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Commit bc3a59c1 authored by Dong Aisheng's avatar Dong Aisheng Committed by Shawn Guo
Browse files

ARM: mxs: add initial device tree support for imx28-evk board 



This patch includes basic dt support which can boot via nfs rootfs.

Signed-off-by: default avatarDong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
Acked-by: default avatarMarek Vasut <marex@denx.de>
parent 844d0b5a

Documentation/devicetree/bindings/arm/fsl.txt

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Original line number Diff line number Diff line 
Freescale i.MX Platforms Device Tree Bindings

-----------------------------------------------



i.MX28 Evaluation Kit

Required root node properties:

    - compatible = "fsl,imx28-evk", "fsl,imx28";



i.MX51 Babbage Board

Required root node properties:

    - compatible = "fsl,imx51-babbage", "fsl,imx51";

arch/arm/boot/dts/imx28-evk.dts

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/*

 * Copyright 2012 Freescale Semiconductor, Inc.

 *

 * 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/ "imx28.dtsi"



/ {

	model = "Freescale i.MX28 Evaluation Kit";

	compatible = "fsl,imx28-evk", "fsl,imx28";



	memory {

		reg = <0x40000000 0x08000000>;

	};



	apb@80000000 {

		apbx@80040000 {

			duart: serial@80074000 {

				pinctrl-names = "default";

				pinctrl-0 = <&duart_pins_a>;

				status = "okay";

			};

		};

	};



	ahb@80080000 {

		mac0: ethernet@800f0000 {

			phy-mode = "rmii";

			pinctrl-names = "default";

			pinctrl-0 = <&mac0_pins_a>;

			status = "okay";

		};



		mac1: ethernet@800f4000 {

			phy-mode = "rmii";

			pinctrl-names = "default";

			pinctrl-0 = <&mac1_pins_a>;

			status = "okay";

		};

	};

};

arch/arm/boot/dts/imx28.dtsi

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/*

 * Copyright 2012 Freescale Semiconductor, Inc.

 *

 * 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"



/ {

	interrupt-parent = <&icoll>;



	cpus {

		cpu@0 {

			compatible = "arm,arm926ejs";

		};

	};



	apb@80000000 {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <1>;

		reg = <0x80000000 0x80000>;

		ranges;



		apbh@80000000 {

			compatible = "simple-bus";

			#address-cells = <1>;

			#size-cells = <1>;

			reg = <0x80000000 0x3c900>;

			ranges;



			icoll: interrupt-controller@80000000 {

				compatible = "fsl,imx28-icoll", "fsl,mxs-icoll";

				interrupt-controller;

				#interrupt-cells = <1>;

				reg = <0x80000000 0x2000>;

			};



			hsadc@80002000 {

				reg = <0x80002000 2000>;

				interrupts = <13 87>;

				status = "disabled";

			};



			dma-apbh@80004000 {

				reg = <0x80004000 2000>;

				status = "disabled";

			};



			perfmon@80006000 {

				reg = <0x80006000 800>;

				interrupts = <27>;

				status = "disabled";

			};



			bch@8000a000 {

				reg = <0x8000a000 2000>;

				interrupts = <41>;

				status = "disabled";

			};



			gpmi@8000c000 {

				reg = <0x8000c000 2000>;

				interrupts = <42 88>;

				status = "disabled";

			};



			ssp0: ssp@80010000 {

				reg = <0x80010000 2000>;

				interrupts = <96 82>;

				status = "disabled";

			};



			ssp1: ssp@80012000 {

				reg = <0x80012000 2000>;

				interrupts = <97 83>;

				status = "disabled";

			};



			ssp2: ssp@80014000 {

				reg = <0x80014000 2000>;

				interrupts = <98 84>;

				status = "disabled";

			};



			ssp3: ssp@80016000 {

				reg = <0x80016000 2000>;

				interrupts = <99 85>;

				status = "disabled";

			};



			pinctrl@80018000 {

				#address-cells = <1>;

