cpu-specific defines to identify blocks
- * (see mach-pxa/include/mach/gpio.h as an example using GPLR etc)
- */
-#define gpio_get_value  __gpio_get_value
-#define gpio_set_value  __gpio_set_value
-#define gpio_cansleep   __gpio_cansleep
-#define gpio_to_irq     __gpio_to_irq
+#ifndef __PLAT_NOMADIK_GPIO
+#define __PLAT_NOMADIK_GPIO
 
 /*
  * "nmk_gpio" and "NMK_GPIO" stand for "Nomadik GPIO", leaving
···
 	bool supports_sleepmode;
 };
 
-#endif /* __ASM_PLAT_GPIO_H */
+#endif /* __PLAT_NOMADIK_GPIO */

arch/arm/plat-omap/debug-devices.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
···
 #include <mach/hardware.h>
 
 #include <plat/board.h>
-#include <mach/gpio.h>
 
 
 /* Many OMAP development platforms reuse the same "debug board"; these

arch/arm/plat-omap/debug-leds.c

···
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/leds.h>
···
 #include <asm/mach-types.h>
 
 #include <plat/fpga.h>
-#include <mach/gpio.h>
 
 
 /* Many OMAP development platforms reuse the same "debug board"; these

arch/arm/plat-omap/devices.c

···
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  */
-
+#include <linux/gpio.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
···
 #include <plat/tc.h>
 #include <plat/board.h>
 #include <plat/mmc.h>
-#include <mach/gpio.h>
 #include <plat/menelaus.h>
 #include <plat/mcbsp.h>
 #include <plat/omap44xx.h>

arch/arm/plat-omap/include/plat/gpio.h

···
 #include <linux/errno.h>
 #include <asm-generic/gpio.h>
 
-static inline int gpio_get_value(unsigned gpio)
-{
-	return __gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
-	__gpio_set_value(gpio, value);
-}
-
-static inline int gpio_cansleep(unsigned gpio)
-{
-	return __gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
-	return __gpio_to_irq(gpio);
-}
-
 static inline int irq_to_gpio(unsigned irq)
 {
 	int tmp;

arch/arm/plat-orion/include/plat/gpio.h

···
 #define __PLAT_GPIO_H
 
 #include <linux/init.h>
-#include <asm-generic/gpio.h>
-
-/*
- * GENERIC_GPIO primitives.
- */
-#define gpio_get_value  __gpio_get_value
-#define gpio_set_value  __gpio_set_value
-#define gpio_cansleep   __gpio_cansleep
-#define gpio_to_irq     __gpio_to_irq
+#include <linux/types.h>
 
 /*
  * Orion-specific GPIO API extensions.

arch/arm/plat-pxa/Makefile

···
 
 obj-y	:= dma.o
 
-obj-$(CONFIG_GENERIC_GPIO)	+= gpio.o
 obj-$(CONFIG_PXA3xx)		+= mfp.o
 obj-$(CONFIG_PXA95x)		+= mfp.o
 obj-$(CONFIG_ARCH_MMP)		+= mfp.o

arch/arm/plat-pxa/gpio.c drivers/gpio/gpio-pxa.c

···
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  */
-
+#include <linux/gpio.h>
 #include <linux/init.h>
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/syscore_ops.h>
 #include <linux/slab.h>
 
-#include <mach/gpio.h>
+#include <mach/gpio-pxa.h>
 
 int pxa_last_gpio;
 

arch/arm/plat-pxa/include/plat/gpio-pxa.h

···
+#ifndef __PLAT_PXA_GPIO_H
+#define __PLAT_PXA_GPIO_H
+
+struct irq_data;
+
+/*
+ * We handle the GPIOs by banks, each bank covers up to 32 GPIOs with
+ * one set of registers. The register offsets are organized below:
+ *
+ *           GPLR    GPDR    GPSR    GPCR    GRER    GFER    GEDR
+ * BANK 0 - 0x0000  0x000C  0x0018  0x0024  0x0030  0x003C  0x0048
+ * BANK 1 - 0x0004  0x0010  0x001C  0x0028  0x0034  0x0040  0x004C
+ * BANK 2 - 0x0008  0x0014  0x0020  0x002C  0x0038  0x0044  0x0050
+ *
+ * BANK 3 - 0x0100  0x010C  0x0118  0x0124  0x0130  0x013C  0x0148
+ * BANK 4 - 0x0104  0x0110  0x011C  0x0128  0x0134  0x0140  0x014C
+ * BANK 5 - 0x0108  0x0114  0x0120  0x012C  0x0138  0x0144  0x0150
+ *
+ * NOTE:
+ *   BANK 3 is only available on PXA27x and later processors.
+ *   BANK 4 and 5 are only available on PXA935
+ */
+
+#define GPIO_BANK(n)	(GPIO_REGS_VIRT + BANK_OFF(n))
+
+#define GPLR_OFFSET	0x00
+#define GPDR_OFFSET	0x0C
+#define GPSR_OFFSET	0x18
+#define GPCR_OFFSET	0x24
+#define GRER_OFFSET	0x30
+#define GFER_OFFSET	0x3C
+#define GEDR_OFFSET	0x48
+
+/* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).
+ * Those cases currently cause holes in the GPIO number space, the
+ * actual number of the last GPIO is recorded by 'pxa_last_gpio'.
+ */
+extern int pxa_last_gpio;
+
+typedef int (*set_wake_t)(struct irq_data *d, unsigned int on);
+
+extern void pxa_init_gpio(int mux_irq, int start, int end, set_wake_t fn);
+
+#endif /* __PLAT_PXA_GPIO_H */

arch/arm/plat-pxa/include/plat/gpio.h

···
 #ifndef __PLAT_GPIO_H
 #define __PLAT_GPIO_H
 
-struct irq_data;
+#define __ARM_GPIOLIB_COMPLEX
 
-/*
- * We handle the GPIOs by banks, each bank covers up to 32 GPIOs with
- * one set of registers. The register offsets are organized below:
- *
- *           GPLR    GPDR    GPSR    GPCR    GRER    GFER    GEDR
- * BANK 0 - 0x0000  0x000C  0x0018  0x0024  0x0030  0x003C  0x0048
- * BANK 1 - 0x0004  0x0010  0x001C  0x0028  0x0034  0x0040  0x004C
- * BANK 2 - 0x0008  0x0014  0x0020  0x002C  0x0038  0x0044  0x0050
- *
- * BANK 3 - 0x0100  0x010C  0x0118  0x0124  0x0130  0x013C  0x0148
- * BANK 4 - 0x0104  0x0110  0x011C  0x0128  0x0134  0x0140  0x014C
- * BANK 5 - 0x0108  0x0114  0x0120  0x012C  0x0138  0x0144  0x0150
- *
- * NOTE:
- *   BANK 3 is only available on PXA27x and later processors.
- *   BANK 4 and 5 are only available on PXA935
- */
-
-#define GPIO_BANK(n)	(GPIO_REGS_VIRT + BANK_OFF(n))
-
-#define GPLR_OFFSET	0x00
-#define GPDR_OFFSET	0x0C
-#define GPSR_OFFSET	0x18
-#define GPCR_OFFSET	0x24
-#define GRER_OFFSET	0x30
-#define GFER_OFFSET	0x3C
-#define GEDR_OFFSET	0x48
+/* The individual machine provides register offsets and NR_BUILTIN_GPIO */
+#include <mach/gpio-pxa.h>
 
 static inline int gpio_get_value(unsigned gpio)
 {
···
 
 #define gpio_cansleep		__gpio_cansleep
 
-/* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).
- * Those cases currently cause holes in the GPIO number space, the
- * actual number of the last GPIO is recorded by 'pxa_last_gpio'.
- */
-extern int pxa_last_gpio;
-
-typedef int (*set_wake_t)(struct irq_data *d, unsigned int on);
-
-extern void pxa_init_gpio(int mux_irq, int start, int end, set_wake_t fn);
 #endif /* __PLAT_GPIO_H */

arch/arm/plat-spear/include/plat/gpio.h

···
-/*
- * arch/arm/plat-spear/include/plat/gpio.h
- *
- * GPIO macros for SPEAr platform
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<[e-mail]>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __PLAT_GPIO_H
-#define __PLAT_GPIO_H
-
-#include <asm-generic/gpio.h>
-
-#define gpio_get_value	__gpio_get_value
-#define gpio_set_value	__gpio_set_value
-#define gpio_cansleep	__gpio_cansleep
-#define gpio_to_irq	__gpio_to_irq
-
-#endif /* __PLAT_GPIO_H */
+/* empty */

drivers/ata/pata_at91.c

···
 
 #include <mach/at91sam9_smc.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 
 #define DRV_NAME		"pata_at91"
 #define DRV_VERSION		"0.3"

drivers/gpio/Kconfig

···
 	  The Intel Tunnel Creek processor has 5 GPIOs powered by the
 	  core power rail and 9 from suspend power supply.
 
