Merge branch 'next/dt' of git://git.linaro.org/people/arnd/arm-soc

* 'next/dt' of git://git.linaro.org/people/arnd/arm-soc:
ARM: gic: use module.h instead of export.h
ARM: gic: fix irq_alloc_descs handling for sparse irq
ARM: gic: add OF based initialization
ARM: gic: add irq_domain support
irq: support domains with non-zero hwirq base
of/irq: introduce of_irq_init
ARM: at91: add at91sam9g20 and Calao USB A9G20 DT support
ARM: at91: dt: at91sam9g45 family and board device tree files
arm/mx5: add device tree support for imx51 babbage
arm/mx5: add device tree support for imx53 boards
ARM: msm: Add devicetree support for msm8660-surf
msm_serial: Add devicetree support
msm_serial: Use relative resources for iomem

Fix up conflicts in arch/arm/mach-at91/{at91sam9260.c,at91sam9g45.c}

Documentation/devicetree/bindings/arm/fsl.txt

···
+i.MX51 Babbage Board
+Required root node properties:
+    - compatible = "fsl,imx51-babbage", "fsl,imx51";
+
+i.MX53 Automotive Reference Design Board
+Required root node properties:
+    - compatible = "fsl,imx53-ard", "fsl,imx53";
+
+i.MX53 Evaluation Kit
+Required root node properties:
+    - compatible = "fsl,imx53-evk", "fsl,imx53";
+
+i.MX53 Quick Start Board
+Required root node properties:
+    - compatible = "fsl,imx53-qsb", "fsl,imx53";
+
+i.MX53 Smart Mobile Reference Design Board
+Required root node properties:
+    - compatible = "fsl,imx53-smd", "fsl,imx53";

Documentation/devicetree/bindings/arm/gic.txt

···
+* ARM Generic Interrupt Controller
+
+ARM SMP cores are often associated with a GIC, providing per processor
+interrupts (PPI), shared processor interrupts (SPI) and software
+generated interrupts (SGI).
+
+Primary GIC is attached directly to the CPU and typically has PPIs and SGIs.
+Secondary GICs are cascaded into the upward interrupt controller and do not
+have PPIs or SGIs.
+
+Main node required properties:
+
+- compatible : should be one of:
+	"arm,cortex-a9-gic"
+	"arm,arm11mp-gic"
+- interrupt-controller : Identifies the node as an interrupt controller
+- #interrupt-cells : Specifies the number of cells needed to encode an
+  interrupt source.  The type shall be a <u32> and the value shall be 3.
+
+  The 1st cell is the interrupt type; 0 for SPI interrupts, 1 for PPI
+  interrupts.
+
+  The 2nd cell contains the interrupt number for the interrupt type.
+  SPI interrupts are in the range [0-987].  PPI interrupts are in the
+  range [0-15].
+
+  The 3rd cell is the flags, encoded as follows:
+	bits[3:0] trigger type and level flags.
+		1 = low-to-high edge triggered
+		2 = high-to-low edge triggered
+		4 = active high level-sensitive
+		8 = active low level-sensitive
+	bits[15:8] PPI interrupt cpu mask.  Each bit corresponds to each of
+	the 8 possible cpus attached to the GIC.  A bit set to '1' indicated
+	the interrupt is wired to that CPU.  Only valid for PPI interrupts.
+
+- reg : Specifies base physical address(s) and size of the GIC registers. The
+  first region is the GIC distributor register base and size. The 2nd region is
+  the GIC cpu interface register base and size.
+
+Optional
+- interrupts	: Interrupt source of the parent interrupt controller. Only
+  present on secondary GICs.
+
+Example:
+
+	intc: interrupt-controller@fff11000 {
+		compatible = "arm,cortex-a9-gic";
+		#interrupt-cells = <3>;
+		#address-cells = <1>;
+		interrupt-controller;
+		reg = <0xfff11000 0x1000>,
+		      <0xfff10100 0x100>;
+	};
+

Documentation/devicetree/bindings/tty/serial/msm_serial.txt

···
+* Qualcomm MSM UART
+
+Required properties:
+- compatible :
+	- "qcom,msm-uart", and one of "qcom,msm-hsuart" or
+	  "qcom,msm-lsuart".
+- reg : offset and length of the register set for the device
+	for the hsuart operating in compatible mode, there should be a
+	second pair describing the gsbi registers.
+- interrupts : should contain the uart interrupt.
+
+There are two different UART blocks used in MSM devices,
+"qcom,msm-hsuart" and "qcom,msm-lsuart".  The msm-serial driver is
+able to handle both of these, and matches against the "qcom,msm-uart"
+as the compatibility.
+
+The registers for the "qcom,msm-hsuart" device need to specify both
+register blocks, even for the common driver.
+
+Example:
+
+	uart@19c400000 {
+		compatible = "qcom,msm-hsuart", "qcom,msm-uart";
+		reg = <0x19c40000 0x1000>,
+		      <0x19c00000 0x1000>;
+		interrupts = <195>;
+	};

arch/arm/boot/dts/at91sam9g20.dtsi

···
+/*
+ * at91sam9g20.dtsi - Device Tree Include file for AT91SAM9G20 family SoC
+ *
+ *  Copyright (C) 2011 Atmel,
+ *                2011 Nicolas Ferre <[e-mail]>,
+ *                2011 Jean-Christophe PLAGNIOL-VILLARD <[e-mail]>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	model = "Atmel AT91SAM9G20 family SoC";
+	compatible = "atmel,at91sam9g20";
+	interrupt-parent = <&aic>;
+
+	aliases {
+		serial0 = &dbgu;
+		serial1 = &usart0;
+		serial2 = &usart1;
+		serial3 = &usart2;
+		serial4 = &usart3;
+		serial5 = &usart4;
+		serial6 = &usart5;
+	};
+	cpus {
+		cpu@0 {
+			compatible = "arm,arm926ejs";
+		};
+	};
+
+	memory@20000000 {
+		reg = <0x20000000 0x08000000>;
+	};
+
+	ahb {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		apb {
+			compatible = "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			aic: interrupt-controller@fffff000 {
+				#interrupt-cells = <1>;
+				compatible = "atmel,at91rm9200-aic";
+				interrupt-controller;
+				interrupt-parent;
+				reg = <0xfffff000 0x200>;
+			};
+
+			dbgu: serial@fffff200 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfffff200 0x200>;
+				interrupts = <1>;
+				status = "disabled";
+			};
+
+			usart0: serial@fffb0000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfffb0000 0x200>;
+				interrupts = <6>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart1: serial@fffb4000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfffb4000 0x200>;
+				interrupts = <7>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart2: serial@fffb8000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfffb8000 0x200>;
+				interrupts = <8>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart3: serial@fffd0000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfffd0000 0x200>;
+				interrupts = <23>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart4: serial@fffd4000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfffd4000 0x200>;
+				interrupts = <24>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart5: serial@fffd8000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfffd8000 0x200>;
+				interrupts = <25>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+		};
+	};
+};

arch/arm/boot/dts/at91sam9g45.dtsi

···
+/*
+ * at91sam9g45.dtsi - Device Tree Include file for AT91SAM9G45 family SoC
+ *                    applies to AT91SAM9G45, AT91SAM9M10,
+ *                    AT91SAM9G46, AT91SAM9M11 SoC
+ *
+ *  Copyright (C) 2011 Atmel,
+ *                2011 Nicolas Ferre <[e-mail]>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	model = "Atmel AT91SAM9G45 family SoC";
+	compatible = "atmel,at91sam9g45";
+	interrupt-parent = <&aic>;
+
+	aliases {
+		serial0 = &dbgu;
+		serial1 = &usart0;
+		serial2 = &usart1;
+		serial3 = &usart2;
+		serial4 = &usart3;
+	};
+	cpus {
+		cpu@0 {
+			compatible = "arm,arm926ejs";
+		};
+	};
+
+	memory@70000000 {
+		reg = <0x70000000 0x10000000>;
+	};
+
+	ahb {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		apb {
+			compatible = "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			aic: interrupt-controller@fffff000 {
+				#interrupt-cells = <1>;
+				compatible = "atmel,at91rm9200-aic";
+				interrupt-controller;
+				interrupt-parent;
+				reg = <0xfffff000 0x200>;
+			};
+
+			dma: dma-controller@ffffec00 {
+				compatible = "atmel,at91sam9g45-dma";
+				reg = <0xffffec00 0x200>;
+				interrupts = <21>;
+			};
+
+			dbgu: serial@ffffee00 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xffffee00 0x200>;
+				interrupts = <1>;
+				status = "disabled";
+			};
+
+			usart0: serial@fff8c000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfff8c000 0x200>;
+				interrupts = <7>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart1: serial@fff90000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfff90000 0x200>;
+				interrupts = <8>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart2: serial@fff94000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfff94000 0x200>;
+				interrupts = <9>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart3: serial@fff98000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfff98000 0x200>;
+				interrupts = <10>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+		};
+	};
+};

arch/arm/boot/dts/at91sam9m10g45ek.dts

···
+/*
+ * at91sam9m10g45ek.dts - Device Tree file for AT91SAM9M10G45-EK board
+ *
+ *  Copyright (C) 2011 Atmel,
+ *                2011 Nicolas Ferre <[e-mail]>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+/include/ "at91sam9g45.dtsi"
+
+/ {
+	model = "Atmel AT91SAM9M10G45-EK";
+	compatible = "atmel,at91sam9m10g45ek", "atmel,at91sam9g45", "atmel,at91sam9";
+
+	chosen {
+		bootargs = "mem=64M console=ttyS0,115200 mtdparts=atmel_nand:4M(bootstrap/uboot/kernel)ro,60M(rootfs),-(data) root=/dev/mtdblock1 rw rootfstype=jffs2";
+	};
+
+	memory@70000000 {
+		reg = <0x70000000 0x4000000>;
+	};
+
+	ahb {
+		apb {
+			dbgu: serial@ffffee00 {
+				status = "okay";
+			};
+
+			usart1: serial@fff90000 {
+				status = "okay";
+			};
+		};
+	};
+};

