linux_dsm_epyc7002/arch/arm/boot/dts/kirkwood-linkstation.dtsi

/*
 * Device Tree common file for kirkwood based Buffalo Linkstation
 *
 * Copyright (C) 2015, 2016
 * Roger Shimizu <rogershimizu@gmail.com>
 *
 * This file is dual-licensed: you can use it either under the terms
 * of the GPL or the X11 license, at your option. Note that this dual
 * licensing only applies to this file, and not this project as a
 * whole.
 *
 *  a) This file is free software; you can redistribute it and/or
 *     modify it under the terms of the GNU General Public License as
 *     published by the Free Software Foundation; either version 2 of the
 *     License, or (at your option) any later version.
 *
 *     This file is distributed in the hope that it will be useful
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 * Or, alternatively
 *
 *  b) Permission is hereby granted, free of charge, to any person
 *     obtaining a copy of this software and associated documentation
 *     files (the "Software"), to deal in the Software without
 *     restriction, including without limitation the rights to use
 *     copy, modify, merge, publish, distribute, sublicense, and/or
 *     sell copies of the Software, and to permit persons to whom the
 *     Software is furnished to do so, subject to the following
 *     conditions:
 *
 *     The above copyright notice and this permission notice shall be
 *     included in all copies or substantial portions of the Software.
 *
 *     THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *     OTHER DEALINGS IN THE SOFTWARE.
 */

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

	mbus {
		pcie-controller {
			status = "okay";
			pcie@1,0 {
				status = "okay";
			};
		};
	};

	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;
		};
	};
};