+config GPIO_U300
+	bool "ST-Ericsson U300 COH 901 335/571 GPIO"
+	depends on GPIOLIB && ARCH_U300
+	help
+	  Say yes here to support GPIO interface on ST-Ericsson U300.
+	  The names of the two IP block variants supported are
+	  COH 901 335 and COH 901 571/3. They contain 3, 5 or 7
+	  ports of 8 GPIO pins each.
+
 config GPIO_VX855
 	tristate "VIA VX855/VX875 GPIO"
 	depends on MFD_SUPPORT && PCI

drivers/gpio/Makefile

···
 obj-$(CONFIG_GPIO_BT8XX)	+= gpio-bt8xx.o
 obj-$(CONFIG_GPIO_CS5535)	+= gpio-cs5535.o
 obj-$(CONFIG_GPIO_DA9052)	+= gpio-da9052.o
+obj-$(CONFIG_ARCH_DAVINCI)	+= gpio-davinci.o
 obj-$(CONFIG_GPIO_EP93XX)	+= gpio-ep93xx.o
 obj-$(CONFIG_GPIO_EXYNOS4)	+= gpio-exynos4.o
 obj-$(CONFIG_GPIO_IT8761E)	+= gpio-it8761e.o
 obj-$(CONFIG_GPIO_JANZ_TTL)	+= gpio-janz-ttl.o
+obj-$(CONFIG_MACH_KS8695)	+= gpio-ks8695.o
 obj-$(CONFIG_GPIO_LANGWELL)	+= gpio-langwell.o
+obj-$(CONFIG_ARCH_LPC32XX)	+= gpio-lpc32xx.o
 obj-$(CONFIG_GPIO_MAX730X)	+= gpio-max730x.o
 obj-$(CONFIG_GPIO_MAX7300)	+= gpio-max7300.o
 obj-$(CONFIG_GPIO_MAX7301)	+= gpio-max7301.o
···
 obj-$(CONFIG_GPIO_PCF857X)	+= gpio-pcf857x.o
 obj-$(CONFIG_GPIO_PCH)		+= gpio-pch.o
 obj-$(CONFIG_GPIO_PL061)	+= gpio-pl061.o
+obj-$(CONFIG_PLAT_PXA)		+= gpio-pxa.o
 obj-$(CONFIG_GPIO_RDC321X)	+= gpio-rdc321x.o
 
 obj-$(CONFIG_GPIO_PLAT_SAMSUNG)	+= gpio-plat-samsung.o
 obj-$(CONFIG_GPIO_S5PC100)	+= gpio-s5pc100.o
 obj-$(CONFIG_GPIO_S5PV210)	+= gpio-s5pv210.o
-
+obj-$(CONFIG_ARCH_SA1100)	+= gpio-sa1100.o
 obj-$(CONFIG_GPIO_SCH)		+= gpio-sch.o
 obj-$(CONFIG_GPIO_STMPE)	+= gpio-stmpe.o
 obj-$(CONFIG_GPIO_SX150X)	+= gpio-sx150x.o
 obj-$(CONFIG_GPIO_TC3589X)	+= gpio-tc3589x.o
 obj-$(CONFIG_ARCH_TEGRA)	+= gpio-tegra.o
 obj-$(CONFIG_GPIO_TIMBERDALE)	+= gpio-timberdale.o
+obj-$(CONFIG_ARCH_DAVINCI_TNETV107X) += gpio-tnetv107x.o
 obj-$(CONFIG_GPIO_TPS65910)	+= gpio-tps65910.o
 obj-$(CONFIG_GPIO_TPS65912)	+= gpio-tps65912.o
 obj-$(CONFIG_GPIO_TWL4030)	+= gpio-twl4030.o

drivers/gpio/gpio-ep93xx.c

···
 #include <linux/basic_mmio_gpio.h>
 
 #include <mach/hardware.h>
+#include <mach/gpio-ep93xx.h>
+
+#define irq_to_gpio(irq)	((irq) - gpio_to_irq(0))
 
 struct ep93xx_gpio {
 	void __iomem		*mmio_base;
···
 	return 0;
 }
 
+/*
+ * Map GPIO A0..A7  (0..7)  to irq 64..71,
+ *          B0..B7  (7..15) to irq 72..79, and
+ *          F0..F7 (16..24) to irq 80..87.
+ */
+static int ep93xx_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+	int gpio = chip->base + offset;
+
+	if (gpio > EP93XX_GPIO_LINE_MAX_IRQ)
+		return -EINVAL;
+
+	return 64 + gpio;
+}
+
 static int ep93xx_gpio_add_bank(struct bgpio_chip *bgc, struct device *dev,
 	void __iomem *mmio_base, struct ep93xx_gpio_bank *bank)
 {
···
 	bgc->gc.label = bank->label;
 	bgc->gc.base = bank->base;
 
-	if (bank->has_debounce)
+	if (bank->has_debounce) {
 		bgc->gc.set_debounce = ep93xx_gpio_set_debounce;
+		bgc->gc.to_irq = ep93xx_gpio_to_irq;
+	}
 
 	return gpiochip_add(&bgc->gc);
 }

drivers/gpio/gpio-nomadik.c

···
 #include <asm/mach/irq.h>
 
 #include <plat/pincfg.h>
+#include <plat/gpio-nomadik.h>
 #include <mach/hardware.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 
 /*
  * The GPIO module in the Nomadik family of Systems-on-Chip is an

drivers/gpio/gpio-omap.c

···
 #include <mach/hardware.h>
 #include <asm/irq.h>
 #include <mach/irqs.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <asm/mach/irq.h>
 
 struct gpio_bank {

drivers/gpio/gpio-tegra.c

···
 
 #include <asm/mach/irq.h>
 
+#include <mach/gpio-tegra.h>
 #include <mach/iomap.h>
 #include <mach/suspend.h>
 
···
 	return 0;
 }
 
-
+static int tegra_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+	return TEGRA_GPIO_TO_IRQ(offset);
+}
 
 static struct gpio_chip tegra_gpio_chip = {
 	.label			= "tegra-gpio",
···
 	.get			= tegra_gpio_get,
 	.direction_output	= tegra_gpio_direction_output,
 	.set			= tegra_gpio_set,
+	.to_irq			= tegra_gpio_to_irq,
 	.base			= 0,
 	.ngpio			= TEGRA_NR_GPIOS,
 };
···
 {
 	struct resource *res;
 	struct tegra_gpio_bank *bank;
+	int gpio;
 	int i;
 	int j;
 
···
 
 	gpiochip_add(&tegra_gpio_chip);
 
-	for (i = INT_GPIO_BASE; i < (INT_GPIO_BASE + TEGRA_NR_GPIOS); i++) {
-		bank = &tegra_gpio_banks[GPIO_BANK(irq_to_gpio(i))];
+	for (gpio = 0; gpio < TEGRA_NR_GPIOS; gpio++) {
+		int irq = TEGRA_GPIO_TO_IRQ(gpio);
+		/* No validity check; all Tegra GPIOs are valid IRQs */
 
-		irq_set_lockdep_class(i, &gpio_lock_class);
-		irq_set_chip_data(i, bank);
-		irq_set_chip_and_handler(i, &tegra_gpio_irq_chip,
+		bank = &tegra_gpio_banks[GPIO_BANK(gpio)];
+
+		irq_set_lockdep_class(irq, &gpio_lock_class);
+		irq_set_chip_data(irq, bank);
+		irq_set_chip_and_handler(irq, &tegra_gpio_irq_chip,
 					 handle_simple_irq);
-		set_irq_flags(i, IRQF_VALID);
+		set_irq_flags(irq, IRQF_VALID);
 	}
 
 	for (i = 0; i < ARRAY_SIZE(tegra_gpio_banks); i++) {

drivers/gpio/gpio-u300.c

···
 /*
  * U300 GPIO module.
  *
- * Copyright (C) 2007-2009 ST-Ericsson AB
+ * Copyright (C) 2007-2011 ST-Ericsson AB
  * License terms: GNU General Public License (GPL) version 2
  * This can driver either of the two basic GPIO cores
  * available in the U300 platforms:
  * COH 901 335   - Used in DB3150 (U300 1.0) and DB3200 (U330 1.0)
  * COH 901 571/3 - Used in DB3210 (U365 2.0) and DB3350 (U335 1.0)
- * Notice that you also have inline macros in <asm-arch/gpio.h>
- * Author: Linus Walleij <[e-mail]>
+ * Author: Linus Walleij <[e-mail]>
  * Author: Jonas Aaberg <[e-mail]>
- *
  */
 #include <linux/module.h>
+#include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/errno.h>
···
 #include <linux/err.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <mach/gpio-u300.h>
 
