alistair23-linux/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts

/*
 * Copyright (C) 2017 Icenowy Zheng <icenowy@aosc.io>
 *
 * 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 "AS IS", 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.
 */

/dts-v1/;
#include "sun8i-r40.dtsi"

#include <dt-bindings/gpio/gpio.h>

/ {
	model = "Banana Pi M2 Berry";
	compatible = "sinovoip,bpi-m2-berry", "allwinner,sun8i-r40";

	aliases {
		serial0 = &uart0;
	};

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

	leds {
		compatible = "gpio-leds";

		pwr-led {
			label = "bananapi:red:pwr";
			gpios = <&pio 7 20 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};

		user-led {
			label = "bananapi:green:user";
			gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>;
		};
	};

	reg_vcc5v0: vcc5v0 {
		compatible = "regulator-fixed";
		regulator-name = "vcc5v0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&pio 7 23 GPIO_ACTIVE_HIGH>; /* PH23 */
		enable-active-high;
	};

	wifi_pwrseq: wifi_pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 WIFI_EN */
	};
};

&ehci1 {
	/* Terminus Tech FE 1.1s 4-port USB 2.0 hub here */
	status = "okay";
};

&i2c0 {
	status = "okay";

	axp22x: pmic@34 {
		compatible = "x-powers,axp221";
		reg = <0x34>;
		interrupt-parent = <&nmi_intc>;
		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
	};
};

#include "axp22x.dtsi"

&reg_aldo3 {
	regulator-always-on;
	regulator-min-microvolt = <2700000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "avcc";
};

&reg_dcdc1 {
	regulator-always-on;
	regulator-min-microvolt = <3000000>;
	regulator-max-microvolt = <3000000>;
	regulator-name = "vcc-3v0";
};

&reg_dcdc2 {
	regulator-always-on;
	regulator-min-microvolt = <1000000>;
	regulator-max-microvolt = <1300000>;
	regulator-name = "vdd-cpu";
};

&reg_dcdc3 {
	regulator-always-on;
	regulator-min-microvolt = <1000000>;
	regulator-max-microvolt = <1300000>;
	regulator-name = "vdd-sys";
};

&reg_dcdc5 {
	regulator-always-on;
	regulator-min-microvolt = <1500000>;
	regulator-max-microvolt = <1500000>;
	regulator-name = "vcc-dram";
};

&reg_dldo1 {
	regulator-min-microvolt = <1800000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-wifi-io";
};

&reg_dldo2 {
	regulator-min-microvolt = <3300000>;
	regulator-max-microvolt = <3300000>;
	regulator-name = "vcc-wifi";
};

&mmc0 {
	vmmc-supply = <&reg_dcdc1>;
	bus-width = <4>;
	cd-gpios = <&pio 7 13 GPIO_ACTIVE_LOW>; /* PH13 */
	status = "okay";
};

&mmc1 {
	pinctrl-names = "default";
	pinctrl-0 = <&mmc1_pg_pins>;
	vmmc-supply = <&reg_dldo2>;
	vqmmc-supply = <&reg_dldo1>;
	mmc-pwrseq = <&wifi_pwrseq>;
	bus-width = <4>;
	non-removable;
	status = "okay";
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pb_pins>;
	status = "okay";
};

&usbphy {
	usb1_vbus-supply = <&reg_vcc5v0>;
	status = "okay";
};