linux_dsm_epyc7002/arch/arm/boot/dts/snowball.dts

/*
 * Copyright 2011 ST-Ericsson AB
 *
 * 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/ "db8500.dtsi"

/ {
	model = "Calao Systems Snowball platform with device tree";
	compatible = "calaosystems,snowball-a9500";

	memory {
		reg = <0x00000000 0x20000000>;
	};

	en_3v3_reg: en_3v3 {
		compatible = "regulator-fixed";
                regulator-name = "en-3v3-fixed-supply";
                regulator-min-microvolt = <3300000>;
                regulator-max-microvolt = <3300000>;
                gpios = <&gpio0 26  0x4>; // 26
                startup-delay-us = <5000>;
                enable-active-high;
	};

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

		button@1 {
			debounce_interval = <50>;
			wakeup = <1>;
			linux,code = <2>;
			label = "userpb";
			gpios = <&gpio1 0 0x4>;
		};
		button@2 {
			debounce_interval = <50>;
			wakeup = <1>;
			linux,code = <3>;
			label = "extkb1";
			gpios = <&gpio4 23 0x4>;
		};
		button@3 {
			debounce_interval = <50>;
			wakeup = <1>;
			linux,code = <4>;
			label = "extkb2";
			gpios = <&gpio4 24 0x4>;
		};
		button@4 {
			debounce_interval = <50>;
			wakeup = <1>;
			linux,code = <5>;
			label = "extkb3";
			gpios = <&gpio5 1 0x4>;
		};
		button@5 {
			debounce_interval = <50>;
			wakeup = <1>;
			linux,code = <6>;
			label = "extkb4";
			gpios = <&gpio5 2 0x4>;
		};
	};

	leds {
		compatible = "gpio-leds";
		used-led {
			label = "user_led";
			gpios = <&gpio4 14 0x4>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
	};

	soc-u9500 {
		external-bus@50000000 {
			status = "okay";

			ethernet@0 {
				compatible = "smsc,lan9115";
				reg = <0 0x10000>;
				interrupts = <12 0x1>;
				interrupt-parent = <&gpio4>;
				vdd33a-supply = <&en_3v3_reg>;
				vddvario-supply = <&db8500_vape_reg>;


				reg-shift = <1>;
				reg-io-width = <2>;
				smsc,force-internal-phy;
				smsc,irq-active-high;
				smsc,irq-push-pull;
			};
		};

		// External Micro SD slot
		sdi@80126000 {
			arm,primecell-periphid = <0x10480180>;
			max-frequency = <50000000>;
			bus-width = <8>;
			mmc-cap-mmc-highspeed;
			vmmc-supply = <&ab8500_ldo_aux3_reg>;

			#gpio-cells = <1>;
			cd-gpios  = <&gpio6 26 0x4>; // 218
			cd-inverted;

			status = "okay";
		};

		// On-board eMMC
		sdi@80114000 {
			arm,primecell-periphid = <0x10480180>;
		        max-frequency = <50000000>;
			bus-width = <8>;
			mmc-cap-mmc-highspeed;
			vmmc-supply = <&ab8500_ldo_aux2_reg>;

			status = "okay";
		};

		uart@80120000 {
			status = "okay";
		};

		uart@80121000 {
			status = "okay";
		};

		uart@80007000 {
			status = "okay";
		};

		i2c@80004000 {
			tc3589x@42 {
				//compatible = "tc3589x";
				reg = <0x42>;
				gpios = <&gpio6 25 0x4>;
				interrupt-parent = <&gpio6>;
			};
			tps61052@33 {
				//compatible = "tps61052";
				reg = <0x33>;
			};
		};

		i2c@80128000 {
			lp5521@0x33 {
				// compatible = "lp5521";
				reg = <0x33>;
			};
			lp5521@0x34 {
				// compatible = "lp5521";
				reg = <0x34>;
			};
			bh1780@0x29 {
				// compatible = "rohm,bh1780gli";
				reg = <0x33>;
			};
		};
	};
};