linux_dsm_epyc7002/arch/arm/boot/dts/exynos4210-origen.dts

/*
 * Samsung's Exynos4210 based Origen board device tree source
 *
 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 * Copyright (c) 2010-2011 Linaro Ltd.
 *		www.linaro.org
 *
 * Device tree source file for Insignal's Origen board which is based on
 * Samsung's Exynos4210 SoC.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

/dts-v1/;
/include/ "exynos4210.dtsi"

/ {
	model = "Insignal Origen evaluation board based on Exynos4210";
	compatible = "insignal,origen", "samsung,exynos4210";

	memory {
		reg = <0x40000000 0x10000000
		       0x50000000 0x10000000
		       0x60000000 0x10000000
		       0x70000000 0x10000000>;
	};

	chosen {
		bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
	};

	mmc_reg: voltage-regulator {
	        compatible = "regulator-fixed";
		regulator-name = "VMEM_VDD_2.8V";
		regulator-min-microvolt = <2800000>;
		regulator-max-microvolt = <2800000>;
		gpio = <&gpx1 1 0>;
		enable-active-high;
	};

	sdhci@12530000 {
		bus-width = <4>;
		pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
		pinctrl-names = "default";
		vmmc-supply = <&mmc_reg>;
		status = "okay";
	};

	sdhci@12510000 {
		bus-width = <4>;
		pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
		pinctrl-names = "default";
		vmmc-supply = <&mmc_reg>;
		status = "okay";
	};

	serial@13800000 {
		status = "okay";
	};

	serial@13810000 {
		status = "okay";
	};

	serial@13820000 {
		status = "okay";
	};

	serial@13830000 {
		status = "okay";
	};

	gpio_keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;

		up {
			label = "Up";
			gpios = <&gpx2 0 1>;
			linux,code = <103>;
			gpio-key,wakeup;
		};

		down {
			label = "Down";
			gpios = <&gpx2 1 1>;
			linux,code = <108>;
			gpio-key,wakeup;
		};

		back {
			label = "Back";
			gpios = <&gpx1 7 1>;
			linux,code = <158>;
			gpio-key,wakeup;
		};

		home {
			label = "Home";
			gpios = <&gpx1 6 1>;
			linux,code = <102>;
			gpio-key,wakeup;
		};

		menu {
			label = "Menu";
			gpios = <&gpx1 5 1>;
			linux,code = <139>;
			gpio-key,wakeup;
		};
	};

	leds {
		compatible = "gpio-leds";
		status {
			gpios = <&gpx1 3 1>;
			linux,default-trigger = "heartbeat";
		};
	};
};