arch/arm/boot/dts/imx51-babbage.dts

···
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+/include/ "imx51.dtsi"
+
+/ {
+	model = "Freescale i.MX51 Babbage Board";
+	compatible = "fsl,imx51-babbage", "fsl,imx51";
+
+	chosen {
+		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
+	};
+
+	memory {
+		reg = <0x90000000 0x20000000>;
+	};
+
+	soc {
+		aips@70000000 { /* aips-1 */
+			spba@70000000 {
+				esdhc@70004000 { /* ESDHC1 */
+					fsl,cd-internal;
+					fsl,wp-internal;
+					status = "okay";
+				};
+
+				esdhc@70008000 { /* ESDHC2 */
+					cd-gpios = <&gpio0 6 0>; /* GPIO1_6 */
+					wp-gpios = <&gpio0 5 0>; /* GPIO1_5 */
+					status = "okay";
+				};
+
+				uart2: uart@7000c000 { /* UART3 */
+					fsl,uart-has-rtscts;
+					status = "okay";
+				};
+
+				ecspi@70010000 { /* ECSPI1 */
+					fsl,spi-num-chipselects = <2>;
+					cs-gpios = <&gpio3 24 0>, /* GPIO4_24 */
+						   <&gpio3 25 0>; /* GPIO4_25 */
+					status = "okay";
+
+					pmic: mc13892@0 {
+						#address-cells = <1>;
+						#size-cells = <0>;
+						compatible = "fsl,mc13892";
+						spi-max-frequency = <6000000>;
+						reg = <0>;
+						mc13xxx-irq-gpios = <&gpio0 8 0>; /* GPIO1_8 */
+						fsl,mc13xxx-uses-regulator;
+					};
+
+					flash: at45db321d@1 {
+						#address-cells = <1>;
+						#size-cells = <1>;
+						compatible = "atmel,at45db321d", "atmel,at45", "atmel,dataflash";
+						spi-max-frequency = <25000000>;
+						reg = <1>;
+
+						partition@0 {
+							label = "U-Boot";
+							reg = <0x0 0x40000>;
+							read-only;
+						};
+
+						partition@40000 {
+							label = "Kernel";
+							reg = <0x40000 0x3c0000>;
+						};
+					};
+				};
+			};
+
+			wdog@73f98000 { /* WDOG1 */
+				status = "okay";
+			};
+
+			iomuxc@73fa8000 {
+				compatible = "fsl,imx51-iomuxc-babbage";
+				reg = <0x73fa8000 0x4000>;
+			};
+
+			uart0: uart@73fbc000 {
+				fsl,uart-has-rtscts;
+				status = "okay";
+			};
+
+			uart1: uart@73fc0000 {
+				status = "okay";
+			};
+		};
+
+		aips@80000000 {	/* aips-2 */
+			sdma@83fb0000 {
+				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx51.bin";
+			};
+
+			i2c@83fc4000 { /* I2C2 */
+				status = "okay";
+
+				codec: sgtl5000@0a {
+					compatible = "fsl,sgtl5000";
+					reg = <0x0a>;
+				};
+			};
+
+			fec@83fec000 {
+				phy-mode = "mii";
+				status = "okay";
+			};
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		power {
+			label = "Power Button";
+			gpios = <&gpio1 21 0>;
+			linux,code = <116>; /* KEY_POWER */
+			gpio-key,wakeup;
+		};
+	};
+};

arch/arm/boot/dts/imx51.dtsi

···
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+		serial2 = &uart2;
+	};
+
+	tzic: tz-interrupt-controller@e0000000 {
+		compatible = "fsl,imx51-tzic", "fsl,tzic";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		reg = <0xe0000000 0x4000>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ckil {
+			compatible = "fsl,imx-ckil", "fixed-clock";
+			clock-frequency = <32768>;
+		};
+
+		ckih1 {
+			compatible = "fsl,imx-ckih1", "fixed-clock";
+			clock-frequency = <22579200>;
+		};
+
+		ckih2 {
+			compatible = "fsl,imx-ckih2", "fixed-clock";
+			clock-frequency = <0>;
+		};
+
+		osc {
+			compatible = "fsl,imx-osc", "fixed-clock";
+			clock-frequency = <24000000>;
+		};
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		interrupt-parent = <&tzic>;
+		ranges;
+
+		aips@70000000 { /* AIPS1 */
+			compatible = "fsl,aips-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x70000000 0x10000000>;
+			ranges;
+
+			spba@70000000 {
+				compatible = "fsl,spba-bus", "simple-bus";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0x70000000 0x40000>;
+				ranges;
+
+				esdhc@70004000 { /* ESDHC1 */
+					compatible = "fsl,imx51-esdhc";
+					reg = <0x70004000 0x4000>;
+					interrupts = <1>;
+					status = "disabled";
+				};
+
+				esdhc@70008000 { /* ESDHC2 */
+					compatible = "fsl,imx51-esdhc";
+					reg = <0x70008000 0x4000>;
+					interrupts = <2>;
+					status = "disabled";
+				};
+
+				uart2: uart@7000c000 { /* UART3 */
+					compatible = "fsl,imx51-uart", "fsl,imx21-uart";
+					reg = <0x7000c000 0x4000>;
+					interrupts = <33>;
+					status = "disabled";
+				};
+
+				ecspi@70010000 { /* ECSPI1 */
+					#address-cells = <1>;
+					#size-cells = <0>;
+					compatible = "fsl,imx51-ecspi";
+					reg = <0x70010000 0x4000>;
+					interrupts = <36>;
+					status = "disabled";
+				};
+
+				esdhc@70020000 { /* ESDHC3 */
+					compatible = "fsl,imx51-esdhc";
+					reg = <0x70020000 0x4000>;
+					interrupts = <3>;
+					status = "disabled";
+				};
+
+				esdhc@70024000 { /* ESDHC4 */
+					compatible = "fsl,imx51-esdhc";
+					reg = <0x70024000 0x4000>;
+					interrupts = <4>;
+					status = "disabled";
+				};
+			};
+
+			gpio0: gpio@73f84000 { /* GPIO1 */
+				compatible = "fsl,imx51-gpio", "fsl,imx31-gpio";
+				reg = <0x73f84000 0x4000>;
+				interrupts = <50 51>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio1: gpio@73f88000 { /* GPIO2 */
+				compatible = "fsl,imx51-gpio", "fsl,imx31-gpio";
+				reg = <0x73f88000 0x4000>;
+				interrupts = <52 53>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio2: gpio@73f8c000 { /* GPIO3 */
+				compatible = "fsl,imx51-gpio", "fsl,imx31-gpio";
+				reg = <0x73f8c000 0x4000>;
+				interrupts = <54 55>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio3: gpio@73f90000 { /* GPIO4 */
+				compatible = "fsl,imx51-gpio", "fsl,imx31-gpio";
+				reg = <0x73f90000 0x4000>;
+				interrupts = <56 57>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			wdog@73f98000 { /* WDOG1 */
+				compatible = "fsl,imx51-wdt", "fsl,imx21-wdt";
+				reg = <0x73f98000 0x4000>;
+				interrupts = <58>;
+				status = "disabled";
+			};
+
+			wdog@73f9c000 { /* WDOG2 */
+				compatible = "fsl,imx51-wdt", "fsl,imx21-wdt";
+				reg = <0x73f9c000 0x4000>;
+				interrupts = <59>;
+				status = "disabled";
+			};
+
+			uart0: uart@73fbc000 {
+				compatible = "fsl,imx51-uart", "fsl,imx21-uart";
+				reg = <0x73fbc000 0x4000>;
+				interrupts = <31>;
+				status = "disabled";
+			};
+
+			uart1: uart@73fc0000 {
+				compatible = "fsl,imx51-uart", "fsl,imx21-uart";
+				reg = <0x73fc0000 0x4000>;
+				interrupts = <32>;
+				status = "disabled";
+			};
+		};
+
+		aips@80000000 {	/* AIPS2 */
+			compatible = "fsl,aips-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x80000000 0x10000000>;
+			ranges;
+
+			ecspi@83fac000 { /* ECSPI2 */
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx51-ecspi";
+				reg = <0x83fac000 0x4000>;
+				interrupts = <37>;
+				status = "disabled";
+			};
+
+			sdma@83fb0000 {
+				compatible = "fsl,imx51-sdma", "fsl,imx35-sdma";
+				reg = <0x83fb0000 0x4000>;
+				interrupts = <6>;
+			};
+
+			cspi@83fc0000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx51-cspi", "fsl,imx35-cspi";
+				reg = <0x83fc0000 0x4000>;
+				interrupts = <38>;
+				status = "disabled";
+			};
+
+			i2c@83fc4000 { /* I2C2 */
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx51-i2c", "fsl,imx1-i2c";
+				reg = <0x83fc4000 0x4000>;
+				interrupts = <63>;
+				status = "disabled";
+			};
+
+			i2c@83fc8000 { /* I2C1 */
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx51-i2c", "fsl,imx1-i2c";
+				reg = <0x83fc8000 0x4000>;
+				interrupts = <62>;
+				status = "disabled";
+			};
+
+			fec@83fec000 {
+				compatible = "fsl,imx51-fec", "fsl,imx27-fec";
+				reg = <0x83fec000 0x4000>;
+				interrupts = <87>;
+				status = "disabled";
+			};
+		};
+	};
+};

arch/arm/boot/dts/imx53-ard.dts

···
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+/include/ "imx53.dtsi"
+
+/ {
+	model = "Freescale i.MX53 Automotive Reference Design Board";
+	compatible = "fsl,imx53-ard", "fsl,imx53";
+
+	chosen {
+		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
+	};
+
+	memory {
+		reg = <0x70000000 0x40000000>;
+	};
+
+	soc {
+		aips@50000000 { /* AIPS1 */
+			spba@50000000 {
+				esdhc@50004000 { /* ESDHC1 */
+					cd-gpios = <&gpio0 1 0>; /* GPIO1_1 */
+					wp-gpios = <&gpio0 9 0>; /* GPIO1_9 */
+					status = "okay";
+				};
+			};
+
+			wdog@53f98000 { /* WDOG1 */
+				status = "okay";
+			};
+
+			iomuxc@53fa8000 {
+				compatible = "fsl,imx53-iomuxc-ard";
+				reg = <0x53fa8000 0x4000>;
+			};
+
+			uart0: uart@53fbc000 { /* UART1 */
+				status = "okay";
+			};
+		};
+
+		aips@60000000 {	/* AIPS2 */
+			sdma@63fb0000 {
+				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx53.bin";
+			};
+		};
+	};
+
+	eim-cs1@f4000000 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "fsl,eim-bus", "simple-bus";
+		reg = <0xf4000000 0x3ff0000>;
+		ranges;
+
+		lan9220@f4000000 {
+			compatible = "smsc,lan9220", "smsc,lan9115";
+			reg = <0xf4000000 0x2000000>;
+			phy-mode = "mii";
+			interrupt-parent = <&gpio1>;
+			interrupts = <31>;
+			reg-io-width = <4>;
+			smsc,irq-push-pull;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		home {
+			label = "Home";
+			gpios = <&gpio4 10 0>; /* GPIO5_10 */
+			linux,code = <102>; /* KEY_HOME */
+			gpio-key,wakeup;
+		};
+
+		back {
+			label = "Back";
+			gpios = <&gpio4 11 0>; /* GPIO5_11 */
+			linux,code = <158>; /* KEY_BACK */
+			gpio-key,wakeup;
+		};
+
+		program {
+			label = "Program";
+			gpios = <&gpio4 12 0>; /* GPIO5_12 */
+			linux,code = <362>; /* KEY_PROGRAM */
+			gpio-key,wakeup;
+		};
+
+		volume-up {
+			label = "Volume Up";
+			gpios = <&gpio4 13 0>; /* GPIO5_13 */
+			linux,code = <115>; /* KEY_VOLUMEUP */
+		};
+
+		volume-down {
+			label = "Volume Down";
+			gpios = <&gpio3 0 0>; /* GPIO4_0 */
+			linux,code = <114>; /* KEY_VOLUMEDOWN */
+		};
+	};
+};

