0001 /*
0002 * Copyright (C) 2016 Icenowy Zheng <icenowy@aosc.xyz>
0003 *
0004 * Based on sun8i-h3-orangepi-one.dts, which is:
0005 * Copyright (C) 2016 Hans de Goede <hdegoede@redhat.com>
0006 *
0007 * This file is dual-licensed: you can use it either under the terms
0008 * of the GPL or the X11 license, at your option. Note that this dual
0009 * licensing only applies to this file, and not this project as a
0010 * whole.
0011 *
0012 * a) This file is free software; you can redistribute it and/or
0013 * modify it under the terms of the GNU General Public License as
0014 * published by the Free Software Foundation; either version 2 of the
0015 * License, or (at your option) any later version.
0016 *
0017 * This file is distributed in the hope that it will be useful,
0018 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0020 * GNU General Public License for more details.
0021 *
0022 * Or, alternatively,
0023 *
0024 * b) Permission is hereby granted, free of charge, to any person
0025 * obtaining a copy of this software and associated documentation
0026 * files (the "Software"), to deal in the Software without
0027 * restriction, including without limitation the rights to use,
0028 * copy, modify, merge, publish, distribute, sublicense, and/or
0029 * sell copies of the Software, and to permit persons to whom the
0030 * Software is furnished to do so, subject to the following
0031 * conditions:
0032 *
0033 * The above copyright notice and this permission notice shall be
0034 * included in all copies or substantial portions of the Software.
0035 *
0036 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0037 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0038 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0039 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0040 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0041 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0042 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0043 * OTHER DEALINGS IN THE SOFTWARE.
0044 */
0045
0046 /dts-v1/;
0047 #include "sun8i-h3.dtsi"
0048 #include "sunxi-common-regulators.dtsi"
0049
0050 #include <dt-bindings/gpio/gpio.h>
0051 #include <dt-bindings/input/input.h>
0052
0053 / {
0054 model = "Xunlong Orange Pi Zero";
0055 compatible = "xunlong,orangepi-zero", "allwinner,sun8i-h2-plus";
0056
0057 aliases {
0058 serial0 = &uart0;
0059 /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
0060 ethernet0 = &emac;
0061 ethernet1 = &xr819;
0062 };
0063
0064 chosen {
0065 stdout-path = "serial0:115200n8";
0066 };
0067
0068 leds {
0069 compatible = "gpio-leds";
0070
0071 pwr_led {
0072 label = "orangepi:green:pwr";
0073 gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
0074 default-state = "on";
0075 };
0076
0077 status_led {
0078 label = "orangepi:red:status";
0079 gpios = <&pio 0 17 GPIO_ACTIVE_HIGH>;
0080 };
0081 };
0082
0083 reg_vcc_wifi: reg_vcc_wifi {
0084 compatible = "regulator-fixed";
0085 regulator-min-microvolt = <3300000>;
0086 regulator-max-microvolt = <3300000>;
0087 regulator-name = "vcc-wifi";
0088 enable-active-high;
0089 gpio = <&pio 0 20 GPIO_ACTIVE_HIGH>;
0090 };
0091
0092 reg_vdd_cpux: vdd-cpux-regulator {
0093 compatible = "regulator-gpio";
0094 regulator-name = "vdd-cpux";
0095 regulator-type = "voltage";
0096 regulator-boot-on;
0097 regulator-always-on;
0098 regulator-min-microvolt = <1100000>;
0099 regulator-max-microvolt = <1300000>;
0100 regulator-ramp-delay = <50>; /* 4ms */
0101
0102 gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
0103 enable-active-high;
0104 gpios-states = <1>;
0105 states = <1100000 0>, <1300000 1>;
0106 };
0107
0108 wifi_pwrseq: wifi_pwrseq {
0109 compatible = "mmc-pwrseq-simple";
0110 reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>;
0111 post-power-on-delay-ms = <200>;
0112 };
0113 };
0114
0115 &cpu0 {
0116 cpu-supply = <®_vdd_cpux>;
0117 };
0118
0119 &ehci0 {
0120 status = "okay";
0121 };
0122
0123 &ehci1 {
0124 status = "okay";
0125 };
0126
0127 &emac {
0128 phy-handle = <&int_mii_phy>;
0129 phy-mode = "mii";
0130 allwinner,leds-active-low;
0131 status = "okay";
0132 };
0133
0134 &mmc0 {
0135 vmmc-supply = <®_vcc3v3>;
0136 bus-width = <4>;
0137 cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
0138 status = "okay";
0139 };
0140
0141 &mmc1 {
0142 vmmc-supply = <®_vcc_wifi>;
0143 mmc-pwrseq = <&wifi_pwrseq>;
0144 bus-width = <4>;
0145 non-removable;
0146 status = "okay";
0147
0148 /*
0149 * Explicitly define the sdio device, so that we can add an ethernet
0150 * alias for it (which e.g. makes u-boot set a mac-address).
0151 */
0152 xr819: sdio_wifi@1 {
0153 reg = <1>;
0154 };
0155 };
0156
0157 &ohci0 {
0158 status = "okay";
0159 };
0160
0161 &ohci1 {
0162 status = "okay";
0163 };
0164
0165 &spi0 {
0166 /* Disable SPI NOR by default: it optional on Orange Pi Zero boards */
0167 status = "disabled";
0168
0169 flash@0 {
0170 #address-cells = <1>;
0171 #size-cells = <1>;
0172 compatible = "mxicy,mx25l1606e", "jedec,spi-nor";
0173 reg = <0>;
0174 spi-max-frequency = <40000000>;
0175 };
0176 };
0177
0178 &uart0 {
0179 pinctrl-names = "default";
0180 pinctrl-0 = <&uart0_pa_pins>;
0181 status = "okay";
0182 };
0183
0184 &uart1 {
0185 pinctrl-names = "default";
0186 pinctrl-0 = <&uart1_pins>;
0187 status = "disabled";
0188 };
0189
0190 &uart2 {
0191 pinctrl-names = "default";
0192 pinctrl-0 = <&uart2_pins>;
0193 status = "disabled";
0194 };
0195
0196 &usb_otg {
0197 dr_mode = "peripheral";
0198 status = "okay";
0199 };
0200
0201 &usbphy {
0202 /*
0203 * USB Type-A port VBUS is always on. However, MicroUSB VBUS can only
0204 * power up the board; when it's used as OTG port, this VBUS is
0205 * always off even if the board is powered via GPIO pins.
0206 */
0207 status = "okay";
0208 usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
0209 };
