linux-zen-server/arch/arm/boot/dts/kirkwood-linkstation.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Device Tree common file for kirkwood based Buffalo Linkstation
 *
 * Copyright (C) 2015, 2016
 * Roger Shimizu <rogershimizu@gmail.com>
 */

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

	ocp@f1000000 {
		pinctrl: pin-controller@10000 {
			pmx_power_hdd0: pmx-power-hdd0 {
				marvell,function = "gpio";
			};
			pmx_usb_vbus: pmx-usb-vbus {
				marvell,function = "gpio";
			};
			pmx_led_alarm: pmx-led-alarm {
				marvell,function = "gpio";
			};
			pmx_led_function_red: pmx-led-function-red {
				marvell,function = "gpio";
			};
			pmx_led_function_blue: pmx-led-function-blue {
				marvell,function = "gpio";
			};
			pmx_led_info: pmx-led-info {
				marvell,function = "gpio";
			};
			pmx_led_power: pmx-led-power {
				marvell,function = "gpio";
			};
			pmx_button_function: pmx-button-function {
				marvell,function = "gpio";
			};
			pmx_power_switch: pmx-power-switch {
				marvell,function = "gpio";
			};
			pmx_power_auto_switch: pmx-power-auto-switch {
				marvell,function = "gpio";
			};
		};

		serial@12000 {
			status = "okay";
		};

		sata@80000 {
			status = "okay";
			nr-ports = <1>;
		};

		spi@10600 {
			status = "okay";

			m25p40@0 {
				#address-cells = <1>;
				#size-cells = <1>;
				compatible = "st,m25p40", "jedec,spi-nor";
				reg = <0>;
				spi-max-frequency = <25000000>;
				mode = <0>;

				partition@0 {
					reg = <0x0 0x60000>;
					label = "uboot";
					read-only;
				};

				partition@60000 {
					reg = <0x60000 0x10000>;
					label = "dtb";
					read-only;
				};

				partition@70000 {
					reg = <0x70000 0x10000>;
					label = "uboot_env";
				};
			};
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;
		pinctrl-0 = <&pmx_button_function &pmx_power_switch
			     &pmx_power_auto_switch>;
		pinctrl-names = "default";

		function-button {
			label = "Function Button";
			linux,code = <KEY_OPTION>;
		};

		power-on-switch {
			label = "Power-on Switch";
			linux,code = <KEY_RESERVED>;
			linux,input-type = <5>;
		};

		power-auto-switch {
			label = "Power-auto Switch";
			linux,code = <KEY_ESC>;
			linux,input-type = <5>;
		};
	};

	gpio_leds {
		compatible = "gpio-leds";
		pinctrl-0 = <&pmx_led_function_red &pmx_led_alarm
			     &pmx_led_info &pmx_led_power
			     &pmx_led_function_blue>;
		pinctrl-names = "default";
	};

	restart_poweroff {
		compatible = "restart-poweroff";
	};

	regulators {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <0>;
		pinctrl-0 = <&pmx_power_hdd0 &pmx_usb_vbus>;
		pinctrl-names = "default";

		usb_power: regulator@1 {
			compatible = "regulator-fixed";
			reg = <1>;
			regulator-name = "USB Power";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			enable-active-high;
			regulator-always-on;
			regulator-boot-on;
		};

		hdd_power0: regulator@2 {
			compatible = "regulator-fixed";
			reg = <2>;
			regulator-name = "HDD0 Power";
			regulator-min-microvolt = <5000000>;
			regulator-max-microvolt = <5000000>;
			enable-active-high;
			regulator-always-on;
			regulator-boot-on;
		};
	};
};

&pciec {
	status = "okay";
};

&pcie0 {
	status = "okay";
};