1/*
  2 * Copyright (C) 2016 Icenowy Zheng <icenowy@aosc.xyz>
  3 *
  4 * Based on sun8i-h3-orangepi-one.dts, which is:
  5 *   Copyright (C) 2016 Hans de Goede <hdegoede@redhat.com>
  6 *
  7 * This file is dual-licensed: you can use it either under the terms
  8 * of the GPL or the X11 license, at your option. Note that this dual
  9 * licensing only applies to this file, and not this project as a
 10 * whole.
 11 *
 12 *  a) This file is free software; you can redistribute it and/or
 13 *     modify it under the terms of the GNU General Public License as
 14 *     published by the Free Software Foundation; either version 2 of the
 15 *     License, or (at your option) any later version.
 16 *
 17 *     This file is distributed in the hope that it will be useful,
 18 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 19 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20 *     GNU General Public License for more details.
 21 *
 22 * Or, alternatively,
 23 *
 24 *  b) Permission is hereby granted, free of charge, to any person
 25 *     obtaining a copy of this software and associated documentation
 26 *     files (the "Software"), to deal in the Software without
 27 *     restriction, including without limitation the rights to use,
 28 *     copy, modify, merge, publish, distribute, sublicense, and/or
 29 *     sell copies of the Software, and to permit persons to whom the
 30 *     Software is furnished to do so, subject to the following
 31 *     conditions:
 32 *
 33 *     The above copyright notice and this permission notice shall be
 34 *     included in all copies or substantial portions of the Software.
 35 *
 36 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 37 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 38 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 39 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 40 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 41 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 42 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 43 *     OTHER DEALINGS IN THE SOFTWARE.
 44 */
 45
 46/dts-v1/;
 47#include "sun8i-h3.dtsi"
 48#include "sunxi-common-regulators.dtsi"
 49
 50#include <dt-bindings/gpio/gpio.h>
 51#include <dt-bindings/input/input.h>
 52
 53/ {
 54	model = "Xunlong Orange Pi Zero";
 55	compatible = "xunlong,orangepi-zero", "allwinner,sun8i-h2-plus";
 56
 57	aliases {
 58		serial0 = &uart0;
 59		/* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
 60		ethernet0 = &emac;
 61		ethernet1 = &xr819;
 62	};
 63
 64	chosen {
 65		stdout-path = "serial0:115200n8";
 66	};
 67
 68	leds {
 69		compatible = "gpio-leds";
 70
 71		pwr_led {
 72			label = "orangepi:green:pwr";
 73			gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
 74			default-state = "on";
 75		};
 76
 77		status_led {
 78			label = "orangepi:red:status";
 79			gpios = <&pio 0 17 GPIO_ACTIVE_HIGH>;
 80		};
 81	};
 82
 83	reg_vcc_wifi: reg_vcc_wifi {
 84		compatible = "regulator-fixed";
 85		regulator-min-microvolt = <3300000>;
 86		regulator-max-microvolt = <3300000>;
 87		regulator-name = "vcc-wifi";
 88		enable-active-high;
 89		gpio = <&pio 0 20 GPIO_ACTIVE_HIGH>;
 90	};
 91
 92	reg_vdd_cpux: vdd-cpux-regulator {
 93		compatible = "regulator-gpio";
 94		regulator-name = "vdd-cpux";
 95		regulator-type = "voltage";
 96		regulator-boot-on;
 97		regulator-always-on;
 98		regulator-min-microvolt = <1100000>;
 99		regulator-max-microvolt = <1300000>;
100		regulator-ramp-delay = <50>; /* 4ms */
101
102		gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
103		enable-active-high;
104		gpios-states = <1>;
105		states = <1100000 0>, <1300000 1>;
106	};
107
108	wifi_pwrseq: wifi_pwrseq {
109		compatible = "mmc-pwrseq-simple";
110		reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>;
111		post-power-on-delay-ms = <200>;
112	};
113};
114
115&cpu0 {
116	cpu-supply = <&reg_vdd_cpux>;
117};
118
119&ehci0 {
120	status = "okay";
121};
122
123&ehci1 {
124	status = "okay";
125};
126
127&emac {
128	phy-handle = <&int_mii_phy>;
129	phy-mode = "mii";
130	allwinner,leds-active-low;
131	status = "okay";
132};
133
134&mmc0 {
135	vmmc-supply = <&reg_vcc3v3>;
136	bus-width = <4>;
137	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
138	status = "okay";
139};
140
141&mmc1 {
142	vmmc-supply = <&reg_vcc_wifi>;
143	mmc-pwrseq = <&wifi_pwrseq>;
144	bus-width = <4>;
145	non-removable;
146	status = "okay";
147
148	/*
149	 * Explicitly define the sdio device, so that we can add an ethernet
150	 * alias for it (which e.g. makes u-boot set a mac-address).
151	 */
152	xr819: sdio_wifi@1 {
153		reg = <1>;
154	};
155};
156
157&ohci0 {
158	status = "okay";
159};
160
161&ohci1 {
162	status = "okay";
163};
164
165&spi0 {
166	/* Disable SPI NOR by default: it optional on Orange Pi Zero boards */
167	status = "disabled";
168
169	flash@0 {
170		#address-cells = <1>;
171		#size-cells = <1>;
172		compatible = "mxicy,mx25l1606e", "winbond,w25q128";
173		reg = <0>;
174		spi-max-frequency = <40000000>;
175	};
176};
177
178&uart0 {
179	pinctrl-names = "default";
180	pinctrl-0 = <&uart0_pa_pins>;
181	status = "okay";
182};
183
184&uart1 {
185	pinctrl-names = "default";
186	pinctrl-0 = <&uart1_pins>;
187	status = "disabled";
188};
189
190&uart2 {
191	pinctrl-names = "default";
192	pinctrl-0 = <&uart2_pins>;
193	status = "disabled";
194};
195
196&usb_otg {
197	dr_mode = "peripheral";
198	status = "okay";
199};
200
201&usbphy {
202	/*
203	 * USB Type-A port VBUS is always on. However, MicroUSB VBUS can only
204	 * power up the board; when it's used as OTG port, this VBUS is
205	 * always off even if the board is powered via GPIO pins.
206	 */
207	status = "okay";
208	usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
209};