-/* Reference to GPIO block clock */
-static struct clk *clk;
+/*
+ * Bias modes for U300 GPIOs
+ *
+ * GPIO_U300_CONFIG_BIAS_UNKNOWN: this bias mode is not known to us
+ * GPIO_U300_CONFIG_BIAS_FLOAT: no specific bias, the GPIO will float or state
+ *	is not controlled by software
+ * GPIO_U300_CONFIG_BIAS_PULL_UP: the GPIO will be pulled up (usually with high
+ *	impedance to VDD)
+ */
+#define GPIO_U300_CONFIG_BIAS_UNKNOWN	0x1000
+#define GPIO_U300_CONFIG_BIAS_FLOAT	0x1001
+#define GPIO_U300_CONFIG_BIAS_PULL_UP	0x1002
 
-/* Memory resource */
-static struct resource *memres;
-static void __iomem *virtbase;
-static struct device *gpiodev;
+/*
+ * Drive modes for U300 GPIOs (output)
+ *
+ * GPIO_U300_CONFIG_DRIVE_PUSH_PULL: the GPIO will be driven actively high and
+ *	low, this is the most typical case and is typically achieved with two
+ *	active transistors on the output
+ * GPIO_U300_CONFIG_DRIVE_OPEN_DRAIN: the GPIO will be driven with open drain
+ *	(open collector) which means it is usually wired with other output
+ *	ports which are then pulled up with an external resistor
+ * GPIO_U300_CONFIG_DRIVE_OPEN_SOURCE: the GPIO will be driven with open drain
+ *	(open emitter) which is the same as open drain mutatis mutandis but
+ *	pulled to ground
+ */
+#define GPIO_U300_CONFIG_DRIVE_PUSH_PULL	0x2000
+#define GPIO_U300_CONFIG_DRIVE_OPEN_DRAIN	0x2001
+#define GPIO_U300_CONFIG_DRIVE_OPEN_SOURCE	0x2002
+
+/*
+ * Register definitions for COH 901 335 variant
+ */
+#define U300_335_PORT_STRIDE				(0x1C)
+/* Port X Pin Data Register 32bit, this is both input and output (R/W) */
+#define U300_335_PXPDIR					(0x00)
+#define U300_335_PXPDOR					(0x00)
+/* Port X Pin Config Register 32bit (R/W) */
+#define U300_335_PXPCR					(0x04)
+/* This register layout is the same in both blocks */
+#define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK		(0x0000FFFFUL)
+#define U300_GPIO_PXPCR_PIN_MODE_MASK			(0x00000003UL)
+#define U300_GPIO_PXPCR_PIN_MODE_SHIFT			(0x00000002UL)
+#define U300_GPIO_PXPCR_PIN_MODE_INPUT			(0x00000000UL)
+#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL	(0x00000001UL)
+#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN	(0x00000002UL)
+#define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE	(0x00000003UL)
+/* Port X Interrupt Event Register 32bit (R/W) */
+#define U300_335_PXIEV					(0x08)
+/* Port X Interrupt Enable Register 32bit (R/W) */
+#define U300_335_PXIEN					(0x0C)
+/* Port X Interrupt Force Register 32bit (R/W) */
+#define U300_335_PXIFR					(0x10)
+/* Port X Interrupt Config Register 32bit (R/W) */
+#define U300_335_PXICR					(0x14)
+/* This register layout is the same in both blocks */
+#define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK		(0x000000FFUL)
+#define U300_GPIO_PXICR_IRQ_CONFIG_MASK			(0x00000001UL)
+#define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE		(0x00000000UL)
+#define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE		(0x00000001UL)
+/* Port X Pull-up Enable Register 32bit (R/W) */
+#define U300_335_PXPER					(0x18)
+/* This register layout is the same in both blocks */
+#define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK	(0x000000FFUL)
+#define U300_GPIO_PXPER_PULL_UP_DISABLE			(0x00000001UL)
+/* Control Register 32bit (R/W) */
+#define U300_335_CR					(0x54)
+#define U300_335_CR_BLOCK_CLOCK_ENABLE			(0x00000001UL)
+
+/*
+ * Register definitions for COH 901 571 / 3 variant
+ */
+#define U300_571_PORT_STRIDE				(0x30)
+/*
+ * Control Register 32bit (R/W)
+ * bit 15-9 (mask 0x0000FE00) contains the number of cores. 8*cores
+ * gives the number of GPIO pins.
+ * bit 8-2  (mask 0x000001FC) contains the core version ID.
+ */
+#define U300_571_CR					(0x00)
+#define U300_571_CR_SYNC_SEL_ENABLE			(0x00000002UL)
+#define U300_571_CR_BLOCK_CLKRQ_ENABLE			(0x00000001UL)
+/*
+ * These registers have the same layout and function as the corresponding
+ * COH 901 335 registers, just at different offset.
+ */
+#define U300_571_PXPDIR					(0x04)
+#define U300_571_PXPDOR					(0x08)
+#define U300_571_PXPCR					(0x0C)
+#define U300_571_PXPER					(0x10)
+#define U300_571_PXIEV					(0x14)
+#define U300_571_PXIEN					(0x18)
+#define U300_571_PXIFR					(0x1C)
+#define U300_571_PXICR					(0x20)
+
+/* 8 bits per port, no version has more than 7 ports */
+#define U300_GPIO_PINS_PER_PORT 8
+#define U300_GPIO_MAX (U300_GPIO_PINS_PER_PORT * 7)
+
+struct u300_gpio {
+	struct gpio_chip chip;
+	struct list_head port_list;
+	struct clk *clk;
+	struct resource *memres;
+	void __iomem *base;
+	struct device *dev;
+	int irq_base;
+	u32 stride;
+	/* Register offsets */
+	u32 pcr;
+	u32 dor;
+	u32 dir;
+	u32 per;
+	u32 icr;
+	u32 ien;
+	u32 iev;
+};
 
 struct u300_gpio_port {
-	const char *name;
+	struct list_head node;
+	struct u300_gpio *gpio;
+	char name[8];
 	int irq;
 	int number;
+	u8 toggle_edge_mode;
 };
 
+/*
+ * Macro to expand to read a specific register found in the "gpio"
+ * struct. It requires the struct u300_gpio *gpio variable to exist in
+ * its context. It calculates the port offset from the given pin
+ * offset, muliplies by the port stride and adds the register offset
+ * so it provides a pointer to the desired register.
+ */
+#define U300_PIN_REG(pin, reg) \
+	(gpio->base + (pin >> 3) * gpio->stride + gpio->reg)
 
-static struct u300_gpio_port gpio_ports[] = {
-	{
-		.name = "gpio0",
-		.number = 0,
-	},
-	{
-		.name = "gpio1",
-		.number = 1,
-	},
-	{
-		.name = "gpio2",
-		.number = 2,
-	},
-#ifdef U300_COH901571_3
-	{
-		.name = "gpio3",
-		.number = 3,
-	},
-	{
-		.name = "gpio4",
-		.number = 4,
-	},
-#ifdef CONFIG_MACH_U300_BS335
-	{
-		.name = "gpio5",
-		.number = 5,
-	},
-	{
-		.name = "gpio6",
-		.number = 6,
-	},
-#endif
-#endif
+/*
+ * Provides a bitmask for a specific gpio pin inside an 8-bit GPIO
+ * register.
+ */
+#define U300_PIN_BIT(pin) \
+	(1 << (pin & 0x07))
 
+struct u300_gpio_confdata {
+	u16 bias_mode;
+	bool output;
+	int outval;
 };
 
+/* BS335 has seven ports of 8 bits each = GPIO pins 0..55 */
+#define BS335_GPIO_NUM_PORTS 7
+/* BS365 has five ports of 8 bits each = GPIO pins 0..39 */
+#define BS365_GPIO_NUM_PORTS 5
 
-#ifdef U300_COH901571_3
+#define U300_FLOATING_INPUT { \
+	.bias_mode = GPIO_U300_CONFIG_BIAS_FLOAT, \
+	.output = false, \
+}
 
-/* Default input value */
-#define DEFAULT_OUTPUT_LOW   0
-#define DEFAULT_OUTPUT_HIGH  1
+#define U300_PULL_UP_INPUT { \
+	.bias_mode = GPIO_U300_CONFIG_BIAS_PULL_UP, \
+	.output = false, \
+}
 
-/* GPIO Pull-Up status */
-#define DISABLE_PULL_UP  0
-#define ENABLE_PULL_UP  1
+#define U300_OUTPUT_LOW { \
+	.output = true, \
+	.outval = 0, \
+}
 
-#define GPIO_NOT_USED 0
-#define GPIO_IN       1
-#define GPIO_OUT      2
+#define U300_OUTPUT_HIGH { \
+	.output = true, \
+	.outval = 1, \
+}
 