arch/arm/boot/dts/imx53-evk.dts

···
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+/include/ "imx53.dtsi"
+
+/ {
+	model = "Freescale i.MX53 Evaluation Kit";
+	compatible = "fsl,imx53-evk", "fsl,imx53";
+
+	chosen {
+		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
+	};
+
+	memory {
+		reg = <0x70000000 0x80000000>;
+	};
+
+	soc {
+		aips@50000000 { /* AIPS1 */
+			spba@50000000 {
+				esdhc@50004000 { /* ESDHC1 */
+					cd-gpios = <&gpio2 13 0>; /* GPIO3_13 */
+					wp-gpios = <&gpio2 14 0>; /* GPIO3_14 */
+					status = "okay";
+				};
+
+				ecspi@50010000 { /* ECSPI1 */
+					fsl,spi-num-chipselects = <2>;
+					cs-gpios = <&gpio1 30 0>, /* GPIO2_30 */
+						   <&gpio2 19 0>; /* GPIO3_19 */
+					status = "okay";
+
+					flash: at45db321d@1 {
+						#address-cells = <1>;
+						#size-cells = <1>;
+						compatible = "atmel,at45db321d", "atmel,at45", "atmel,dataflash";
+						spi-max-frequency = <25000000>;
+						reg = <1>;
+
+						partition@0 {
+							label = "U-Boot";
+							reg = <0x0 0x40000>;
+							read-only;
+						};
+
+						partition@40000 {
+							label = "Kernel";
+							reg = <0x40000 0x3c0000>;
+						};
+					};
+				};
+
+				esdhc@50020000 { /* ESDHC3 */
+					cd-gpios = <&gpio2 11 0>; /* GPIO3_11 */
+					wp-gpios = <&gpio2 12 0>; /* GPIO3_12 */
+					status = "okay";
+				};
+			};
+
+			wdog@53f98000 { /* WDOG1 */
+				status = "okay";
+			};
+
+			iomuxc@53fa8000 {
+				compatible = "fsl,imx53-iomuxc-evk";
+				reg = <0x53fa8000 0x4000>;
+			};
+
+			uart0: uart@53fbc000 { /* UART1 */
+				status = "okay";
+			};
+		};
+
+		aips@60000000 {	/* AIPS2 */
+			sdma@63fb0000 {
+				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx53.bin";
+			};
+
+			i2c@63fc4000 { /* I2C2 */
+				status = "okay";
+
+				pmic: mc13892@08 {
+					compatible = "fsl,mc13892", "fsl,mc13xxx";
+					reg = <0x08>;
+				};
+
+				codec: sgtl5000@0a {
+					compatible = "fsl,sgtl5000";
+					reg = <0x0a>;
+				};
+			};
+
+			fec@63fec000 {
+				phy-mode = "rmii";
+				phy-reset-gpios = <&gpio6 6 0>; /* GPIO7_6 */
+				status = "okay";
+			};
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		green {
+			label = "Heartbeat";
+			gpios = <&gpio6 7 0>; /* GPIO7_7 */
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};

arch/arm/boot/dts/imx53-qsb.dts

···
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+/include/ "imx53.dtsi"
+
+/ {
+	model = "Freescale i.MX53 Quick Start Board";
+	compatible = "fsl,imx53-qsb", "fsl,imx53";
+
+	chosen {
+		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
+	};
+
+	memory {
+		reg = <0x70000000 0x40000000>;
+	};
+
+	soc {
+		aips@50000000 { /* AIPS1 */
+			spba@50000000 {
+				esdhc@50004000 { /* ESDHC1 */
+					cd-gpios = <&gpio2 13 0>; /* GPIO3_13 */
+					status = "okay";
+				};
+
+				esdhc@50020000 { /* ESDHC3 */
+					cd-gpios = <&gpio2 11 0>; /* GPIO3_11 */
+					wp-gpios = <&gpio2 12 0>; /* GPIO3_12 */
+					status = "okay";
+				};
+			};
+
+			wdog@53f98000 { /* WDOG1 */
+				status = "okay";
+			};
+
+			iomuxc@53fa8000 {
+				compatible = "fsl,imx53-iomuxc-qsb";
+				reg = <0x53fa8000 0x4000>;
+			};
+
+			uart0: uart@53fbc000 { /* UART1 */
+				status = "okay";
+			};
+		};
+
+		aips@60000000 {	/* AIPS2 */
+			sdma@63fb0000 {
+				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx53.bin";
+			};
+
+			i2c@63fc4000 { /* I2C2 */
+				status = "okay";
+
+				codec: sgtl5000@0a {
+					compatible = "fsl,sgtl5000";
+					reg = <0x0a>;
+				};
+			};
+
+			i2c@63fc8000 { /* I2C1 */
+				status = "okay";
+
+				accelerometer: mma8450@1c {
+					compatible = "fsl,mma8450";
+					reg = <0x1c>;
+				};
+
+				pmic: dialog@48 {
+					compatible = "dialog,da9053", "dialog,da9052";
+					reg = <0x48>;
+				};
+			};
+
+			fec@63fec000 {
+				phy-mode = "rmii";
+				phy-reset-gpios = <&gpio6 6 0>; /* GPIO7_6 */
+				status = "okay";
+			};
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		power {
+			label = "Power Button";
+			gpios = <&gpio0 8 0>; /* GPIO1_8 */
+			linux,code = <116>; /* KEY_POWER */
+			gpio-key,wakeup;
+		};
+
+		volume-up {
+			label = "Volume Up";
+			gpios = <&gpio1 14 0>; /* GPIO2_14 */
+			linux,code = <115>; /* KEY_VOLUMEUP */
+		};
+
+		volume-down {
+			label = "Volume Down";
+			gpios = <&gpio1 15 0>; /* GPIO2_15 */
+			linux,code = <114>; /* KEY_VOLUMEDOWN */
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		user {
+			label = "Heartbeat";
+			gpios = <&gpio6 7 0>; /* GPIO7_7 */
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};

arch/arm/boot/dts/imx53-smd.dts

···
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/dts-v1/;
+/include/ "imx53.dtsi"
+
+/ {
+	model = "Freescale i.MX53 Smart Mobile Reference Design Board";
+	compatible = "fsl,imx53-smd", "fsl,imx53";
+
+	chosen {
+		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
+	};
+
+	memory {
+		reg = <0x70000000 0x40000000>;
+	};
+
+	soc {
+		aips@50000000 { /* AIPS1 */
+			spba@50000000 {
+				esdhc@50004000 { /* ESDHC1 */
+					cd-gpios = <&gpio2 13 0>; /* GPIO3_13 */
+					wp-gpios = <&gpio3 11 0>; /* GPIO4_11 */
+					status = "okay";
+				};
+
+				esdhc@50008000 { /* ESDHC2 */
+					fsl,card-wired;
+					status = "okay";
+				};
+
+				uart2: uart@5000c000 { /* UART3 */
+					fsl,uart-has-rtscts;
+					status = "okay";
+				};
+
+				ecspi@50010000 { /* ECSPI1 */
+					fsl,spi-num-chipselects = <2>;
+					cs-gpios = <&gpio1 30 0>, /* GPIO2_30 */
+						   <&gpio2 19 0>; /* GPIO3_19 */
+					status = "okay";
+
+					zigbee: mc1323@0 {
+						compatible = "fsl,mc1323";
+						spi-max-frequency = <8000000>;
+						reg = <0>;
+					};
+
+					flash: m25p32@1 {
+						#address-cells = <1>;
+						#size-cells = <1>;
+						compatible = "st,m25p32", "st,m25p";
+						spi-max-frequency = <20000000>;
+						reg = <1>;
+
+						partition@0 {
+							label = "U-Boot";
+							reg = <0x0 0x40000>;
+							read-only;
+						};
+
+						partition@40000 {
+							label = "Kernel";
+							reg = <0x40000 0x3c0000>;
+						};
+					};
+				};
+
+				esdhc@50020000 { /* ESDHC3 */
+					fsl,card-wired;
+					status = "okay";
+				};
+			};
+
+			wdog@53f98000 { /* WDOG1 */
+				status = "okay";
+			};
+
+			iomuxc@53fa8000 {
+				compatible = "fsl,imx53-iomuxc-smd";
+				reg = <0x53fa8000 0x4000>;
+			};
+
+			uart0: uart@53fbc000 { /* UART1 */
+				status = "okay";
+			};
+
+			uart1: uart@53fc0000 { /* UART2 */
+				status = "okay";
+			};
+		};
+
+		aips@60000000 {	/* AIPS2 */
+			sdma@63fb0000 {
+				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx53.bin";
+			};
+
+			i2c@63fc4000 { /* I2C2 */
+				status = "okay";
+
+				codec: sgtl5000@0a {
+					compatible = "fsl,sgtl5000";
+					reg = <0x0a>;
+				};
+
+				magnetometer: mag3110@0e {
+					compatible = "fsl,mag3110";
+					reg = <0x0e>;
+				};
+
+				touchkey: mpr121@5a {
+					compatible = "fsl,mpr121";
+					reg = <0x5a>;
+				};
+			};
+
+			i2c@63fc8000 { /* I2C1 */
+				status = "okay";
+
+				accelerometer: mma8450@1c {
+					compatible = "fsl,mma8450";
+					reg = <0x1c>;
+				};
+
+				camera: ov5642@3c {
+					compatible = "ovti,ov5642";
+					reg = <0x3c>;
+				};
+
+				pmic: dialog@48 {
+					compatible = "dialog,da9053", "dialog,da9052";
+					reg = <0x48>;
+				};
+			};
+
+			fec@63fec000 {
+				phy-mode = "rmii";
+				phy-reset-gpios = <&gpio6 6 0>; /* GPIO7_6 */
+				status = "okay";
+			};
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		volume-up {
+			label = "Volume Up";
+			gpios = <&gpio1 14 0>; /* GPIO2_14 */
+			linux,code = <115>; /* KEY_VOLUMEUP */
+		};
+
+		volume-down {
+			label = "Volume Down";
+			gpios = <&gpio1 15 0>; /* GPIO2_15 */
+			linux,code = <114>; /* KEY_VOLUMEDOWN */
+		};
+	};
+};