				#size-cells = <0>;

				compatible = "fsl,imx28-pinctrl";

				reg = <0x80018000 2000>;



				duart_pins_a: duart@0 {

					reg = <0>;

					fsl,pinmux-ids = <0x3102 0x3112>;

					fsl,drive-strength = <0>;

					fsl,voltage = <1>;

					fsl,pull-up = <0>;

				};



				mac0_pins_a: mac0@0 {

					reg = <0>;

					fsl,pinmux-ids = <0x4000 0x4010 0x4020

						0x4030 0x4040 0x4060 0x4070

						0x4080 0x4100>;

					fsl,drive-strength = <1>;

					fsl,voltage = <1>;

					fsl,pull-up = <1>;

				};



				mac1_pins_a: mac1@0 {

					reg = <0>;

					fsl,pinmux-ids = <0x40f1 0x4091 0x40a1

						0x40e1 0x40b1 0x40c1>;

					fsl,drive-strength = <1>;

					fsl,voltage = <1>;

					fsl,pull-up = <1>;

				};

			};



			digctl@8001c000 {

				reg = <0x8001c000 2000>;

				interrupts = <89>;

				status = "disabled";

			};



			etm@80022000 {

				reg = <0x80022000 2000>;

				status = "disabled";

			};



			dma-apbx@80024000 {

				reg = <0x80024000 2000>;

				status = "disabled";

			};



			dcp@80028000 {

				reg = <0x80028000 2000>;

				interrupts = <52 53 54>;

				status = "disabled";

			};



			pxp@8002a000 {

				reg = <0x8002a000 2000>;

				interrupts = <39>;

				status = "disabled";

			};



			ocotp@8002c000 {

				reg = <0x8002c000 2000>;

				status = "disabled";

			};



			axi-ahb@8002e000 {

				reg = <0x8002e000 2000>;

				status = "disabled";

			};



			lcdif@80030000 {

				reg = <0x80030000 2000>;

				interrupts = <38 86>;

				status = "disabled";

			};



			can0: can@80032000 {

				reg = <0x80032000 2000>;

				interrupts = <8>;

				status = "disabled";

			};



			can1: can@80034000 {

				reg = <0x80034000 2000>;

				interrupts = <9>;

				status = "disabled";

			};



			simdbg@8003c000 {

				reg = <0x8003c000 200>;

				status = "disabled";

			};



			simgpmisel@8003c200 {

				reg = <0x8003c200 100>;

				status = "disabled";

			};



			simsspsel@8003c300 {

				reg = <0x8003c300 100>;

				status = "disabled";

			};



			simmemsel@8003c400 {

				reg = <0x8003c400 100>;

				status = "disabled";

			};



			gpiomon@8003c500 {

				reg = <0x8003c500 100>;

				status = "disabled";

			};



			simenet@8003c700 {

				reg = <0x8003c700 100>;

				status = "disabled";

			};



			armjtag@8003c800 {

				reg = <0x8003c800 100>;

				status = "disabled";

			};

                };



		apbx@80040000 {

			compatible = "simple-bus";

			#address-cells = <1>;

			#size-cells = <1>;

			reg = <0x80040000 0x40000>;

			ranges;



			clkctl@80040000 {

				reg = <0x80040000 2000>;

				status = "disabled";

			};



			saif0: saif@80042000 {

				reg = <0x80042000 2000>;

				interrupts = <59 80>;

				status = "disabled";

			};



			power@80044000 {

				reg = <0x80044000 2000>;

				status = "disabled";

			};



			saif1: saif@80046000 {

				reg = <0x80046000 2000>;

				interrupts = <58 81>;

				status = "disabled";

			};



			lradc@80050000 {

				reg = <0x80050000 2000>;

				status = "disabled";

			};



			spdif@80054000 {

				reg = <0x80054000 2000>;

				interrupts = <45 66>;

				status = "disabled";

			};



			rtc@80056000 {

				reg = <0x80056000 2000>;

				interrupts = <28 29>;

				status = "disabled";