-struct u300_gpio_configuration_data {
-	unsigned char pin_usage;
-	unsigned char default_output_value;
-	unsigned char pull_up;
-};
 
 /* Initial configuration */
-const struct u300_gpio_configuration_data
-u300_gpio_config[U300_GPIO_NUM_PORTS][U300_GPIO_PINS_PER_PORT] = {
-#ifdef CONFIG_MACH_U300_BS335
+static const struct __initdata u300_gpio_confdata
+bs335_gpio_config[BS335_GPIO_NUM_PORTS][U300_GPIO_PINS_PER_PORT] = {
 	/* Port 0, pins 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_HIGH,  DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+		U300_FLOATING_INPUT,
+		U300_OUTPUT_HIGH,
+		U300_FLOATING_INPUT,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
 	},
 	/* Port 1, pins 0-7 */
 	{
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_HIGH,  DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_PULL_UP_INPUT,
+		U300_FLOATING_INPUT,
+		U300_OUTPUT_HIGH,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
 	},
 	/* Port 2, pins 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP}
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_OUTPUT_LOW,
+		U300_PULL_UP_INPUT,
+		U300_OUTPUT_LOW,
+		U300_PULL_UP_INPUT,
 	},
 	/* Port 3, pins 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+		U300_PULL_UP_INPUT,
+		U300_OUTPUT_LOW,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
 	},
 	/* Port 4, pins 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
 	},
 	/* Port 5, pins 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
 	},
 	/* Port 6, pind 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
 	}
-#endif
+};
 
-#ifdef CONFIG_MACH_U300_BS365
+static const struct __initdata u300_gpio_confdata
+bs365_gpio_config[BS365_GPIO_NUM_PORTS][U300_GPIO_PINS_PER_PORT] = {
 	/* Port 0, pins 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+		U300_FLOATING_INPUT,
+		U300_OUTPUT_LOW,
+		U300_FLOATING_INPUT,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_PULL_UP_INPUT,
+		U300_FLOATING_INPUT,
 	},
 	/* Port 1, pins 0-7 */
 	{
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_HIGH,  DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP}
+		U300_OUTPUT_LOW,
+		U300_FLOATING_INPUT,
+		U300_OUTPUT_LOW,
+		U300_FLOATING_INPUT,
+		U300_FLOATING_INPUT,
+		U300_OUTPUT_HIGH,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
 	},
 	/* Port 2, pins 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,   DISABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP}
+		U300_FLOATING_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
 	},
 	/* Port 3, pins 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP}
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
 	},
 	/* Port 4, pins 0-7 */
 	{
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_IN,  DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
+		U300_PULL_UP_INPUT,
 		/* These 4 pins doesn't exist on DB3210 */
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP},
-		{GPIO_OUT, DEFAULT_OUTPUT_LOW,    ENABLE_PULL_UP}
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
+		U300_OUTPUT_LOW,
 	}
-#endif
-};
-#endif
-
-
-/* No users == we can power down GPIO */
-static int gpio_users;
-
-struct gpio_struct {
-	int (*callback)(void *);
-	void *data;
-	int users;
 };
 
-static struct gpio_struct gpio_pin[U300_GPIO_MAX];
-
-/*
- * Let drivers register callback in order to get notified when there is
- * an interrupt on the gpio pin
+/**
+ * to_u300_gpio() - get the pointer to u300_gpio
+ * @chip: the gpio chip member of the structure u300_gpio
  */
-int gpio_register_callback(unsigned gpio, int (*func)(void *arg), void *data)
+static inline struct u300_gpio *to_u300_gpio(struct gpio_chip *chip)
 {
-	if (gpio_pin[gpio].callback)
-		dev_warn(gpiodev, "%s: WARNING: callback already "
-			 "registered for gpio pin#%d\n", __func__, gpio);
-	gpio_pin[gpio].callback = func;
-	gpio_pin[gpio].data = data;
-
-	return 0;
+	return container_of(chip, struct u300_gpio, chip);
 }
-EXPORT_SYMBOL(gpio_register_callback);
 
-int gpio_unregister_callback(unsigned gpio)
+static int u300_gpio_get(struct gpio_chip *chip, unsigned offset)
 {
-	if (!gpio_pin[gpio].callback)
-		dev_warn(gpiodev, "%s: WARNING: callback already "
-			 "unregistered for gpio pin#%d\n", __func__, gpio);
-	gpio_pin[gpio].callback = NULL;
-	gpio_pin[gpio].data = NULL;
+	struct u300_gpio *gpio = to_u300_gpio(chip);
 
-	return 0;
+	return readl(U300_PIN_REG(offset, dir)) & U300_PIN_BIT(offset);
 }
-EXPORT_SYMBOL(gpio_unregister_callback);
 
-/* Non-zero means valid */
-int gpio_is_valid(int number)
+static void u300_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 {
-	if (number >= 0 &&
-	    number < (U300_GPIO_NUM_PORTS * U300_GPIO_PINS_PER_PORT))
-		return 1;
-	return 0;
-}
-EXPORT_SYMBOL(gpio_is_valid);
+	struct u300_gpio *gpio = to_u300_gpio(chip);
+	unsigned long flags;
+	u32 val;
 
-int gpio_request(unsigned gpio, const char *label)
-{
-	if (gpio_pin[gpio].users)
-		return -EINVAL;
+	local_irq_save(flags);
+
+	val = readl(U300_PIN_REG(offset, dor));
+	if (value)
+		writel(val | U300_PIN_BIT(offset), U300_PIN_REG(offset, dor));
 	else
-		gpio_pin[gpio].users++;
+		writel(val & ~U300_PIN_BIT(offset), U300_PIN_REG(offset, dor));
 
-	gpio_users++;
-
-	return 0;
-}
-EXPORT_SYMBOL(gpio_request);
-
-void gpio_free(unsigned gpio)
-{
-	gpio_users--;
-	gpio_pin[gpio].users--;
-	if (unlikely(gpio_pin[gpio].users < 0)) {
-		dev_warn(gpiodev, "warning: gpio#%d release mismatch\n",
-			 gpio);
-		gpio_pin[gpio].users = 0;
-	}
-
-	return;
-}
-EXPORT_SYMBOL(gpio_free);
-
-/* This returns zero or nonzero */
-int gpio_get_value(unsigned gpio)
-{
-	return readl(virtbase + U300_GPIO_PXPDIR +
-	  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING) & (1 << (gpio & 0x07));
-}
-EXPORT_SYMBOL(gpio_get_value);
-
-/*
- * We hope that the compiler will optimize away the unused branch
- * in case "value" is a constant
- */
-void gpio_set_value(unsigned gpio, int value)
-{
-	u32 val;
-	unsigned long flags;
-
-	local_irq_save(flags);
-	if (value) {
-		/* set */
-		val = readl(virtbase + U300_GPIO_PXPDOR +
-		  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING)
-		  & (1 << (gpio & 0x07));
-		writel(val | (1 << (gpio & 0x07)), virtbase +
-		  U300_GPIO_PXPDOR +
-		  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
-	} else {
-		/* clear */
-		val = readl(virtbase + U300_GPIO_PXPDOR +
-		  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING)
-		  & (1 << (gpio & 0x07));
-		writel(val & ~(1 << (gpio & 0x07)), virtbase +
-		  U300_GPIO_PXPDOR +
-		  PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
-	}
 	local_irq_restore(flags);
 }
-EXPORT_SYMBOL(gpio_set_value);
 
-int gpio_direction_input(unsigned gpio)
+static int u300_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
 {
+	struct u300_gpio *gpio = to_u300_gpio(chip);
 	unsigned long flags;
 	u32 val;
 
-	if (gpio > U300_GPIO_MAX)
-		return -EINVAL;
-
 	local_irq_save(flags);
-	val = readl(virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
-	/* Mask out this pin*/
-	val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((gpio & 0x07) << 1));
-	/* This is not needed since it sets the bits to zero.*/
-	/* val |= (U300_GPIO_PXPCR_PIN_MODE_INPUT << (gpio*2)); */
-	writel(val, virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
+	val = readl(U300_PIN_REG(offset, pcr));
+	/* Mask out this pin, note 2 bits per setting */
+	val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((offset & 0x07) << 1));
+	writel(val, U300_PIN_REG(offset, pcr));
 	local_irq_restore(flags);
 	return 0;
 }
-EXPORT_SYMBOL(gpio_direction_input);
 
-int gpio_direction_output(unsigned gpio, int value)
+static int u300_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
+				      int value)
 {
+	struct u300_gpio *gpio = to_u300_gpio(chip);
 	unsigned long flags;
+	u32 oldmode;
 	u32 val;
 