arch/arm/boot/dts/imx53.dtsi

···
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+		serial2 = &uart2;
+		serial3 = &uart3;
+		serial4 = &uart4;
+	};
+
+	tzic: tz-interrupt-controller@0fffc000 {
+		compatible = "fsl,imx53-tzic", "fsl,tzic";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		reg = <0x0fffc000 0x4000>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ckil {
+			compatible = "fsl,imx-ckil", "fixed-clock";
+			clock-frequency = <32768>;
+		};
+
+		ckih1 {
+			compatible = "fsl,imx-ckih1", "fixed-clock";
+			clock-frequency = <22579200>;
+		};
+
+		ckih2 {
+			compatible = "fsl,imx-ckih2", "fixed-clock";
+			clock-frequency = <0>;
+		};
+
+		osc {
+			compatible = "fsl,imx-osc", "fixed-clock";
+			clock-frequency = <24000000>;
+		};
+	};
+
+	soc {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "simple-bus";
+		interrupt-parent = <&tzic>;
+		ranges;
+
+		aips@50000000 { /* AIPS1 */
+			compatible = "fsl,aips-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x50000000 0x10000000>;
+			ranges;
+
+			spba@50000000 {
+				compatible = "fsl,spba-bus", "simple-bus";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0x50000000 0x40000>;
+				ranges;
+
+				esdhc@50004000 { /* ESDHC1 */
+					compatible = "fsl,imx53-esdhc";
+					reg = <0x50004000 0x4000>;
+					interrupts = <1>;
+					status = "disabled";
+				};
+
+				esdhc@50008000 { /* ESDHC2 */
+					compatible = "fsl,imx53-esdhc";
+					reg = <0x50008000 0x4000>;
+					interrupts = <2>;
+					status = "disabled";
+				};
+
+				uart2: uart@5000c000 { /* UART3 */
+					compatible = "fsl,imx53-uart", "fsl,imx21-uart";
+					reg = <0x5000c000 0x4000>;
+					interrupts = <33>;
+					status = "disabled";
+				};
+
+				ecspi@50010000 { /* ECSPI1 */
+					#address-cells = <1>;
+					#size-cells = <0>;
+					compatible = "fsl,imx53-ecspi", "fsl,imx51-ecspi";
+					reg = <0x50010000 0x4000>;
+					interrupts = <36>;
+					status = "disabled";
+				};
+
+				esdhc@50020000 { /* ESDHC3 */
+					compatible = "fsl,imx53-esdhc";
+					reg = <0x50020000 0x4000>;
+					interrupts = <3>;
+					status = "disabled";
+				};
+
+				esdhc@50024000 { /* ESDHC4 */
+					compatible = "fsl,imx53-esdhc";
+					reg = <0x50024000 0x4000>;
+					interrupts = <4>;
+					status = "disabled";
+				};
+			};
+
+			gpio0: gpio@53f84000 { /* GPIO1 */
+				compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+				reg = <0x53f84000 0x4000>;
+				interrupts = <50 51>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio1: gpio@53f88000 { /* GPIO2 */
+				compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+				reg = <0x53f88000 0x4000>;
+				interrupts = <52 53>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio2: gpio@53f8c000 { /* GPIO3 */
+				compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+				reg = <0x53f8c000 0x4000>;
+				interrupts = <54 55>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio3: gpio@53f90000 { /* GPIO4 */
+				compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+				reg = <0x53f90000 0x4000>;
+				interrupts = <56 57>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			wdog@53f98000 { /* WDOG1 */
+				compatible = "fsl,imx53-wdt", "fsl,imx21-wdt";
+				reg = <0x53f98000 0x4000>;
+				interrupts = <58>;
+				status = "disabled";
+			};
+
+			wdog@53f9c000 { /* WDOG2 */
+				compatible = "fsl,imx53-wdt", "fsl,imx21-wdt";
+				reg = <0x53f9c000 0x4000>;
+				interrupts = <59>;
+				status = "disabled";
+			};
+
+			uart0: uart@53fbc000 { /* UART1 */
+				compatible = "fsl,imx53-uart", "fsl,imx21-uart";
+				reg = <0x53fbc000 0x4000>;
+				interrupts = <31>;
+				status = "disabled";
+			};
+
+			uart1: uart@53fc0000 { /* UART2 */
+				compatible = "fsl,imx53-uart", "fsl,imx21-uart";
+				reg = <0x53fc0000 0x4000>;
+				interrupts = <32>;
+				status = "disabled";
+			};
+
+			gpio4: gpio@53fdc000 { /* GPIO5 */
+				compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+				reg = <0x53fdc000 0x4000>;
+				interrupts = <103 104>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio5: gpio@53fe0000 { /* GPIO6 */
+				compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+				reg = <0x53fe0000 0x4000>;
+				interrupts = <105 106>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			gpio6: gpio@53fe4000 { /* GPIO7 */
+				compatible = "fsl,imx53-gpio", "fsl,imx31-gpio";
+				reg = <0x53fe4000 0x4000>;
+				interrupts = <107 108>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+
+			i2c@53fec000 { /* I2C3 */
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx53-i2c", "fsl,imx1-i2c";
+				reg = <0x53fec000 0x4000>;
+				interrupts = <64>;
+				status = "disabled";
+			};
+
+			uart3: uart@53ff0000 { /* UART4 */
+				compatible = "fsl,imx53-uart", "fsl,imx21-uart";
+				reg = <0x53ff0000 0x4000>;
+				interrupts = <13>;
+				status = "disabled";
+			};
+		};
+
+		aips@60000000 {	/* AIPS2 */
+			compatible = "fsl,aips-bus", "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x60000000 0x10000000>;
+			ranges;
+
+			uart4: uart@63f90000 { /* UART5 */
+				compatible = "fsl,imx53-uart", "fsl,imx21-uart";
+				reg = <0x63f90000 0x4000>;
+				interrupts = <86>;
+				status = "disabled";
+			};
+
+			ecspi@63fac000 { /* ECSPI2 */
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx53-ecspi", "fsl,imx51-ecspi";
+				reg = <0x63fac000 0x4000>;
+				interrupts = <37>;
+				status = "disabled";
+			};
+
+			sdma@63fb0000 {
+				compatible = "fsl,imx53-sdma", "fsl,imx35-sdma";
+				reg = <0x63fb0000 0x4000>;
+				interrupts = <6>;
+			};
+
+			cspi@63fc0000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx53-cspi", "fsl,imx35-cspi";
+				reg = <0x63fc0000 0x4000>;
+				interrupts = <38>;
+				status = "disabled";
+			};
+
+			i2c@63fc4000 { /* I2C2 */
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx53-i2c", "fsl,imx1-i2c";
+				reg = <0x63fc4000 0x4000>;
+				interrupts = <63>;
+				status = "disabled";
+			};
+
+			i2c@63fc8000 { /* I2C1 */
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx53-i2c", "fsl,imx1-i2c";
+				reg = <0x63fc8000 0x4000>;
+				interrupts = <62>;
+				status = "disabled";
+			};
+
+			fec@63fec000 {
+				compatible = "fsl,imx53-fec", "fsl,imx25-fec";
+				reg = <0x63fec000 0x4000>;
+				interrupts = <87>;
+				status = "disabled";
+			};
+		};
+	};
+};

arch/arm/boot/dts/msm8660-surf.dts

···
+/dts-v1/;
+
+/include/ "skeleton.dtsi"
+
+/ {
+	model = "Qualcomm MSM8660 SURF";
+	compatible = "qcom,msm8660-surf", "qcom,msm8660";
+	interrupt-parent = <&intc>;
+
+	intc: interrupt-controller@02080000 {
+		compatible = "qcom,msm-8660-qgic";
+		interrupt-controller;
+		#interrupt-cells = <1>;
+		reg = < 0x02080000 0x1000 >,
+		      < 0x02081000 0x1000 >;
+	};
+
+	serial@19c400000 {
+		compatible = "qcom,msm-hsuart", "qcom,msm-uart";
+		reg = <0x19c40000 0x1000>,
+		      <0x19c00000 0x1000>;
+		interrupts = <195>;
+	};
+};

arch/arm/boot/dts/usb_a9g20.dts

···
+/*
+ * usb_a9g20.dts - Device Tree file for Caloa USB A9G20 board
+ *
+ *  Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <[e-mail]>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+/include/ "at91sam9g20.dtsi"
+
+/ {
+	model = "Calao USB A9G20";
+	compatible = "calao,usb-a9g20", "atmel,at91sam9g20", "atmel,at91sam9";
+
+	chosen {
+		bootargs = "mem=64M console=ttyS0,115200 mtdparts=atmel_nand:128k(at91bootstrap),256k(barebox)ro,128k(bareboxenv),128k(bareboxenv2),4M(kernel),120M(rootfs),-(data) root=/dev/mtdblock5 rw rootfstype=ubifs";
+	};
+
+	memory@20000000 {
+		reg = <0x20000000 0x4000000>;
+	};
+
+	ahb {
+		apb {
+			dbgu: serial@fffff200 {
+				status = "okay";
+			};
+		};
+	};
+};

arch/arm/common/Kconfig

···
 config ARM_GIC
+	select IRQ_DOMAIN
 	bool
 
 config ARM_VIC

arch/arm/common/gic.c

···
  */
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/module.h>
 #include <linux/list.h>
 #include <linux/smp.h>
 #include <linux/cpu_pm.h>
 #include <linux/cpumask.h>
 #include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/irqdomain.h>
 #include <linux/interrupt.h>
 #include <linux/percpu.h>
 #include <linux/slab.h>
···
 
 static inline unsigned int gic_irq(struct irq_data *d)
 {
-	struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d);
-	return d->irq - gic_data->irq_offset;
+	return d->hwirq;
 }
 
 /*
···
  */
 static void gic_mask_irq(struct irq_data *d)
 {
-	u32 mask = 1 << (d->irq % 32);
+	u32 mask = 1 << (gic_irq(d) % 32);
 
 	raw_spin_lock(&irq_controller_lock);
 	writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_CLEAR + (gic_irq(d) / 32) * 4);
···
 
 static void gic_unmask_irq(struct irq_data *d)
 {
-	u32 mask = 1 << (d->irq % 32);
+	u32 mask = 1 << (gic_irq(d) % 32);
 
 	raw_spin_lock(&irq_controller_lock);
 	if (gic_arch_extn.irq_unmask)
···
 			    bool force)
 {
 	void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
-	unsigned int shift = (d->irq % 4) * 8;
+	unsigned int shift = (gic_irq(d) % 4) * 8;
 	unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
 	u32 val, mask, bit;
 
···
 	if (gic_irq == 1023)
 		goto out;
 
-	cascade_irq = gic_irq + chip_data->irq_offset;
+	cascade_irq = irq_domain_to_irq(&chip_data->domain, gic_irq);
 	if (unlikely(gic_irq < 32 || gic_irq > 1020 || cascade_irq >= NR_IRQS))
 		do_bad_IRQ(cascade_irq, desc);
 	else
···
 	irq_set_chained_handler(irq, gic_handle_cascade_irq);
 }
 
