linux-zen-server/arch/arm64/boot/dts/allwinner/sun50i-h616-orangepi-zero2.dts

// SPDX-License-Identifier: (GPL-2.0+ or MIT)
/*
 * Copyright (C) 2020 Arm Ltd.
 */

/dts-v1/;

#include "sun50i-h616.dtsi"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/leds/common.h>

/ {
	model = "OrangePi Zero2";
	compatible = "xunlong,orangepi-zero2", "allwinner,sun50i-h616";

	aliases {
		ethernet0 = &emac0;
		serial0 = &uart0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	leds {
		compatible = "gpio-leds";

		led-0 {
			function = LED_FUNCTION_POWER;
			color = <LED_COLOR_ID_RED>;
			gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 */
			default-state = "on";
		};

		led-1 {
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 */
		};
	};

	reg_vcc5v: vcc5v {
		/* board wide 5V supply directly from the USB-C socket */
		compatible = "regulator-fixed";
		regulator-name = "vcc-5v";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
	};

	reg_usb1_vbus: regulator-usb1-vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb1-vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		vin-supply = <&reg_vcc5v>;
		enable-active-high;
		gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
	};
};

&ehci1 {
	status = "okay";
};

/* USB 2 & 3 are on headers only. */

&emac0 {
	pinctrl-names = "default";
	pinctrl-0 = <&ext_rgmii_pins>;
	phy-mode = "rgmii";
	phy-handle = <&ext_rgmii_phy>;
	phy-supply = <&reg_dcdce>;
	allwinner,rx-delay-ps = <3100>;
	allwinner,tx-delay-ps = <700>;
	status = "okay";
};

&mdio0 {
	ext_rgmii_phy: ethernet-phy@1 {
		compatible = "ethernet-phy-ieee802.3-c22";
		reg = <1>;
	};
};

&mmc0 {
	vmmc-supply = <&reg_dcdce>;
	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;	/* PF6 */
	bus-width = <4>;
	status = "okay";
};

&ohci1 {
	status = "okay";
};

&r_rsb {
	status = "okay";

	axp305: pmic@745 {
		compatible = "x-powers,axp305", "x-powers,axp805",
			     "x-powers,axp806";
		interrupt-controller;
		#interrupt-cells = <1>;
		reg = <0x745>;

		x-powers,self-working-mode;
		vina-supply = <&reg_vcc5v>;
		vinb-supply = <&reg_vcc5v>;
		vinc-supply = <&reg_vcc5v>;
		vind-supply = <&reg_vcc5v>;
		vine-supply = <&reg_vcc5v>;
		aldoin-supply = <&reg_vcc5v>;
		bldoin-supply = <&reg_vcc5v>;
		cldoin-supply = <&reg_vcc5v>;

		regulators {
			reg_aldo1: aldo1 {
				regulator-always-on;
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-name = "vcc-sys";
			};

			reg_aldo2: aldo2 {	/* 3.3V on headers */
				regulator-always-on;
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-name = "vcc3v3-ext";
			};

			reg_aldo3: aldo3 {	/* 3.3V on headers */
				regulator-always-on;
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-name = "vcc3v3-ext2";
			};

			reg_bldo1: bldo1 {
				regulator-always-on;
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-name = "vcc1v8";
			};

			bldo2 {
				/* unused */
			};

			bldo3 {
				/* unused */
			};

			bldo4 {
				/* unused */
			};

			cldo1 {
				/* reserved */
			};

			cldo2 {
				/* unused */
			};

			cldo3 {
				/* unused */
			};

			reg_dcdca: dcdca {
				regulator-always-on;
				regulator-min-microvolt = <810000>;
				regulator-max-microvolt = <1100000>;
				regulator-name = "vdd-cpu";
			};

			reg_dcdcc: dcdcc {
				regulator-always-on;
				regulator-min-microvolt = <810000>;
				regulator-max-microvolt = <990000>;
				regulator-name = "vdd-gpu-sys";
			};

			reg_dcdcd: dcdcd {
				regulator-always-on;
				regulator-min-microvolt = <1500000>;
				regulator-max-microvolt = <1500000>;
				regulator-name = "vdd-dram";
			};

			reg_dcdce: dcdce {
				regulator-always-on;
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-name = "vcc-eth-mmc";
			};

			sw {
				/* unused */
			};
		};
	};
};

&pio {
	vcc-pc-supply = <&reg_aldo1>;
	vcc-pf-supply = <&reg_aldo1>;
	vcc-pg-supply = <&reg_bldo1>;
	vcc-ph-supply = <&reg_aldo1>;
	vcc-pi-supply = <&reg_aldo1>;
};

&spi0  {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;

	flash@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <40000000>;
	};
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_ph_pins>;
	status = "okay";
};

&usbotg {
	/*
	 * PHY0 pins are connected to a USB-C socket, but a role switch
	 * is not implemented: both CC pins are pulled to GND.
	 * The VBUS pins power the device, so a fixed peripheral mode
	 * is the best choice.
	 * The board can be powered via GPIOs, in this case port0 *can*
	 * act as a host (with a cable/adapter ignoring CC), as VBUS is
	 * then provided by the GPIOs. Any user of this setup would
	 * need to adjust the DT accordingly: dr_mode set to "host",
	 * enabling OHCI0 and EHCI0.
	 */
	dr_mode = "peripheral";
	status = "okay";
};

&usbphy {
	usb1_vbus-supply = <&reg_usb1_vbus>;
	status = "okay";
};