uboot/u-boot-stm32mp-2020.01/arch/arm/dts/kirkwood-blackarmor-nas220.dts

// SPDX-License-Identifier: GPL-2.0+
/*
 * Device Tree file for Seagate Blackarmor NAS220
 *
 * Copyright (C) 2014 Evgeni Dobrev <evgeni@studio-punkt.com>
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "kirkwood.dtsi"
#include "kirkwood-6192.dtsi"

/ {
	model = "Seagate Blackarmor NAS220";
	compatible = "seagate,blackarmor-nas220","marvell,kirkwood-88f6192",
		     "marvell,kirkwood";

	memory { /* 128 MB */
		device_type = "memory";
		reg = <0x00000000 0x8000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8";
		stdout-path = &uart0;
	};

	gpio_poweroff {
		compatible = "gpio-poweroff";
		gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
	};

	gpio_keys {
		compatible = "gpio-keys";

		reset {
			label = "Reset";
			linux,code = <KEY_POWER>;
			gpios = <&gpio0 29 GPIO_ACTIVE_HIGH>;
		};

		button {
			label = "Power";
			linux,code = <KEY_SLEEP>;
			gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
		};
	};

	gpio-leds {
		compatible = "gpio-leds";

		blue-power {
			label = "nas220:blue:power";
			gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "default-on";
		};
	};

	regulators {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <0>;
		pinctrl-0 = <&pmx_power_sata0 &pmx_power_sata1>;
		pinctrl-names = "default";

		sata0_power: regulator@1 {
			compatible = "regulator-fixed";
			reg = <1>;
			regulator-name = "SATA0 Power";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			enable-active-high;
			regulator-always-on;
			regulator-boot-on;
			gpio = <&gpio0 24 GPIO_ACTIVE_LOW>;
		};

		sata1_power: regulator@2 {
			compatible = "regulator-fixed";
			reg = <2>;
			regulator-name = "SATA1 Power";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			enable-active-high;
			regulator-always-on;
			regulator-boot-on;
			gpio = <&gpio0 28 GPIO_ACTIVE_LOW>;
		};
	};
};

/*
 * Serial port routed to connector CN5
 *
 * pin 1 - TX (CPU's TX)
 * pin 4 - RX (CPU's RX)
 * pin 6 - GND
 */
&uart0 {
	status = "okay";
};

&pinctrl {
	pinctrl-0 = <&pmx_button_reset &pmx_button_power>;
	pinctrl-names = "default";

	pmx_act_sata0: pmx-act-sata0 {
		marvell,pins = "mpp15";
		marvell,function = "sata0";
	};

	pmx_act_sata1: pmx-act-sata1 {
		marvell,pins = "mpp16";
		marvell,function = "sata1";
	};

	pmx_power_sata0: pmx-power-sata0 {
		marvell,pins = "mpp24";
		marvell,function = "gpio";
	};

	pmx_power_sata1: pmx-power-sata1 {
		marvell,pins = "mpp28";
		marvell,function = "gpio";
	};

	pmx_button_reset: pmx-button-reset {
		marvell,pins = "mpp29";
		marvell,function = "gpio";
	};

	pmx_button_power: pmx-button-power {
		marvell,pins = "mpp26";
		marvell,function = "gpio";
	};
};

&sata {
	status = "okay";
	nr-ports = <2>;
};

&i2c0 {
	status = "okay";

	adt7476: thermal@2e {
		compatible = "adi,adt7476";
		reg = <0x2e>;
	};
};

&nand {
	status = "okay";
};

&mdio {
	status = "okay";

	ethphy0: ethernet-phy@8 {
		 reg = <8>;
	};
};

&eth0 {
	status = "okay";

	ethernet0-port@0 {
		phy-handle = <&ethphy0>;
	};
};