-	if (gpio > U300_GPIO_MAX)
-		return -EINVAL;
-
 	local_irq_save(flags);
-	val = readl(virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
-	/* Mask out this pin */
-	val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << ((gpio & 0x07) << 1));
+	val = readl(U300_PIN_REG(offset, pcr));
 	/*
-	 * FIXME: configure for push/pull, open drain or open source per pin
-	 * in setup. The current driver will only support push/pull.
+	 * Drive mode must be set by the special mode set function, set
+	 * push/pull mode by default if no mode has been selected.
 	 */
-	val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL
-			<< ((gpio & 0x07) << 1));
-	writel(val, virtbase + U300_GPIO_PXPCR + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
-	gpio_set_value(gpio, value);
+	oldmode = val & (U300_GPIO_PXPCR_PIN_MODE_MASK <<
+			 ((offset & 0x07) << 1));
+	/* mode = 0 means input, else some mode is already set */
+	if (oldmode == 0) {
+		val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK <<
+			 ((offset & 0x07) << 1));
+		val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL
+			<< ((offset & 0x07) << 1));
+		writel(val, U300_PIN_REG(offset, pcr));
+	}
+	u300_gpio_set(chip, offset, value);
 	local_irq_restore(flags);
 	return 0;
 }
-EXPORT_SYMBOL(gpio_direction_output);
 
-/*
- * Enable an IRQ, edge is rising edge (!= 0) or falling edge (==0).
- */
-void enable_irq_on_gpio_pin(unsigned gpio, int edge)
+static int u300_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
 {
-	u32 val;
-	unsigned long flags;
-	local_irq_save(flags);
+	struct u300_gpio *gpio = to_u300_gpio(chip);
+	int retirq = gpio->irq_base + offset;
 
-	val = readl(virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
-	val |= (1 << (gpio & 0x07));
-	writel(val, virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
-	val = readl(virtbase + U300_GPIO_PXICR + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
-	if (edge)
-		val |= (1 << (gpio & 0x07));
-	else
-		val &= ~(1 << (gpio & 0x07));
-	writel(val, virtbase + U300_GPIO_PXICR + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
-	local_irq_restore(flags);
+	dev_dbg(gpio->dev, "request IRQ for GPIO %d, return %d\n", offset,
+		retirq);
+	return retirq;
 }
-EXPORT_SYMBOL(enable_irq_on_gpio_pin);
 
-void disable_irq_on_gpio_pin(unsigned gpio)
+static int u300_gpio_config(struct gpio_chip *chip, unsigned offset,
+		     u16 param, unsigned long *data)
 {
-	u32 val;
+	struct u300_gpio *gpio = to_u300_gpio(chip);
 	unsigned long flags;
+	u32 val;
 
 	local_irq_save(flags);
-	val = readl(virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
-	val &= ~(1 << (gpio & 0x07));
-	writel(val, virtbase + U300_GPIO_PXIEN + PIN_TO_PORT(gpio) *
-				U300_GPIO_PORTX_SPACING);
-	local_irq_restore(flags);
-}
-EXPORT_SYMBOL(disable_irq_on_gpio_pin);
-
-/* Enable (value == 0) or disable (value == 1) internal pullup */
-void gpio_pullup(unsigned gpio, int value)
-{
-	u32 val;
-	unsigned long flags;
-
-	local_irq_save(flags);
-	if (value) {
-		val = readl(virtbase + U300_GPIO_PXPER + PIN_TO_PORT(gpio) *
-					U300_GPIO_PORTX_SPACING);
-		writel(val | (1 << (gpio & 0x07)), virtbase + U300_GPIO_PXPER +
-				PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
-	} else {
-		val = readl(virtbase + U300_GPIO_PXPER + PIN_TO_PORT(gpio) *
-					U300_GPIO_PORTX_SPACING);
-		writel(val & ~(1 << (gpio & 0x07)), virtbase + U300_GPIO_PXPER +
-				PIN_TO_PORT(gpio) * U300_GPIO_PORTX_SPACING);
-	}
-	local_irq_restore(flags);
-}
-EXPORT_SYMBOL(gpio_pullup);
-
-static irqreturn_t gpio_irq_handler(int irq, void *dev_id)
-{
-	struct u300_gpio_port *port = dev_id;
-	u32 val;
-	int pin;
-
-	/* Read event register */
-	val = readl(virtbase + U300_GPIO_PXIEV + port->number *
-				U300_GPIO_PORTX_SPACING);
-	/* Mask with enable register */
-	val &= readl(virtbase + U300_GPIO_PXIEV + port->number *
-				U300_GPIO_PORTX_SPACING);
-	/* Mask relevant bits */
-	val &= U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK;
-	/* ACK IRQ (clear event) */
-	writel(val, virtbase + U300_GPIO_PXIEV + port->number *
-				U300_GPIO_PORTX_SPACING);
-	/* Print message */
-	while (val != 0) {
-		unsigned gpio;
-
-		pin = __ffs(val);
-		/* mask off this pin */
-		val &= ~(1 << pin);
-		gpio = (port->number << 3) + pin;
-
-		if (gpio_pin[gpio].callback)
-			(void)gpio_pin[gpio].callback(gpio_pin[gpio].data);
-		else
-			dev_dbg(gpiodev, "stray GPIO IRQ on line %d\n",
-			       gpio);
-	}
-	return IRQ_HANDLED;
-}
-
-static void gpio_set_initial_values(void)
-{
-#ifdef U300_COH901571_3
-	int i, j;
-	unsigned long flags;
-	u32 val;
-
-	/* Write default values to all pins */
-	for (i = 0; i < U300_GPIO_NUM_PORTS; i++) {
-		val = 0;
-		for (j = 0; j < 8; j++)
-			val |= (u32) (u300_gpio_config[i][j].default_output_value != DEFAULT_OUTPUT_LOW) << j;
-		local_irq_save(flags);
-		writel(val, virtbase + U300_GPIO_PXPDOR + i * U300_GPIO_PORTX_SPACING);
+	switch (param) {
+	case GPIO_U300_CONFIG_BIAS_UNKNOWN:
+	case GPIO_U300_CONFIG_BIAS_FLOAT:
+		val = readl(U300_PIN_REG(offset, per));
+		writel(val | U300_PIN_BIT(offset), U300_PIN_REG(offset, per));
+		break;
+	case GPIO_U300_CONFIG_BIAS_PULL_UP:
+		val = readl(U300_PIN_REG(offset, per));
+		writel(val & ~U300_PIN_BIT(offset), U300_PIN_REG(offset, per));
+		break;
+	case GPIO_U300_CONFIG_DRIVE_PUSH_PULL:
+		val = readl(U300_PIN_REG(offset, pcr));
+		val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK
+			 << ((offset & 0x07) << 1));
+		val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL
+			<< ((offset & 0x07) << 1));
+		writel(val, U300_PIN_REG(offset, pcr));
+		break;
+	case GPIO_U300_CONFIG_DRIVE_OPEN_DRAIN:
+		val = readl(U300_PIN_REG(offset, pcr));
+		val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK
+			 << ((offset & 0x07) << 1));
+		val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN
+			<< ((offset & 0x07) << 1));
+		writel(val, U300_PIN_REG(offset, pcr));
+		break;
+	case GPIO_U300_CONFIG_DRIVE_OPEN_SOURCE:
+		val = readl(U300_PIN_REG(offset, pcr));
+		val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK
+			 << ((offset & 0x07) << 1));
+		val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE
+			<< ((offset & 0x07) << 1));
+		writel(val, U300_PIN_REG(offset, pcr));
+		break;
+	default:
 		local_irq_restore(flags);
+		dev_err(gpio->dev, "illegal configuration requested\n");
+		return -EINVAL;
+	}
+	local_irq_restore(flags);
+	return 0;
+}
+
+static struct gpio_chip u300_gpio_chip = {
+	.label			= "u300-gpio-chip",
+	.owner			= THIS_MODULE,
+	.get			= u300_gpio_get,
+	.set			= u300_gpio_set,
+	.direction_input	= u300_gpio_direction_input,
+	.direction_output	= u300_gpio_direction_output,
+	.to_irq			= u300_gpio_to_irq,
+};
+
+static void u300_toggle_trigger(struct u300_gpio *gpio, unsigned offset)
+{
+	u32 val;
+
+	val = readl(U300_PIN_REG(offset, icr));
+	/* Set mode depending on state */
+	if (u300_gpio_get(&gpio->chip, offset)) {
+		/* High now, let's trigger on falling edge next then */
+		writel(val & ~U300_PIN_BIT(offset), U300_PIN_REG(offset, icr));
+		dev_dbg(gpio->dev, "next IRQ on falling edge on pin %d\n",
+			offset);
+	} else {
+		/* Low now, let's trigger on rising edge next then */
+		writel(val | U300_PIN_BIT(offset), U300_PIN_REG(offset, icr));
+		dev_dbg(gpio->dev, "next IRQ on rising edge on pin %d\n",
+			offset);
+	}
+}
+
+static int u300_gpio_irq_type(struct irq_data *d, unsigned trigger)
+{
+	struct u300_gpio_port *port = irq_data_get_irq_chip_data(d);
+	struct u300_gpio *gpio = port->gpio;
+	int offset = d->irq - gpio->irq_base;
+	u32 val;
+
+	if ((trigger & IRQF_TRIGGER_RISING) &&
+	    (trigger & IRQF_TRIGGER_FALLING)) {
+		/*
+		 * The GPIO block can only trigger on falling OR rising edges,
+		 * not both. So we need to toggle the mode whenever the pin
+		 * goes from one state to the other with a special state flag
+		 */
+		dev_dbg(gpio->dev,
+			"trigger on both rising and falling edge on pin %d\n",
+			offset);
+		port->toggle_edge_mode |= U300_PIN_BIT(offset);
+		u300_toggle_trigger(gpio, offset);
+	} else if (trigger & IRQF_TRIGGER_RISING) {
+		dev_dbg(gpio->dev, "trigger on rising edge on pin %d\n",
+			offset);
+		val = readl(U300_PIN_REG(offset, icr));
+		writel(val | U300_PIN_BIT(offset), U300_PIN_REG(offset, icr));
+		port->toggle_edge_mode &= ~U300_PIN_BIT(offset);
+	} else if (trigger & IRQF_TRIGGER_FALLING) {
+		dev_dbg(gpio->dev, "trigger on falling edge on pin %d\n",
+			offset);
+		val = readl(U300_PIN_REG(offset, icr));
+		writel(val & ~U300_PIN_BIT(offset), U300_PIN_REG(offset, icr));
+		port->toggle_edge_mode &= ~U300_PIN_BIT(offset);
 	}
 