-static void __init gic_dist_init(struct gic_chip_data *gic,
-	unsigned int irq_start)
+static void __init gic_dist_init(struct gic_chip_data *gic)
 {
-	unsigned int gic_irqs, irq_limit, i;
+	unsigned int i, irq;
 	u32 cpumask;
+	unsigned int gic_irqs = gic->gic_irqs;
+	struct irq_domain *domain = &gic->domain;
 	void __iomem *base = gic->dist_base;
 	u32 cpu = 0;
-	u32 nrppis = 0, ppi_base = 0;
 
 #ifdef CONFIG_SMP
 	cpu = cpu_logical_map(smp_processor_id());
···
 	cpumask |= cpumask << 16;
 
 	writel_relaxed(0, base + GIC_DIST_CTRL);
-
-	/*
-	 * Find out how many interrupts are supported.
-	 * The GIC only supports up to 1020 interrupt sources.
-	 */
-	gic_irqs = readl_relaxed(base + GIC_DIST_CTR) & 0x1f;
-	gic_irqs = (gic_irqs + 1) * 32;
-	if (gic_irqs > 1020)
-		gic_irqs = 1020;
-
-	gic->gic_irqs = gic_irqs;
-
-	/*
-	 * Nobody would be insane enough to use PPIs on a secondary
-	 * GIC, right?
-	 */
-	if (gic == &gic_data[0]) {
-		nrppis = (32 - irq_start) & 31;
-
-		/* The GIC only supports up to 16 PPIs. */
-		if (nrppis > 16)
-			BUG();
-
-		ppi_base = gic->irq_offset + 32 - nrppis;
-	}
-
-	pr_info("Configuring GIC with %d sources (%d PPIs)\n",
-		gic_irqs, (gic == &gic_data[0]) ? nrppis : 0);
 
 	/*
 	 * Set all global interrupts to be level triggered, active low.
···
 		writel_relaxed(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32);
 
 	/*
-	 * Limit number of interrupts registered to the platform maximum
-	 */
-	irq_limit = gic->irq_offset + gic_irqs;
-	if (WARN_ON(irq_limit > NR_IRQS))
-		irq_limit = NR_IRQS;
-
-	/*
 	 * Setup the Linux IRQ subsystem.
 	 */
-	for (i = 0; i < nrppis; i++) {
-		int ppi = i + ppi_base;
-
-		irq_set_percpu_devid(ppi);
-		irq_set_chip_and_handler(ppi, &gic_chip,
-					 handle_percpu_devid_irq);
-		irq_set_chip_data(ppi, gic);
-		set_irq_flags(ppi, IRQF_VALID | IRQF_NOAUTOEN);
-	}
-
-	for (i = irq_start + nrppis; i < irq_limit; i++) {
-		irq_set_chip_and_handler(i, &gic_chip, handle_fasteoi_irq);
-		irq_set_chip_data(i, gic);
-		set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
+	irq_domain_for_each_irq(domain, i, irq) {
+		if (i < 32) {
+			irq_set_percpu_devid(irq);
+			irq_set_chip_and_handler(irq, &gic_chip,
+						 handle_percpu_devid_irq);
+			set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN);
+		} else {
+			irq_set_chip_and_handler(irq, &gic_chip,
+						 handle_fasteoi_irq);
+			set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+		}
+		irq_set_chip_data(irq, gic);
 	}
 
 	writel_relaxed(1, base + GIC_DIST_CTRL);
···
 }
 #endif
 
-void __init gic_init(unsigned int gic_nr, unsigned int irq_start,
+#ifdef CONFIG_OF
+static int gic_irq_domain_dt_translate(struct irq_domain *d,
+				       struct device_node *controller,
+				       const u32 *intspec, unsigned int intsize,
+				       unsigned long *out_hwirq, unsigned int *out_type)
+{
+	if (d->of_node != controller)
+		return -EINVAL;
+	if (intsize < 3)
+		return -EINVAL;
+
+	/* Get the interrupt number and add 16 to skip over SGIs */
+	*out_hwirq = intspec[1] + 16;
+
+	/* For SPIs, we need to add 16 more to get the GIC irq ID number */
+	if (!intspec[0])
+		*out_hwirq += 16;
+
+	*out_type = intspec[2] & IRQ_TYPE_SENSE_MASK;
+	return 0;
+}
+#endif
+
+const struct irq_domain_ops gic_irq_domain_ops = {
+#ifdef CONFIG_OF
+	.dt_translate = gic_irq_domain_dt_translate,
+#endif
+};
+
+void __init gic_init(unsigned int gic_nr, int irq_start,
 	void __iomem *dist_base, void __iomem *cpu_base)
 {
 	struct gic_chip_data *gic;
+	struct irq_domain *domain;
+	int gic_irqs;
 
 	BUG_ON(gic_nr >= MAX_GIC_NR);
 
 	gic = &gic_data[gic_nr];
+	domain = &gic->domain;
 	gic->dist_base = dist_base;
 	gic->cpu_base = cpu_base;
-	gic->irq_offset = (irq_start - 1) & ~31;
 
-	if (gic_nr == 0)
+	/*
+	 * For primary GICs, skip over SGIs.
+	 * For secondary GICs, skip over PPIs, too.
+	 */
+	if (gic_nr == 0) {
 		gic_cpu_base_addr = cpu_base;
+		domain->hwirq_base = 16;
+		if (irq_start > 0)
+			irq_start = (irq_start & ~31) + 16;
+	} else
+		domain->hwirq_base = 32;
+
+	/*
+	 * Find out how many interrupts are supported.
+	 * The GIC only supports up to 1020 interrupt sources.
+	 */
+	gic_irqs = readl_relaxed(dist_base + GIC_DIST_CTR) & 0x1f;
+	gic_irqs = (gic_irqs + 1) * 32;
+	if (gic_irqs > 1020)
+		gic_irqs = 1020;
+	gic->gic_irqs = gic_irqs;
+
+	domain->nr_irq = gic_irqs - domain->hwirq_base;
+	domain->irq_base = irq_alloc_descs(irq_start, 16, domain->nr_irq,
+					   numa_node_id());
+	if (IS_ERR_VALUE(domain->irq_base)) {
+		WARN(1, "Cannot allocate irq_descs @ IRQ%d, assuming pre-allocated\n",
+		     irq_start);
+		domain->irq_base = irq_start;
+	}
+	domain->priv = gic;
+	domain->ops = &gic_irq_domain_ops;
+	irq_domain_add(domain);
 
 	gic_chip.flags |= gic_arch_extn.flags;
-	gic_dist_init(gic, irq_start);
+	gic_dist_init(gic);
 	gic_cpu_init(gic);
 	gic_pm_init(gic);
 }
···
 
 	/* this always happens on GIC0 */
 	writel_relaxed(map << 16 | irq, gic_data[0].dist_base + GIC_DIST_SOFTINT);
+}
+#endif
+
+#ifdef CONFIG_OF
+static int gic_cnt __initdata = 0;
+
+int __init gic_of_init(struct device_node *node, struct device_node *parent)
+{
+	void __iomem *cpu_base;
+	void __iomem *dist_base;
+	int irq;
+	struct irq_domain *domain = &gic_data[gic_cnt].domain;
+
+	if (WARN_ON(!node))
+		return -ENODEV;
+
+	dist_base = of_iomap(node, 0);
+	WARN(!dist_base, "unable to map gic dist registers\n");
+
+	cpu_base = of_iomap(node, 1);
+	WARN(!cpu_base, "unable to map gic cpu registers\n");
+
+	domain->of_node = of_node_get(node);
+
+	gic_init(gic_cnt, -1, dist_base, cpu_base);
+
+	if (parent) {
+		irq = irq_of_parse_and_map(node, 0);
+		gic_cascade_irq(gic_cnt, irq);
+	}
+	gic_cnt++;
+	return 0;
 }
 #endif

arch/arm/include/asm/hardware/gic.h

···
 #define GIC_DIST_SOFTINT		0xf00
 
 #ifndef __ASSEMBLY__
+#include <linux/irqdomain.h>
+struct device_node;
+
 extern void __iomem *gic_cpu_base_addr;
 extern struct irq_chip gic_arch_extn;
 
-void gic_init(unsigned int, unsigned int, void __iomem *, void __iomem *);
+void gic_init(unsigned int, int, void __iomem *, void __iomem *);
+int gic_of_init(struct device_node *node, struct device_node *parent);
 void gic_secondary_init(unsigned int);
 void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
 void gic_raise_softirq(const struct cpumask *mask, unsigned int irq);
 
 struct gic_chip_data {
-	unsigned int irq_offset;
 	void __iomem *dist_base;
 	void __iomem *cpu_base;
 #ifdef CONFIG_CPU_PM
···
 	u32 saved_spi_target[DIV_ROUND_UP(1020, 4)];
 	u32 __percpu *saved_ppi_enable;
 	u32 __percpu *saved_ppi_conf;
+#endif
+#ifdef CONFIG_IRQ_DOMAIN
+	struct irq_domain domain;
 #endif
 	unsigned int gic_irqs;
 };

arch/arm/mach-at91/Kconfig

···
 
 # ----------------------------------------------------------
 
+comment "Generic Board Type"
+
+config MACH_AT91SAM_DT
+	bool "Atmel AT91SAM Evaluation Kits with device-tree support"
+	select USE_OF
+	help
+	  Select this if you want to experiment device-tree with
+	  an Atmel Evaluation Kit.
+
+# ----------------------------------------------------------
+
 comment "AT91 Board Options"
 
 config MTD_AT91_DATAFLASH_CARD

arch/arm/mach-at91/Makefile

···
 # AT91SAM9G45 board-specific support
 obj-$(CONFIG_MACH_AT91SAM9M10G45EK) += board-sam9m10g45ek.o
 
