src/arm/allwinner/sun8i-h2-plus-orangepi-zero.dts

   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", "jedec,spi-nor";
 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 };