-	/*
-	 * Put all pins that are set to either 'GPIO_OUT' or 'GPIO_NOT_USED'
-	 * to output and 'GPIO_IN' to input for each port. And initialize
-	 * default value on outputs.
-	 */
-	for (i = 0; i < U300_GPIO_NUM_PORTS; i++) {
-		for (j = 0; j < U300_GPIO_PINS_PER_PORT; j++) {
-			local_irq_save(flags);
-			val = readl(virtbase + U300_GPIO_PXPCR +
-					 i * U300_GPIO_PORTX_SPACING);
-			/* Mask out this pin */
-			val &= ~(U300_GPIO_PXPCR_PIN_MODE_MASK << (j << 1));
+	return 0;
+}
 
-			if (u300_gpio_config[i][j].pin_usage != GPIO_IN)
-				val |= (U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL << (j << 1));
-			writel(val, virtbase + U300_GPIO_PXPCR +
-					 i * U300_GPIO_PORTX_SPACING);
-			local_irq_restore(flags);
+static void u300_gpio_irq_enable(struct irq_data *d)
+{
+	struct u300_gpio_port *port = irq_data_get_irq_chip_data(d);
+	struct u300_gpio *gpio = port->gpio;
+	int offset = d->irq - gpio->irq_base;
+	u32 val;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	val = readl(U300_PIN_REG(offset, ien));
+	writel(val | U300_PIN_BIT(offset), U300_PIN_REG(offset, ien));
+	local_irq_restore(flags);
+}
+
+static void u300_gpio_irq_disable(struct irq_data *d)
+{
+	struct u300_gpio_port *port = irq_data_get_irq_chip_data(d);
+	struct u300_gpio *gpio = port->gpio;
+	int offset = d->irq - gpio->irq_base;
+	u32 val;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	val = readl(U300_PIN_REG(offset, ien));
+	writel(val & ~U300_PIN_BIT(offset), U300_PIN_REG(offset, ien));
+	local_irq_restore(flags);
+}
+
+static struct irq_chip u300_gpio_irqchip = {
+	.name			= "u300-gpio-irqchip",
+	.irq_enable		= u300_gpio_irq_enable,
+	.irq_disable		= u300_gpio_irq_disable,
+	.irq_set_type		= u300_gpio_irq_type,
+
+};
+
+static void u300_gpio_irq_handler(unsigned irq, struct irq_desc *desc)
+{
+	struct u300_gpio_port *port = irq_get_handler_data(irq);
+	struct u300_gpio *gpio = port->gpio;
+	int pinoffset = port->number << 3; /* get the right stride */
+	unsigned long val;
+
+	desc->irq_data.chip->irq_ack(&desc->irq_data);
+	/* Read event register */
+	val = readl(U300_PIN_REG(pinoffset, iev));
+	/* Mask relevant bits */
+	val &= 0xFFU; /* 8 bits per port */
+	/* ACK IRQ (clear event) */
+	writel(val, U300_PIN_REG(pinoffset, iev));
+
+	/* Call IRQ handler */
+	if (val != 0) {
+		int irqoffset;
+
+		for_each_set_bit(irqoffset, &val, U300_GPIO_PINS_PER_PORT) {
+			int pin_irq = gpio->irq_base + (port->number << 3)
+				+ irqoffset;
+			int offset = pinoffset + irqoffset;
+
+			dev_dbg(gpio->dev, "GPIO IRQ %d on pin %d\n",
+				pin_irq, offset);
+			generic_handle_irq(pin_irq);
+			/*
+			 * Triggering IRQ on both rising and falling edge
+			 * needs mockery
+			 */
+			if (port->toggle_edge_mode & U300_PIN_BIT(offset))
+				u300_toggle_trigger(gpio, offset);
 		}
 	}
 
-	/* Enable or disable the internal pull-ups in the GPIO ASIC block */
-	for (i = 0; i < U300_GPIO_MAX; i++) {
-		val = 0;
-		for (j = 0; j < 8; j++)
-			val |= (u32)((u300_gpio_config[i][j].pull_up == DISABLE_PULL_UP) << j);
-		local_irq_save(flags);
-		writel(val, virtbase + U300_GPIO_PXPER + i * U300_GPIO_PORTX_SPACING);
-		local_irq_restore(flags);
-	}
-#endif
+	desc->irq_data.chip->irq_unmask(&desc->irq_data);
 }
 
-static int __init gpio_probe(struct platform_device *pdev)
+static void __init u300_gpio_init_pin(struct u300_gpio *gpio,
+				      int offset,
+				      const struct u300_gpio_confdata *conf)
 {
-	u32 val;
-	int err = 0;
-	int i;
-	int num_irqs;
+	/* Set mode: input or output */
+	if (conf->output) {
+		u300_gpio_direction_output(&gpio->chip, offset, conf->outval);
 
-	gpiodev = &pdev->dev;
-	memset(gpio_pin, 0, sizeof(gpio_pin));
+		/* Deactivate bias mode for output */
+		u300_gpio_config(&gpio->chip, offset,
+				 GPIO_U300_CONFIG_BIAS_FLOAT,
+				 NULL);
+
+		/* Set drive mode for output */
+		u300_gpio_config(&gpio->chip, offset,
+				 GPIO_U300_CONFIG_DRIVE_PUSH_PULL, NULL);
+
+		dev_dbg(gpio->dev, "set up pin %d as output, value: %d\n",
+			offset, conf->outval);
+	} else {
+		u300_gpio_direction_input(&gpio->chip, offset);
+
+		/* Always set output low on input pins */
+		u300_gpio_set(&gpio->chip, offset, 0);
+
+		/* Set bias mode for input */
+		u300_gpio_config(&gpio->chip, offset, conf->bias_mode, NULL);
+
+		dev_dbg(gpio->dev, "set up pin %d as input, bias: %04x\n",
+			offset, conf->bias_mode);
+	}
+}
+
+static void __init u300_gpio_init_coh901571(struct u300_gpio *gpio,
+				     struct u300_gpio_platform *plat)
+{
+	int i, j;
+
+	/* Write default config and values to all pins */
+	for (i = 0; i < plat->ports; i++) {
+		for (j = 0; j < 8; j++) {
+			const struct u300_gpio_confdata *conf;
+			int offset = (i*8) + j;
+
+			if (plat->variant == U300_GPIO_COH901571_3_BS335)
+				conf = &bs335_gpio_config[i][j];
+			else if (plat->variant == U300_GPIO_COH901571_3_BS365)
+				conf = &bs365_gpio_config[i][j];
+			else
+				break;
+
+			u300_gpio_init_pin(gpio, offset, conf);
+		}
+	}
+}
+
+static inline void u300_gpio_free_ports(struct u300_gpio *gpio)
+{
+	struct u300_gpio_port *port;
+	struct list_head *p, *n;
+
+	list_for_each_safe(p, n, &gpio->port_list) {
+		port = list_entry(p, struct u300_gpio_port, node);
+		list_del(&port->node);
+		free_irq(port->irq, port);
+		kfree(port);
+	}
+}
+
+static int __init u300_gpio_probe(struct platform_device *pdev)
+{
+	struct u300_gpio_platform *plat = dev_get_platdata(&pdev->dev);
+	struct u300_gpio *gpio;
+	int err = 0;
+	int portno;
+	u32 val;
+	u32 ifr;
+	int i;
+
+	gpio = kzalloc(sizeof(struct u300_gpio), GFP_KERNEL);
+	if (gpio == NULL) {
+		dev_err(&pdev->dev, "failed to allocate memory\n");
+		return -ENOMEM;
+	}
+
+	gpio->chip = u300_gpio_chip;
+	gpio->chip.ngpio = plat->ports * U300_GPIO_PINS_PER_PORT;
+	gpio->irq_base = plat->gpio_irq_base;
+	gpio->chip.dev = &pdev->dev;
+	gpio->chip.base = plat->gpio_base;
+	gpio->dev = &pdev->dev;
 