+# AT91SAM board with device-tree
+obj-$(CONFIG_MACH_AT91SAM_DT) += board-dt.o
+
 # AT91CAP9 board-specific support
 obj-$(CONFIG_MACH_AT91CAP9ADK)	+= board-cap9adk.o
 

arch/arm/mach-at91/Makefile.boot

···
 params_phys-y	:= 0x20000100
 initrd_phys-y	:= 0x20410000
 endif
+
+dtb-$(CONFIG_MACH_AT91SAM_DT) += at91sam9m10g45ek.dtb usb_a9g20.dtb

arch/arm/mach-at91/at91sam9260.c

···
 	CLKDEV_CON_DEV_ID("t4_clk", "atmel_tcb.1", &tc4_clk),
 	CLKDEV_CON_DEV_ID("t5_clk", "atmel_tcb.1", &tc5_clk),
 	CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc_clk),
+	/* more usart lookup table for DT entries */
+	CLKDEV_CON_DEV_ID("usart", "fffff200.serial", &mck),
+	CLKDEV_CON_DEV_ID("usart", "fffb0000.serial", &usart0_clk),
+	CLKDEV_CON_DEV_ID("usart", "fffb4000.serial", &usart1_clk),
+	CLKDEV_CON_DEV_ID("usart", "fffb8000.serial", &usart2_clk),
+	CLKDEV_CON_DEV_ID("usart", "fffd0000.serial", &usart3_clk),
+	CLKDEV_CON_DEV_ID("usart", "fffd4000.serial", &usart4_clk),
+	CLKDEV_CON_DEV_ID("usart", "fffd8000.serial", &usart5_clk),
 	/* fake hclk clock */
 	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &ohci_clk),
 };

arch/arm/mach-at91/at91sam9g45.c

···
 	CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
 	CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
 	CLKDEV_CON_DEV_ID(NULL, "atmel-trng", &trng_clk),
+	/* more usart lookup table for DT entries */
+	CLKDEV_CON_DEV_ID("usart", "ffffee00.serial", &mck),
+	CLKDEV_CON_DEV_ID("usart", "fff8c000.serial", &usart0_clk),
+	CLKDEV_CON_DEV_ID("usart", "fff90000.serial", &usart1_clk),
+	CLKDEV_CON_DEV_ID("usart", "fff94000.serial", &usart2_clk),
+	CLKDEV_CON_DEV_ID("usart", "fff98000.serial", &usart3_clk),
 	/* fake hclk clock */
 	CLKDEV_CON_DEV_ID("hclk", "at91_ohci", &uhphs_clk),
 };

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

···
+/*
+ *  Setup code for AT91SAM Evaluation Kits with Device Tree support
+ *
+ *  Covers: * AT91SAM9G45-EKES  board
+ *          * AT91SAM9M10-EKES  board
+ *          * AT91SAM9M10G45-EK board
+ *
+ *  Copyright (C) 2011 Atmel,
+ *                2011 Nicolas Ferre <[e-mail]>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+
+#include <mach/hardware.h>
+#include <mach/board.h>
+#include <mach/system_rev.h>
+#include <mach/at91sam9_smc.h>
+
+#include <asm/setup.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include "sam9_smc.h"
+#include "generic.h"
+
+
+static void __init ek_init_early(void)
+{
+	/* Initialize processor: 12.000 MHz crystal */
+	at91_initialize(12000000);
+
+	/* DGBU on ttyS0. (Rx & Tx only) */
+	at91_register_uart(0, 0, 0);
+
+	/* set serial console to ttyS0 (ie, DBGU) */
+	at91_set_serial_console(0);
+}
+
+/* det_pin is not connected */
+static struct atmel_nand_data __initdata ek_nand_data = {
+	.ale		= 21,
+	.cle		= 22,
+	.rdy_pin	= AT91_PIN_PC8,
+	.enable_pin	= AT91_PIN_PC14,
+};
+
+static struct sam9_smc_config __initdata ek_nand_smc_config = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 2,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 2,
+
+	.ncs_read_pulse		= 4,
+	.nrd_pulse		= 4,
+	.ncs_write_pulse	= 4,
+	.nwe_pulse		= 4,
+
+	.read_cycle		= 7,
+	.write_cycle		= 7,
+
+	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
+	.tdf_cycles		= 3,
+};
+
+static void __init ek_add_device_nand(void)
+{
+	ek_nand_data.bus_width_16 = board_have_nand_16bit();
+	/* setup bus-width (8 or 16) */
+	if (ek_nand_data.bus_width_16)
+		ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
+	else
+		ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
+
+	/* configure chip-select 3 (NAND) */
+	sam9_smc_configure(3, &ek_nand_smc_config);
+
+	at91_add_device_nand(&ek_nand_data);
+}
+
+static const struct of_device_id aic_of_match[] __initconst = {
+	{ .compatible = "atmel,at91rm9200-aic", },
+	{},
+};
+
+static void __init at91_dt_init_irq(void)
+{
+	irq_domain_generate_simple(aic_of_match, 0xfffff000, 0);
+	at91_init_irq_default();
+}
+
+static void __init at91_dt_device_init(void)
+{
+	of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+	/* NAND */
+	ek_add_device_nand();
+}
+
+static const char *at91_dt_board_compat[] __initdata = {
+	"atmel,at91sam9m10g45ek",
+	"calao,usb-a9g20",
+	NULL
+};
+
+DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM (Device Tree)")
+	/* Maintainer: Atmel */
+	.timer		= &at91sam926x_timer,
+	.map_io		= at91_map_io,
+	.init_early	= ek_init_early,
+	.init_irq	= at91_dt_init_irq,
+	.init_machine	= at91_dt_device_init,
+	.dt_compat	= at91_dt_board_compat,
+MACHINE_END

arch/arm/mach-msm/board-msm8x60.c

···
-/* Copyright (c) 2010, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2010, 2011, Code Aurora Forum. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
···
  * 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.
- *
  */
 
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
 #include <linux/memblock.h>
 
 #include <asm/mach-types.h>
···
 {
 }
 
+#ifdef CONFIG_OF
+static struct of_dev_auxdata msm_auxdata_lookup[] __initdata = {
+	{}
+};
+
+static struct of_device_id msm_dt_gic_match[] __initdata = {
+	{ .compatible = "qcom,msm-8660-qgic", },
+	{}
+};
+
+static void __init msm8x60_dt_init(void)
+{
+	struct device_node *node;
+
+	node = of_find_matching_node_by_address(NULL, msm_dt_gic_match,
+			MSM8X60_QGIC_DIST_PHYS);
+	if (node)
+		irq_domain_add_simple(node, GIC_SPI_START);
+
+	if (of_machine_is_compatible("qcom,msm8660-surf")) {
+		printk(KERN_INFO "Init surf UART registers\n");
+		msm8x60_init_uart12dm();
+	}
+
+	of_platform_populate(NULL, of_default_bus_match_table,
+			msm_auxdata_lookup, NULL);
+}
+
+static const char *msm8x60_fluid_match[] __initdata = {
+	"qcom,msm8660-fluid",
+	"qcom,msm8660-surf",
+	NULL
+};
+#endif /* CONFIG_OF */
+
 MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3")
 	.fixup = msm8x60_fixup,
 	.reserve = msm8x60_reserve,
···
 	.init_machine = msm8x60_init,
 	.timer = &msm_timer,
 MACHINE_END
+
+#ifdef CONFIG_OF
+/* TODO: General device tree support for all MSM. */
+DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)")
+	.map_io = msm8x60_map_io,
+	.init_irq = msm8x60_init_irq,
+	.init_machine = msm8x60_dt_init,
+	.timer = &msm_timer,
+	.dt_compat = msm8x60_fluid_match,
+MACHINE_END
+#endif /* CONFIG_OF */

arch/arm/mach-mx5/Kconfig

···
 
 comment "i.MX51 machines:"
 
+config MACH_IMX51_DT
+	bool "Support i.MX51 platforms from device tree"
+	select SOC_IMX51
+	select USE_OF
+	select MACH_MX51_BABBAGE
+	help
+	  Include support for Freescale i.MX51 based platforms
+	  using the device tree for discovery
+
 config MACH_MX51_BABBAGE
 	bool "Support MX51 BABBAGE platforms"
 	select SOC_IMX51
···
 	  configurations for the board and its peripherals.
 
 comment "i.MX53 machines:"
+
+config MACH_IMX53_DT
+	bool "Support i.MX53 platforms from device tree"
+	select SOC_IMX53
+	select USE_OF
+	select MACH_MX53_ARD
+	select MACH_MX53_EVK
+	select MACH_MX53_LOCO
+	select MACH_MX53_SMD
+	help
+	  Include support for Freescale i.MX53 based platforms
+	  using the device tree for discovery
 
 config MACH_MX53_EVK
 	bool "Support MX53 EVK platforms"

arch/arm/mach-mx5/Makefile

···
 obj-$(CONFIG_MACH_MX51_EFIKAMX) += board-mx51_efikamx.o
 obj-$(CONFIG_MACH_MX51_EFIKASB) += board-mx51_efikasb.o
 obj-$(CONFIG_MACH_MX50_RDP) += board-mx50_rdp.o
+
+obj-$(CONFIG_MACH_IMX51_DT) += imx51-dt.o
+obj-$(CONFIG_MACH_IMX53_DT) += imx53-dt.o

arch/arm/mach-mx5/board-mx51_babbage.c

···
 	.wp_type = ESDHC_WP_GPIO,
 };
 
+void __init imx51_babbage_common_init(void)
+{
+	mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
+					 ARRAY_SIZE(mx51babbage_pads));
+}
+
 /*
  * Board specific initialization.
  */
···
 #if defined(CONFIG_CPU_FREQ_IMX)
 	get_cpu_op = mx51_get_cpu_op;
 #endif
-	mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
-					ARRAY_SIZE(mx51babbage_pads));
+	imx51_babbage_common_init();
 
 	imx51_add_imx_uart(0, &uart_pdata);
 	imx51_add_imx_uart(1, NULL);

arch/arm/mach-mx5/board-mx53_ard.c

···
 
 static void __init mx53_ard_io_init(void)
 {
-	mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
-				ARRAY_SIZE(mx53_ard_pads));
-
 	gpio_request(ARD_ETHERNET_INT_B, "eth-int-b");
 	gpio_direction_input(ARD_ETHERNET_INT_B);
 
···
 	return 0;
 }
 
+void __init imx53_ard_common_init(void)
+{
+	mxc_iomux_v3_setup_multiple_pads(mx53_ard_pads,
+					 ARRAY_SIZE(mx53_ard_pads));
+	weim_cs_config();
+}
+
 static struct platform_device *devices[] __initdata = {
 	&ard_smsc_lan9220_device,
 };
···
 	imx53_soc_init();
 	imx53_add_imx_uart(0, NULL);
 
+	imx53_ard_common_init();
 	mx53_ard_io_init();
-	weim_cs_config();
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 
 	imx53_add_sdhci_esdhc_imx(0, &mx53_ard_sd1_data);

arch/arm/mach-mx5/board-mx53_evk.c

···
 	.num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs),
 };
 
+void __init imx53_evk_common_init(void)
+{
+	mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
+					 ARRAY_SIZE(mx53_evk_pads));
+}
+
 static void __init mx53_evk_board_init(void)
 {
 	imx53_soc_init();
+	imx53_evk_common_init();
 
-	mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
-					ARRAY_SIZE(mx53_evk_pads));
 	mx53_evk_init_uart();
 	mx53_evk_fec_reset();
 	imx53_add_fec(&mx53_evk_fec_pdata);

arch/arm/mach-mx5/board-mx53_loco.c

···
 	.num_leds	= ARRAY_SIZE(mx53loco_leds),
 };
 
