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Commit 2954ff39 authored by Shawn Guo's avatar Shawn Guo
Browse files

ARM: mxs: add initial device tree support for imx23-evk board 



It adds initial device tree support for imx23-evk board, and only
serial console is enabled.

Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
Acked-by: default avatarMarek Vasut <marex@denx.de>
parent bc3a59c1

Documentation/devicetree/bindings/arm/fsl.txt

+4 −0
Original line number Diff line number Diff line 
Freescale i.MX Platforms Device Tree Bindings

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



i.MX23 Evaluation Kit

Required root node properties:

    - compatible = "fsl,imx23-evk", "fsl,imx23";



i.MX28 Evaluation Kit

Required root node properties:

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

arch/arm/boot/dts/imx23-evk.dts

0 → 100644
+32 −0
Original line number Diff line number Diff line 
/*

 * 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/ "imx23.dtsi"



/ {

	model = "Freescale i.MX23 Evaluation Kit";

	compatible = "fsl,imx23-evk", "fsl,imx23";



	memory {

		reg = <0x40000000 0x08000000>;

	};



	apb@80000000 {

		apbx@80040000 {

			duart: serial@80070000 {

				pinctrl-names = "default";

				pinctrl-0 = <&duart_pins_a>;

				status = "okay";

			};

		};

	};

};

arch/arm/boot/dts/imx23.dtsi

0 → 100644
+243 −0
Original line number Diff line number Diff line 
/*

 * 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 0x40000>;

			ranges;



			icoll: interrupt-controller@80000000 {

				compatible = "fsl,imx23-icoll", "fsl,mxs-icoll";

				interrupt-controller;

				#interrupt-cells = <1>;

				reg = <0x80000000 0x2000>;

			};



			dma-apbh@80004000 {

				reg = <0x80004000 2000>;

				status = "disabled";

			};



			ecc@80008000 {

				reg = <0x80008000 2000>;

				status = "disabled";

			};



			bch@8000a000 {

				reg = <0x8000a000 2000>;

				status = "disabled";

			};



			gpmi@8000c000 {

				reg = <0x8000c000 2000>;

				status = "disabled";

			};



			ssp0: ssp@80010000 {

				reg = <0x80010000 2000>;

				status = "disabled";

			};



			etm@80014000 {

				reg = <0x80014000 2000>;

				status = "disabled";

			};



			pinctrl@80018000 {

				#address-cells = <1>;

				#size-cells = <0>;

				compatible = "fsl,imx23-pinctrl";

				reg = <0x80018000 2000>;



				duart_pins_a: duart@0 {

					reg = <0>;

					fsl,pinmux-ids = <0x11a2 0x11b2>;

					fsl,drive-strength = <0>;

					fsl,voltage = <1>;

					fsl,pull-up = <0>;

				};

			};



			digctl@8001c000 {

				reg = <0x8001c000 2000>;

				status = "disabled";

			};



			emi@80020000 {

				reg = <0x80020000 2000>;

				status = "disabled";

			};



			dma-apbx@80024000 {

				reg = <0x80024000 2000>;

				status = "disabled";

			};



			dcp@80028000 {

				reg = <0x80028000 2000>;

				status = "disabled";

			};



			pxp@8002a000 {

				reg = <0x8002a000 2000>;

				status = "disabled";

			};



			ocotp@8002c000 {

				reg = <0x8002c000 2000>;

				status = "disabled";

			};



			axi-ahb@8002e000 {

				reg = <0x8002e000 2000>;

				status = "disabled";

			};



			lcdif@80030000 {

				reg = <0x80030000 2000>;

				status = "disabled";

			};



			ssp1: ssp@80034000 {

				reg = <0x80034000 2000>;

				status = "disabled";

			};



			tvenc@80038000 {

				reg = <0x80038000 2000>;

				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>;

				status = "disabled";

			};



			power@80044000 {

				reg = <0x80044000 2000>;

				status = "disabled";

			};



			saif1: saif@80046000 {

				reg = <0x80046000 2000>;

				status = "disabled";

			};



			audio-out@80048000 {

				reg = <0x80048000 2000>;

				status = "disabled";

			};



			audio-in@8004c000 {

				reg = <0x8004c000 2000>;

				status = "disabled";

			};



			lradc@80050000 {

				reg = <0x80050000 2000>;

				status = "disabled";

			};



			spdif@80054000 {

				reg = <0x80054000 2000>;

				status = "disabled";

			};



			i2c@80058000 {

				reg = <0x80058000 2000>;

				status = "disabled";

			};



			rtc@8005c000 {

				reg = <0x8005c000 2000>;

				status = "disabled";

			};



			pwm@80064000 {

				reg = <0x80064000 2000>;

				status = "disabled";

			};



			timrot@80068000 {

				reg = <0x80068000 2000>;

				status = "disabled";

			};



			auart0: serial@8006c000 {

				reg = <0x8006c000 0x2000>;

				status = "disabled";

			};



			auart1: serial@8006e000 {

				reg = <0x8006e000 0x2000>;

				status = "disabled";

			};



			duart: serial@80070000 {

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

				reg = <0x80070000 0x2000>;

				interrupts = <0>;

				status = "disabled";

			};



			usbphy@8007c000 {

				reg = <0x8007c000 0x2000>;

				status = "disabled";

			};

		};

	};



	ahb@80080000 {

		compatible = "simple-bus";

		#address-cells = <1>;

		#size-cells = <1>;

		reg = <0x80080000 0x80000>;

		ranges;



		usbctrl@80080000 {

			reg = <0x80080000 0x10000>;

			status = "disabled";

		};

	};

};

arch/arm/mach-mxs/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ comment "MXS platforms:" 


config MACH_MXS_DT

	bool "Support MXS platforms from device tree"

	select SOC_IMX23

	select SOC_IMX28

	select USE_OF

	help

arch/arm/mach-mxs/mach-mxs.c

+24 −0
Original line number Diff line number Diff line
@@ -41,6 +41,15 @@ static void __init mxs_dt_init_irq(void) 
	of_irq_init(mxs_irq_match);

}



static void __init imx23_timer_init(void)

{

	mx23_clocks_init();

}



static struct sys_timer imx23_timer = {

	.init = imx23_timer_init,

};



static void __init imx28_timer_init(void)

{

	mx28_clocks_init();
@@ -69,12 +78,27 @@ static void __init mxs_machine_init(void) 
				NULL, NULL);

}



static const char *imx23_dt_compat[] __initdata = {

	"fsl,imx23-evk",

	"fsl,imx23",

	NULL,

};



static const char *imx28_dt_compat[] __initdata = {

	"fsl,imx28-evk",

	"fsl,imx28",

	NULL,

};



DT_MACHINE_START(IMX23, "Freescale i.MX23 (Device Tree)")

	.map_io		= mx23_map_io,

	.init_irq	= mxs_dt_init_irq,

	.timer		= &imx23_timer,

	.init_machine	= mxs_machine_init,

	.dt_compat	= imx23_dt_compat,

	.restart	= mxs_restart,

MACHINE_END



DT_MACHINE_START(IMX28, "Freescale i.MX28 (Device Tree)")

	.map_io		= mx28_map_io,

	.init_irq	= mxs_dt_init_irq,