			};



			i2c0: i2c@80058000 {

				reg = <0x80058000 2000>;

				interrupts = <111 68>;

				status = "disabled";

			};



			i2c1: i2c@8005a000 {

				reg = <0x8005a000 2000>;

				interrupts = <110 69>;

				status = "disabled";

			};



			pwm@80064000 {

				reg = <0x80064000 2000>;

				status = "disabled";

			};



			timrot@80068000 {

				reg = <0x80068000 2000>;

				status = "disabled";

			};



			auart0: serial@8006a000 {

				reg = <0x8006a000 0x2000>;

				interrupts = <112 70 71>;

				status = "disabled";

			};



			auart1: serial@8006c000 {

				reg = <0x8006c000 0x2000>;

				interrupts = <113 72 73>;

				status = "disabled";

			};



			auart2: serial@8006e000 {

				reg = <0x8006e000 0x2000>;

				interrupts = <114 74 75>;

				status = "disabled";

			};



			auart3: serial@80070000 {

				reg = <0x80070000 0x2000>;

				interrupts = <115 76 77>;

				status = "disabled";

			};



			auart4: serial@80072000 {

				reg = <0x80072000 0x2000>;

				interrupts = <116 78 79>;

				status = "disabled";

			};



			duart: serial@80074000 {

				compatible = "arm,pl011", "arm,primecell";

				reg = <0x80074000 0x1000>;

				interrupts = <47>;

				status = "disabled";

			};



			usbphy0: usbphy@8007c000 {

				reg = <0x8007c000 0x2000>;

				status = "disabled";

			};



			usbphy1: usbphy@8007e000 {

				reg = <0x8007e000 0x2000>;

				status = "disabled";

			};

		};

	};



	ahb@80080000 {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <1>;

		reg = <0x80080000 0x80000>;

		ranges;



		usbctrl0: usbctrl@80080000 {

			reg = <0x80080000 0x10000>;

			status = "disabled";

		};



		usbctrl1: usbctrl@80090000 {

			reg = <0x80090000 0x10000>;

			status = "disabled";

		};



		dflpt@800c0000 {

			reg = <0x800c0000 0x10000>;

			status = "disabled";

		};



		mac0: ethernet@800f0000 {

			compatible = "fsl,imx28-fec";

			reg = <0x800f0000 0x4000>;

			interrupts = <101>;

			status = "disabled";

		};



		mac1: ethernet@800f4000 {

			compatible = "fsl,imx28-fec";

			reg = <0x800f4000 0x4000>;

			interrupts = <102>;

			status = "disabled";

		};



		switch@800f8000 {

			reg = <0x800f8000 0x8000>;

			status = "disabled";

		};



	};

};

arch/arm/mach-mxs/Kconfig

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@@ -7,18 +7,28 @@ config MXS_OCOTP 


config SOC_IMX23

	bool

	select ARM_AMBA

	select CPU_ARM926T

	select HAVE_PWM

	select PINCTRL_IMX23



config SOC_IMX28

	bool

	select ARM_AMBA

	select CPU_ARM926T

	select HAVE_PWM

	select PINCTRL_IMX28



comment "MXS platforms:"



config MACH_MXS_DT

	bool "Support MXS platforms from device tree"

	select SOC_IMX28

	select USE_OF

	help

	  Include support for Freescale MXS platforms(i.MX23 and i.MX28)

	  using the device tree for discovery



config MACH_STMP378X_DEVB

	bool "Support STMP378x_devb Platform"

	select SOC_IMX23

arch/arm/mach-mxs/Makefile

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@@ -4,6 +4,7 @@ obj-y := devices.o icoll.o iomux.o system.o timer.o mm.o 
obj-$(CONFIG_MXS_OCOTP) += ocotp.o

obj-$(CONFIG_PM) += pm.o



obj-$(CONFIG_MACH_MXS_DT) += mach-mxs.o

obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o

obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o

obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o