+void __init imx53_qsb_common_init(void)
+{
+	mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
+					 ARRAY_SIZE(mx53_loco_pads));
+}
+
 static struct i2c_board_info mx53loco_i2c_devices[] = {
 	{
 		I2C_BOARD_INFO("mma8450", 0x1C),
···
 {
 	int ret;
 	imx53_soc_init();
+	imx53_qsb_common_init();
 
-	mxc_iomux_v3_setup_multiple_pads(mx53_loco_pads,
-					ARRAY_SIZE(mx53_loco_pads));
 	imx53_add_imx_uart(0, NULL);
 	mx53_loco_fec_reset();
 	imx53_add_fec(&mx53_loco_fec_data);

arch/arm/mach-mx5/board-mx53_smd.c

···
 	}
 }
 
+void __init imx53_smd_common_init(void)
+{
+	mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads,
+					 ARRAY_SIZE(mx53_smd_pads));
+}
+
 static void __init mx53_smd_board_init(void)
 {
 	imx53_soc_init();
+	imx53_smd_common_init();
 
-	mxc_iomux_v3_setup_multiple_pads(mx53_smd_pads,
-					ARRAY_SIZE(mx53_smd_pads));
 	mx53_smd_init_uart();
 	mx53_smd_fec_reset();
 	imx53_add_fec(&mx53_smd_fec_data);

arch/arm/mach-mx5/clock-mx51-mx53.c

···
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/clkdev.h>
+#include <linux/of.h>
 
 #include <asm/div64.h>
 
···
 	mxc_timer_init(&gpt_clk, MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR),
 		MX53_INT_GPT);
 	return 0;
+}
+
+static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc,
+				   unsigned long *ckih1, unsigned long *ckih2)
+{
+	struct device_node *np;
+
+	/* retrieve the freqency of fixed clocks from device tree */
+	for_each_compatible_node(np, NULL, "fixed-clock") {
+		u32 rate;
+		if (of_property_read_u32(np, "clock-frequency", &rate))
+			continue;
+
+		if (of_device_is_compatible(np, "fsl,imx-ckil"))
+			*ckil = rate;
+		else if (of_device_is_compatible(np, "fsl,imx-osc"))
+			*osc = rate;
+		else if (of_device_is_compatible(np, "fsl,imx-ckih1"))
+			*ckih1 = rate;
+		else if (of_device_is_compatible(np, "fsl,imx-ckih2"))
+			*ckih2 = rate;
+	}
+}
+
+int __init mx51_clocks_init_dt(void)
+{
+	unsigned long ckil, osc, ckih1, ckih2;
+
+	clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
+	return mx51_clocks_init(ckil, osc, ckih1, ckih2);
+}
+
+int __init mx53_clocks_init_dt(void)
+{
+	unsigned long ckil, osc, ckih1, ckih2;
+
+	clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
+	return mx53_clocks_init(ckil, osc, ckih1, ckih2);
 }

arch/arm/mach-mx5/imx51-dt.c

···
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/common.h>
+#include <mach/mx51.h>
+
+/*
+ * Lookup table for attaching a specific name and platform_data pointer to
+ * devices as they get created by of_platform_populate().  Ideally this table
+ * would not exist, but the current clock implementation depends on some devices
+ * having a specific name.
+ */
+static const struct of_dev_auxdata imx51_auxdata_lookup[] __initconst = {
+	OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART1_BASE_ADDR, "imx21-uart.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART2_BASE_ADDR, "imx21-uart.1", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-uart", MX51_UART3_BASE_ADDR, "imx21-uart.2", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-fec", MX51_FEC_BASE_ADDR, "imx27-fec.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx51.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx51.1", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx51.2", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-esdhc", MX51_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx51.3", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-ecspi", MX51_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-ecspi", MX51_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-cspi", MX51_CSPI_BASE_ADDR, "imx35-cspi.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-i2c", MX51_I2C1_BASE_ADDR, "imx-i2c.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-i2c", MX51_I2C2_BASE_ADDR, "imx-i2c.1", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-sdma", MX51_SDMA_BASE_ADDR, "imx35-sdma", NULL),
+	OF_DEV_AUXDATA("fsl,imx51-wdt", MX51_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL),
+	{ /* sentinel */ }
+};
+
+static void __init imx51_tzic_add_irq_domain(struct device_node *np,
+				struct device_node *interrupt_parent)
+{
+	irq_domain_add_simple(np, 0);
+}
+
+static void __init imx51_gpio_add_irq_domain(struct device_node *np,
+				struct device_node *interrupt_parent)
+{
+	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
+				   32 * 4; /* imx51 gets 4 gpio ports */
+
+	irq_domain_add_simple(np, gpio_irq_base);
+	gpio_irq_base += 32;
+}
+
+static const struct of_device_id imx51_irq_match[] __initconst = {
+	{ .compatible = "fsl,imx51-tzic", .data = imx51_tzic_add_irq_domain, },
+	{ .compatible = "fsl,imx51-gpio", .data = imx51_gpio_add_irq_domain, },
+	{ /* sentinel */ }
+};
+
+static const struct of_device_id imx51_iomuxc_of_match[] __initconst = {
+	{ .compatible = "fsl,imx51-iomuxc-babbage", .data = imx51_babbage_common_init, },
+	{ /* sentinel */ }
+};
+
+static void __init imx51_dt_init(void)
+{
+	struct device_node *node;
+	const struct of_device_id *of_id;
+	void (*func)(void);
+
+	of_irq_init(imx51_irq_match);
+
+	node = of_find_matching_node(NULL, imx51_iomuxc_of_match);
+	if (node) {
+		of_id = of_match_node(imx51_iomuxc_of_match, node);
+		func = of_id->data;
+		func();
+		of_node_put(node);
+	}
+
+	of_platform_populate(NULL, of_default_bus_match_table,
+			     imx51_auxdata_lookup, NULL);
+}
+
+static void __init imx51_timer_init(void)
+{
+	mx51_clocks_init_dt();
+}
+
+static struct sys_timer imx51_timer = {
+	.init = imx51_timer_init,
+};
+
+static const char *imx51_dt_board_compat[] __initdata = {
+	"fsl,imx51-babbage",
+	NULL
+};
+
+DT_MACHINE_START(IMX51_DT, "Freescale i.MX51 (Device Tree Support)")
+	.map_io		= mx51_map_io,
+	.init_early	= imx51_init_early,
+	.init_irq	= mx51_init_irq,
+	.handle_irq	= imx51_handle_irq,
+	.timer		= &imx51_timer,
+	.init_machine	= imx51_dt_init,
+	.dt_compat	= imx51_dt_board_compat,
+MACHINE_END

arch/arm/mach-mx5/imx53-dt.c

···
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <mach/common.h>
+#include <mach/mx53.h>
+
+/*
+ * Lookup table for attaching a specific name and platform_data pointer to
+ * devices as they get created by of_platform_populate().  Ideally this table
+ * would not exist, but the current clock implementation depends on some devices
+ * having a specific name.
+ */
+static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = {
+	OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART1_BASE_ADDR, "imx21-uart.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART2_BASE_ADDR, "imx21-uart.1", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART3_BASE_ADDR, "imx21-uart.2", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART4_BASE_ADDR, "imx21-uart.3", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART5_BASE_ADDR, "imx21-uart.4", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-fec", MX53_FEC_BASE_ADDR, "imx25-fec.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx53.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx53.1", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx53.2", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx53.3", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-cspi", MX53_CSPI_BASE_ADDR, "imx35-cspi.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C1_BASE_ADDR, "imx-i2c.0", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C2_BASE_ADDR, "imx-i2c.1", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C3_BASE_ADDR, "imx-i2c.2", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-sdma", MX53_SDMA_BASE_ADDR, "imx35-sdma", NULL),
+	OF_DEV_AUXDATA("fsl,imx53-wdt", MX53_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL),
+	{ /* sentinel */ }
+};
+
+static void __init imx53_tzic_add_irq_domain(struct device_node *np,
+				struct device_node *interrupt_parent)
+{
+	irq_domain_add_simple(np, 0);
+}
+
+static void __init imx53_gpio_add_irq_domain(struct device_node *np,
+				struct device_node *interrupt_parent)
+{
+	static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
+				   32 * 7; /* imx53 gets 7 gpio ports */
+
+	irq_domain_add_simple(np, gpio_irq_base);
+	gpio_irq_base += 32;
+}
+
+static const struct of_device_id imx53_irq_match[] __initconst = {
+	{ .compatible = "fsl,imx53-tzic", .data = imx53_tzic_add_irq_domain, },
+	{ .compatible = "fsl,imx53-gpio", .data = imx53_gpio_add_irq_domain, },
+	{ /* sentinel */ }
+};
+
+static const struct of_device_id imx53_iomuxc_of_match[] __initconst = {
+	{ .compatible = "fsl,imx53-iomuxc-ard", .data = imx53_ard_common_init, },
+	{ .compatible = "fsl,imx53-iomuxc-evk", .data = imx53_evk_common_init, },
+	{ .compatible = "fsl,imx53-iomuxc-qsb", .data = imx53_qsb_common_init, },
+	{ .compatible = "fsl,imx53-iomuxc-smd", .data = imx53_smd_common_init, },
+	{ /* sentinel */ }
+};
+
+static void __init imx53_dt_init(void)
+{
+	struct device_node *node;
+	const struct of_device_id *of_id;
+	void (*func)(void);
+
+	of_irq_init(imx53_irq_match);
+
+	node = of_find_matching_node(NULL, imx53_iomuxc_of_match);
+	if (node) {
+		of_id = of_match_node(imx53_iomuxc_of_match, node);
+		func = of_id->data;
+		func();
+		of_node_put(node);
+	}
+
+	of_platform_populate(NULL, of_default_bus_match_table,
+			     imx53_auxdata_lookup, NULL);
+}
+
+static void __init imx53_timer_init(void)
+{
+	mx53_clocks_init_dt();
+}
+
+static struct sys_timer imx53_timer = {
+	.init = imx53_timer_init,
+};
+
+static const char *imx53_dt_board_compat[] __initdata = {
+	"fsl,imx53-ard",
+	"fsl,imx53-evk",
+	"fsl,imx53-qsb",
+	"fsl,imx53-smd",
+	NULL
+};
+
+DT_MACHINE_START(IMX53_DT, "Freescale i.MX53 (Device Tree Support)")
+	.map_io		= mx53_map_io,
+	.init_early	= imx53_init_early,
+	.init_irq	= mx53_init_irq,
+	.handle_irq	= imx53_handle_irq,
+	.timer		= &imx53_timer,
+	.init_machine	= imx53_dt_init,
+	.dt_compat	= imx53_dt_board_compat,
+MACHINE_END

