ARM: nomadik: enable PINCTRL_NOMADIK where needed

The nomadik gpio code has been converted to pinctrl, but the nomadik platform
still expects the old code to be present. Change it to use the new one instead.

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

arch/arm/Kconfig

···
 	select CPU_ARM926T
 	select CLKDEV_LOOKUP
 	select GENERIC_CLOCKEVENTS
+	select PINCTRL
 	select MIGHT_HAVE_CACHE_L2X0
 	select ARCH_REQUIRE_GPIOLIB
 	help

arch/arm/configs/nhk8815_defconfig

···
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_GPIO=y
 CONFIG_DEBUG_GPIO=y
+CONFIG_PINCTRL_NOMADIK=y
 # CONFIG_HWMON is not set
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_RTC_CLASS=y

arch/arm/mach-nomadik/Kconfig

···
 config I2C_BITBANG_8815NHK
 	tristate "Driver for bit-bang busses found on the 8815 NHK"
 	depends on I2C && MACH_NOMADIK_8815NHK
+	depends on PINCTRL_NOMADIK
 	select I2C_ALGOBIT
 	default y
 

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

···
 
 extern int nmk_gpio_set_slpm(int gpio, enum nmk_gpio_slpm mode);
 extern int nmk_gpio_set_pull(int gpio, enum nmk_gpio_pull pull);
+#ifdef CONFIG_PINCTRL_NOMADIK
 extern int nmk_gpio_set_mode(int gpio, int gpio_mode);
+#else
+static inline int nmk_gpio_set_mode(int gpio, int gpio_mode)
+{
+	return -ENODEV;
+}
+#endif
 extern int nmk_gpio_get_mode(int gpio);
 
 extern void nmk_gpio_wakeups_suspend(void);

drivers/pinctrl/Kconfig

···
 
 config PINCTRL_NOMADIK
 	bool "Nomadik pin controller driver"
-	depends on ARCH_U8500
+	depends on ARCH_U8500 || ARCH_NOMADIK
 	select PINMUX
 	select PINCONF