 	/* Get GPIO clock */
-	clk = clk_get(&pdev->dev, NULL);
-	if (IS_ERR(clk)) {
-		err = PTR_ERR(clk);
-		dev_err(gpiodev, "could not get GPIO clock\n");
+	gpio->clk = clk_get(gpio->dev, NULL);
+	if (IS_ERR(gpio->clk)) {
+		err = PTR_ERR(gpio->clk);
+		dev_err(gpio->dev, "could not get GPIO clock\n");
 		goto err_no_clk;
 	}
-	err = clk_enable(clk);
+	err = clk_enable(gpio->clk);
 	if (err) {
-		dev_err(gpiodev, "could not enable GPIO clock\n");
+		dev_err(gpio->dev, "could not enable GPIO clock\n");
 		goto err_no_clk_enable;
 	}
 
-	memres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!memres)
+	gpio->memres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!gpio->memres) {
+		dev_err(gpio->dev, "could not get GPIO memory resource\n");
+		err = -ENODEV;
 		goto err_no_resource;
+	}
 
-	if (!request_mem_region(memres->start, resource_size(memres),
+	if (!request_mem_region(gpio->memres->start,
+				resource_size(gpio->memres),
 				"GPIO Controller")) {
 		err = -ENODEV;
 		goto err_no_ioregion;
 	}
 
-	virtbase = ioremap(memres->start, resource_size(memres));
-	if (!virtbase) {
+	gpio->base = ioremap(gpio->memres->start, resource_size(gpio->memres));
+	if (!gpio->base) {
 		err = -ENOMEM;
 		goto err_no_ioremap;
 	}
-	dev_info(gpiodev, "remapped 0x%08x to %p\n",
-		 memres->start, virtbase);
 
-#ifdef U300_COH901335
-	dev_info(gpiodev, "initializing GPIO Controller COH 901 335\n");
-	/* Turn on the GPIO block */
-	writel(U300_GPIO_CR_BLOCK_CLOCK_ENABLE, virtbase + U300_GPIO_CR);
-#endif
+	if (plat->variant == U300_GPIO_COH901335) {
+		dev_info(gpio->dev,
+			 "initializing GPIO Controller COH 901 335\n");
+		gpio->stride = U300_335_PORT_STRIDE;
+		gpio->pcr = U300_335_PXPCR;
+		gpio->dor = U300_335_PXPDOR;
+		gpio->dir = U300_335_PXPDIR;
+		gpio->per = U300_335_PXPER;
+		gpio->icr = U300_335_PXICR;
+		gpio->ien = U300_335_PXIEN;
+		gpio->iev = U300_335_PXIEV;
+		ifr = U300_335_PXIFR;
 
-#ifdef U300_COH901571_3
-	dev_info(gpiodev, "initializing GPIO Controller COH 901 571/3\n");
-	val = readl(virtbase + U300_GPIO_CR);
-	dev_info(gpiodev, "COH901571/3 block version: %d, " \
-	       "number of cores: %d\n",
-	       ((val & 0x0000FE00) >> 9),
-	       ((val & 0x000001FC) >> 2));
-	writel(U300_GPIO_CR_BLOCK_CLKRQ_ENABLE, virtbase + U300_GPIO_CR);
-#endif
+		/* Turn on the GPIO block */
+		writel(U300_335_CR_BLOCK_CLOCK_ENABLE,
+		       gpio->base + U300_335_CR);
+	} else if (plat->variant == U300_GPIO_COH901571_3_BS335 ||
+		   plat->variant == U300_GPIO_COH901571_3_BS365) {
+		dev_info(gpio->dev,
+			 "initializing GPIO Controller COH 901 571/3\n");
+		gpio->stride = U300_571_PORT_STRIDE;
+		gpio->pcr = U300_571_PXPCR;
+		gpio->dor = U300_571_PXPDOR;
+		gpio->dir = U300_571_PXPDIR;
+		gpio->per = U300_571_PXPER;
+		gpio->icr = U300_571_PXICR;
+		gpio->ien = U300_571_PXIEN;
+		gpio->iev = U300_571_PXIEV;
+		ifr = U300_571_PXIFR;
 
-	gpio_set_initial_values();
-
-	for (num_irqs = 0 ; num_irqs < U300_GPIO_NUM_PORTS; num_irqs++) {
-
-		gpio_ports[num_irqs].irq =
-			platform_get_irq_byname(pdev,
-						gpio_ports[num_irqs].name);
-
-		err = request_irq(gpio_ports[num_irqs].irq,
-				  gpio_irq_handler, IRQF_DISABLED,
-				  gpio_ports[num_irqs].name,
-				  &gpio_ports[num_irqs]);
-		if (err) {
-			dev_err(gpiodev, "cannot allocate IRQ for %s!\n",
-				gpio_ports[num_irqs].name);
-			goto err_no_irq;
-		}
-		/* Turns off PortX_irq_force */
-		writel(0x0, virtbase + U300_GPIO_PXIFR +
-				 num_irqs * U300_GPIO_PORTX_SPACING);
+		val = readl(gpio->base + U300_571_CR);
+		dev_info(gpio->dev, "COH901571/3 block version: %d, " \
+			 "number of cores: %d totalling %d pins\n",
+			 ((val & 0x000001FC) >> 2),
+			 ((val & 0x0000FE00) >> 9),
+			 ((val & 0x0000FE00) >> 9) * 8);
+		writel(U300_571_CR_BLOCK_CLKRQ_ENABLE,
+		       gpio->base + U300_571_CR);
+		u300_gpio_init_coh901571(gpio, plat);
+	} else {
+		dev_err(gpio->dev, "unknown block variant\n");
+		err = -ENODEV;
+		goto err_unknown_variant;
 	}
+
+	/* Add each port with its IRQ separately */
+	INIT_LIST_HEAD(&gpio->port_list);
+	for (portno = 0 ; portno < plat->ports; portno++) {
+		struct u300_gpio_port *port =
+			kmalloc(sizeof(struct u300_gpio_port), GFP_KERNEL);
+
+		if (!port) {
+			dev_err(gpio->dev, "out of memory\n");
+			err = -ENOMEM;
+			goto err_no_port;
+		}
+
+		snprintf(port->name, 8, "gpio%d", portno);
+		port->number = portno;
+		port->gpio = gpio;
+
+		port->irq = platform_get_irq_byname(pdev,
+						    port->name);
+
+		dev_dbg(gpio->dev, "register IRQ %d for %s\n", port->irq,
+			port->name);
+
+		irq_set_chained_handler(port->irq, u300_gpio_irq_handler);
+		irq_set_handler_data(port->irq, port);
+
+		/* For each GPIO pin set the unique IRQ handler */
+		for (i = 0; i < U300_GPIO_PINS_PER_PORT; i++) {
+			int irqno = gpio->irq_base + (portno << 3) + i;
+
+			dev_dbg(gpio->dev, "handler for IRQ %d on %s\n",
+				irqno, port->name);
+			irq_set_chip_and_handler(irqno, &u300_gpio_irqchip,
+						 handle_simple_irq);
+			set_irq_flags(irqno, IRQF_VALID);
+			irq_set_chip_data(irqno, port);
+		}
+
+		/* Turns off irq force (test register) for this port */
+		writel(0x0, gpio->base + portno * gpio->stride + ifr);
+
+		list_add_tail(&port->node, &gpio->port_list);
+	}
+	dev_dbg(gpio->dev, "initialized %d GPIO ports\n", portno);
+
+	err = gpiochip_add(&gpio->chip);
+	if (err) {
+		dev_err(gpio->dev, "unable to add gpiochip: %d\n", err);
+		goto err_no_chip;
+	}
+
+	platform_set_drvdata(pdev, gpio);
 
 	return 0;
 