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

···
 			unsigned long ckih1, unsigned long ckih2);
 extern int mx53_clocks_init(unsigned long ckil, unsigned long osc,
 			unsigned long ckih1, unsigned long ckih2);
+extern int mx51_clocks_init_dt(void);
+extern int mx53_clocks_init_dt(void);
 extern struct platform_device *mxc_register_gpio(char *name, int id,
 	resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
 extern void mxc_set_cpu_type(unsigned int type);
···
 #define imx51_handle_irq tzic_handle_irq
 #define imx53_handle_irq tzic_handle_irq
 
+extern void imx51_babbage_common_init(void);
+extern void imx53_ard_common_init(void);
+extern void imx53_evk_common_init(void);
+extern void imx53_qsb_common_init(void);
+extern void imx53_smd_common_init(void);
 #endif

drivers/of/irq.c

···
  */
 
 #include <linux/errno.h>
+#include <linux/list.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_irq.h>
 #include <linux/string.h>
+#include <linux/slab.h>
 
 /* For archs that don't support NO_IRQ (such as x86), provide a dummy value */
 #ifndef NO_IRQ
···
 			break;
 
 	return i;
+}
+
+struct intc_desc {
+	struct list_head	list;
+	struct device_node	*dev;
+	struct device_node	*interrupt_parent;
+};
+
+/**
+ * of_irq_init - Scan and init matching interrupt controllers in DT
+ * @matches: 0 terminated array of nodes to match and init function to call
+ *
+ * This function scans the device tree for matching interrupt controller nodes,
+ * and calls their initialization functions in order with parents first.
+ */
+void __init of_irq_init(const struct of_device_id *matches)
+{
+	struct device_node *np, *parent = NULL;
+	struct intc_desc *desc, *temp_desc;
+	struct list_head intc_desc_list, intc_parent_list;
+
+	INIT_LIST_HEAD(&intc_desc_list);
+	INIT_LIST_HEAD(&intc_parent_list);
+
+	for_each_matching_node(np, matches) {
+		if (!of_find_property(np, "interrupt-controller", NULL))
+			continue;
+		/*
+		 * Here, we allocate and populate an intc_desc with the node
+		 * pointer, interrupt-parent device_node etc.
+		 */
+		desc = kzalloc(sizeof(*desc), GFP_KERNEL);
+		if (WARN_ON(!desc))
+			goto err;
+
+		desc->dev = np;
+		desc->interrupt_parent = of_irq_find_parent(np);
+		list_add_tail(&desc->list, &intc_desc_list);
+	}
+
+	/*
+	 * The root irq controller is the one without an interrupt-parent.
+	 * That one goes first, followed by the controllers that reference it,
+	 * followed by the ones that reference the 2nd level controllers, etc.
+	 */
+	while (!list_empty(&intc_desc_list)) {
+		/*
+		 * Process all controllers with the current 'parent'.
+		 * First pass will be looking for NULL as the parent.
+		 * The assumption is that NULL parent means a root controller.
+		 */
+		list_for_each_entry_safe(desc, temp_desc, &intc_desc_list, list) {
+			const struct of_device_id *match;
+			int ret;
+			of_irq_init_cb_t irq_init_cb;
+
+			if (desc->interrupt_parent != parent)
+				continue;
+
+			list_del(&desc->list);
+			match = of_match_node(matches, desc->dev);
+			if (WARN(!match->data,
+			    "of_irq_init: no init function for %s\n",
+			    match->compatible)) {
+				kfree(desc);
+				continue;
+			}
+
+			pr_debug("of_irq_init: init %s @ %p, parent %p\n",
+				 match->compatible,
+				 desc->dev, desc->interrupt_parent);
+			irq_init_cb = match->data;
+			ret = irq_init_cb(desc->dev, desc->interrupt_parent);
+			if (ret) {
+				kfree(desc);
+				continue;
+			}
+
+			/*
+			 * This one is now set up; add it to the parent list so
+			 * its children can get processed in a subsequent pass.
+			 */
+			list_add_tail(&desc->list, &intc_parent_list);
+		}
+
+		/* Get the next pending parent that might have children */
+		desc = list_first_entry(&intc_parent_list, typeof(*desc), list);
+		if (list_empty(&intc_parent_list) || !desc) {
+			pr_err("of_irq_init: children remain, but no parents\n");
+			break;
+		}
+		list_del(&desc->list);
+		parent = desc->dev;
+		kfree(desc);
+	}
+
+	list_for_each_entry_safe(desc, temp_desc, &intc_parent_list, list) {
+		list_del(&desc->list);
+		kfree(desc);
+	}
+err:
+	list_for_each_entry_safe(desc, temp_desc, &intc_desc_list, list) {
+		list_del(&desc->list);
+		kfree(desc);
+	}
 }

drivers/tty/serial/msm_serial.c

···
 # define SUPPORT_SYSRQ
 #endif
 
+#include <linux/atomic.h>
 #include <linux/hrtimer.h>
 #include <linux/module.h>
 #include <linux/io.h>
···
 #include <linux/clk.h>
 #include <linux/platform_device.h>
 #include <linux/delay.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 
 #include "msm_serial.h"
 
···
 		iowrite32(GSBI_PROTOCOL_IDLE, msm_port->gsbi_base +
 			  GSBI_CONTROL);
 
-		gsbi_resource = platform_get_resource_byname(pdev,
-							     IORESOURCE_MEM,
-							     "gsbi_resource");
+		gsbi_resource = platform_get_resource(pdev,
+							IORESOURCE_MEM, 1);
 
 		if (unlikely(!gsbi_resource))
 			return;
···
 	resource_size_t size;
 	int ret;
 
-	uart_resource = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						     "uart_resource");
+	uart_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (unlikely(!uart_resource))
 		return -ENXIO;
 
···
 		goto fail_release_port;
 	}
 
-	gsbi_resource = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						     "gsbi_resource");
+	gsbi_resource = platform_get_resource(pdev, IORESOURCE_MEM, 1);
 	/* Is this a GSBI-based port? */
 	if (gsbi_resource) {
 		size = resource_size(gsbi_resource);
···
 	.cons = MSM_CONSOLE,
 };
 
+static atomic_t msm_uart_next_id = ATOMIC_INIT(0);
+
 static int __init msm_serial_probe(struct platform_device *pdev)
 {
 	struct msm_port *msm_port;
 	struct resource *resource;
 	struct uart_port *port;
 	int irq;
+
+	if (pdev->id == -1)
+		pdev->id = atomic_inc_return(&msm_uart_next_id) - 1;
 
 	if (unlikely(pdev->id < 0 || pdev->id >= UART_NR))
 		return -ENXIO;
···
 	port->dev = &pdev->dev;
 	msm_port = UART_TO_MSM(port);
 
-	if (platform_get_resource_byname(pdev, IORESOURCE_MEM, "gsbi_resource"))
+	if (platform_get_resource(pdev, IORESOURCE_MEM, 1))
 		msm_port->is_uartdm = 1;
 	else
 		msm_port->is_uartdm = 0;
···
 	printk(KERN_INFO "uartclk = %d\n", port->uartclk);
 
 
-	resource = platform_get_resource_byname(pdev, IORESOURCE_MEM,
-						     "uart_resource");
+	resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (unlikely(!resource))
 		return -ENXIO;
 	port->mapbase = resource->start;
···
 	return 0;
 }
 
+static struct of_device_id msm_match_table[] = {
+	{ .compatible = "qcom,msm-uart" },
+	{}
+};
+
 static struct platform_driver msm_platform_driver = {
 	.remove = msm_serial_remove,
 	.driver = {
 		.name = "msm_serial",
 		.owner = THIS_MODULE,
+		.of_match_table = msm_match_table,
 	},
 };
 

include/linux/irqdomain.h

···
  *            of the irq_domain is responsible for allocating the array of
  *            irq_desc structures.
  * @nr_irq: Number of irqs managed by the irq domain
+ * @hwirq_base: Starting number for hwirqs managed by the irq domain
  * @ops: pointer to irq_domain methods
  * @priv: private data pointer for use by owner.  Not touched by irq_domain
  *        core code.
···
 	struct list_head list;
 	unsigned int irq_base;
 	unsigned int nr_irq;
+	unsigned int hwirq_base;
 	const struct irq_domain_ops *ops;
 	void *priv;
 	struct device_node *of_node;
···
 static inline unsigned int irq_domain_to_irq(struct irq_domain *d,
 					     unsigned long hwirq)
 {
-	return d->ops->to_irq ? d->ops->to_irq(d, hwirq) : d->irq_base + hwirq;
+	if (d->ops->to_irq)
+		return d->ops->to_irq(d, hwirq);
+	if (WARN_ON(hwirq < d->hwirq_base))
+		return 0;
+	return d->irq_base + hwirq - d->hwirq_base;
 }
+
+#define irq_domain_for_each_hwirq(d, hw) \
+	for (hw = d->hwirq_base; hw < d->hwirq_base + d->nr_irq; hw++)
+
+#define irq_domain_for_each_irq(d, hw, irq) \
+	for (hw = d->hwirq_base, irq = irq_domain_to_irq(d, hw); \
+	     hw < d->hwirq_base + d->nr_irq; \
+	     hw++, irq = irq_domain_to_irq(d, hw))
 
 extern void irq_domain_add(struct irq_domain *domain);
 extern void irq_domain_del(struct irq_domain *domain);

include/linux/of_irq.h

···
 	u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
 };
 
+typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *);
+
 /*
  * Workarounds only applied to 32bit powermac machines
  */
···
 		struct resource *res, int nr_irqs);
 extern struct device_node *of_irq_find_parent(struct device_node *child);
 
+extern void of_irq_init(const struct of_device_id *matches);
 
 #endif /* CONFIG_OF_IRQ */
 #endif /* CONFIG_OF */

kernel/irq/irqdomain.c

···
 void irq_domain_add(struct irq_domain *domain)
 {
 	struct irq_data *d;
-	int hwirq;
+	int hwirq, irq;
 
 	/*
 	 * This assumes that the irq_domain owner has already allocated
 	 * the irq_descs.  This block will be removed when support for dynamic
 	 * allocation of irq_descs is added to irq_domain.
 	 */
-	for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
-		d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
+	irq_domain_for_each_irq(domain, hwirq, irq) {
+		d = irq_get_irq_data(irq);
 		if (!d) {
 			WARN(1, "error: assigning domain to non existant irq_desc");
 			return;
···
 void irq_domain_del(struct irq_domain *domain)
 {
 	struct irq_data *d;
-	int hwirq;
+	int hwirq, irq;
 
 	mutex_lock(&irq_domain_mutex);
 	list_del(&domain->list);
 	mutex_unlock(&irq_domain_mutex);
 
 	/* Clear the irq_domain assignments */
-	for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
-		d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
+	irq_domain_for_each_irq(domain, hwirq, irq) {
+		d = irq_get_irq_data(irq);
 		d->domain = NULL;
 	}
 }