- err_no_irq:
-	for (i = 0; i < num_irqs; i++)
-		free_irq(gpio_ports[i].irq, &gpio_ports[i]);
-	iounmap(virtbase);
- err_no_ioremap:
-	release_mem_region(memres->start, resource_size(memres));
- err_no_ioregion:
- err_no_resource:
-	clk_disable(clk);
- err_no_clk_enable:
-	clk_put(clk);
- err_no_clk:
-	dev_info(gpiodev, "module ERROR:%d\n", err);
+err_no_chip:
+err_no_port:
+	u300_gpio_free_ports(gpio);
+err_unknown_variant:
+	iounmap(gpio->base);
+err_no_ioremap:
+	release_mem_region(gpio->memres->start, resource_size(gpio->memres));
+err_no_ioregion:
+err_no_resource:
+	clk_disable(gpio->clk);
+err_no_clk_enable:
+	clk_put(gpio->clk);
+err_no_clk:
+	kfree(gpio);
+	dev_info(&pdev->dev, "module ERROR:%d\n", err);
 	return err;
 }
 
-static int __exit gpio_remove(struct platform_device *pdev)
+static int __exit u300_gpio_remove(struct platform_device *pdev)
 {
-	int i;
+	struct u300_gpio_platform *plat = dev_get_platdata(&pdev->dev);
+	struct u300_gpio *gpio = platform_get_drvdata(pdev);
+	int err;
 
 	/* Turn off the GPIO block */
-	writel(0x00000000U, virtbase + U300_GPIO_CR);
-	for (i = 0 ; i < U300_GPIO_NUM_PORTS; i++)
-		free_irq(gpio_ports[i].irq, &gpio_ports[i]);
-	iounmap(virtbase);
-	release_mem_region(memres->start, resource_size(memres));
-	clk_disable(clk);
-	clk_put(clk);
+	if (plat->variant == U300_GPIO_COH901335)
+		writel(0x00000000U, gpio->base + U300_335_CR);
+	if (plat->variant == U300_GPIO_COH901571_3_BS335 ||
+	    plat->variant == U300_GPIO_COH901571_3_BS365)
+		writel(0x00000000U, gpio->base + U300_571_CR);
+
+	err = gpiochip_remove(&gpio->chip);
+	if (err < 0) {
+		dev_err(gpio->dev, "unable to remove gpiochip: %d\n", err);
+		return err;
+	}
+	u300_gpio_free_ports(gpio);
+	iounmap(gpio->base);
+	release_mem_region(gpio->memres->start,
+			   resource_size(gpio->memres));
+	clk_disable(gpio->clk);
+	clk_put(gpio->clk);
+	platform_set_drvdata(pdev, NULL);
+	kfree(gpio);
 	return 0;
 }
 
-static struct platform_driver gpio_driver = {
+static struct platform_driver u300_gpio_driver = {
 	.driver		= {
 		.name	= "u300-gpio",
 	},
-	.remove		= __exit_p(gpio_remove),
+	.remove		= __exit_p(u300_gpio_remove),
 };
 
 
 static int __init u300_gpio_init(void)
 {
-	return platform_driver_probe(&gpio_driver, gpio_probe);
+	return platform_driver_probe(&u300_gpio_driver, u300_gpio_probe);
 }
 
 static void __exit u300_gpio_exit(void)
 {
-	platform_driver_unregister(&gpio_driver);
+	platform_driver_unregister(&u300_gpio_driver);
 }
 
 arch_initcall(u300_gpio_init);
 module_exit(u300_gpio_exit);
 
 MODULE_AUTHOR("Linus Walleij <[e-mail]>");
-
-#ifdef U300_COH901571_3
-MODULE_DESCRIPTION("ST-Ericsson AB COH 901 571/3 GPIO driver");
-#endif
-
-#ifdef U300_COH901335
-MODULE_DESCRIPTION("ST-Ericsson AB COH 901 335 GPIO driver");
-#endif
-
+MODULE_DESCRIPTION("ST-Ericsson AB COH 901 335/COH 901 571/3 GPIO driver");
 MODULE_LICENSE("GPL");

drivers/i2c/busses/i2c-ixp2000.c

···
 #include <linux/slab.h>
 
 #include <mach/hardware.h>	/* Pick up IXP2000-specific bits */
-#include <mach/gpio.h>
+#include <mach/gpio-ixp2000.h>
 
 static inline int ixp2000_scl_pin(void *data)
 {

drivers/ide/at91_ide.c

···
 #include <linux/platform_device.h>
 
 #include <mach/board.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <mach/at91sam9_smc.h>
 
 #define DRV_NAME "at91_ide"

drivers/input/keyboard/omap-keypad.c

···
 #include <linux/mutex.h>
 #include <linux/errno.h>
 #include <linux/slab.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <plat/keypad.h>
 #include <plat/menelaus.h>
 #include <asm/irq.h>

drivers/mfd/menelaus.c

···
 
 #include <asm/mach/irq.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <plat/menelaus.h>
 
 #define DRIVER_NAME			"menelaus"

drivers/mmc/host/omap.c

···
 
 #include <plat/board.h>
 #include <plat/mmc.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <plat/dma.h>
 #include <plat/mux.h>
 #include <plat/fpga.h>

drivers/mmc/host/sdhci-tegra.c

···
 #include <linux/mmc/card.h>
 #include <linux/mmc/host.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
+
+#include <mach/gpio-tegra.h>
 #include <mach/sdhci.h>
 
 #include "sdhci-pltfm.h"

drivers/mtd/nand/ams-delta.c

···
 #include <asm/io.h>
 #include <mach/hardware.h>
 #include <asm/sizes.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <plat/board-ams-delta.h>
 
 /*

drivers/mtd/onenand/omap2.c

···
 #include <asm/mach/flash.h>
 #include <plat/gpmc.h>
 #include <plat/onenand.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 
 #include <plat/dma.h>
 

drivers/net/arm/at91_ether.c

···
 #include <asm/mach-types.h>
 
 #include <mach/at91rm9200_emac.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <mach/board.h>
 
 #include "at91_ether.h"

drivers/pcmcia/pxa2xx_vpac270.c

···
 
 #include <asm/mach-types.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <mach/vpac270.h>
 
 #include "soc_common.h"

drivers/spi/spi-atmel.c

···
 
 #include <asm/io.h>
 #include <mach/board.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <mach/cpu.h>
 
 /* SPI register offsets */

drivers/tty/serial/atmel_serial.c

···
 
 #ifdef CONFIG_ARM
 #include <mach/cpu.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #endif
 
 #define PDC_BUFFER_SIZE		512

drivers/usb/host/ohci-pnx4008.c

···
 
 #include <mach/platform.h>
 #include <mach/irqs.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 
 #define USB_CTRL	IO_ADDRESS(PNX4008_PWRMAN_BASE + 0x64)
 

drivers/usb/musb/davinci.c

···
 
 #include <mach/hardware.h>
 #include <mach/memory.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <mach/cputype.h>
 
 #include <asm/mach-types.h>

drivers/video/atmel_lcdfb.c

···
 
 #include <mach/board.h>
 #include <mach/cpu.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 
 #include <video/atmel_lcdc.h>
 

drivers/video/omap/lcd_apollon.c

···
 #include <linux/module.h>
 #include <linux/platform_device.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 
 #include "omapfb.h"
 

drivers/video/omap/lcd_h3.c

···
 #include <linux/platform_device.h>
 #include <linux/i2c/tps65010.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include "omapfb.h"
 
 #define MODULE_NAME	"omapfb-lcd_h3"

drivers/video/omap/lcd_inn1610.c

···
 #include <linux/module.h>
 #include <linux/platform_device.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include "omapfb.h"
 
 #define MODULE_NAME	"omapfb-lcd_h3"

drivers/video/omap/lcd_ldp.c

···
 #include <linux/delay.h>
 #include <linux/i2c/twl.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <plat/mux.h>
 #include <asm/mach-types.h>
 

drivers/video/omap/lcd_osk.c

···
 #include <linux/module.h>
 #include <linux/platform_device.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <plat/mux.h>
 #include "omapfb.h"
 

drivers/video/omap/lcd_overo.c

···
 #include <linux/platform_device.h>
 #include <linux/i2c/twl.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include <plat/mux.h>
 #include <asm/mach-types.h>
 

drivers/video/omap/lcd_palmtt.c

···
 #include <linux/module.h>
 #include <linux/io.h>
 
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 #include "omapfb.h"
 
 static int palmtt_panel_init(struct lcd_panel *panel,

drivers/video/pnx4008/sdum.c

···
 #include <linux/clk.h>
 #include <linux/gfp.h>
 #include <asm/uaccess.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
 
 #include "sdum.h"
 #include "fbcommon.h"