FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/sun8i-h2-plus-orangepi-zero.dts

     /*
      * Copyright (C) 2016 Icenowy Zheng <icenowy@aosc.xyz>
      *
      * Based on sun8i-h3-orangepi-one.dts, which is:
      *   Copyright (C) 2016 Hans de Goede <hdegoede@redhat.com>
      *
      * 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-h3.dtsi"
    #include "sunxi-common-regulators.dtsi"
    
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/input/input.h>
    
    / {
            model = "Xunlong Orange Pi Zero";
            compatible = "xunlong,orangepi-zero", "allwinner,sun8i-h2-plus";
    
            aliases {
                    serial0 = &uart0;
                    /* ethernet0 is the H3 emac, defined in sun8i-h3.dtsi */
                    ethernet0 = &emac;
                    ethernet1 = &xr819;
            };
    
            chosen {
                    stdout-path = "serial0:115200n8";
            };
    
            leds {
                    compatible = "gpio-leds";
    
                    pwr_led {
                            label = "orangepi:green:pwr";
                            gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>;
                            default-state = "on";
                    };
    
                    status_led {
                            label = "orangepi:red:status";
                            gpios = <&pio 0 17 GPIO_ACTIVE_HIGH>;
                    };
            };
    
            reg_vcc_wifi: reg_vcc_wifi {
                    compatible = "regulator-fixed";
                    regulator-min-microvolt = <3300000>;
                    regulator-max-microvolt = <3300000>;
                    regulator-name = "vcc-wifi";
                    enable-active-high;
                    gpio = <&pio 0 20 GPIO_ACTIVE_HIGH>;
            };
    
            reg_vdd_cpux: vdd-cpux-regulator {
                    compatible = "regulator-gpio";
                    regulator-name = "vdd-cpux";
                    regulator-type = "voltage";
                    regulator-boot-on;
                    regulator-always-on;
                    regulator-min-microvolt = <1100000>;
                    regulator-max-microvolt = <1300000>;
                   regulator-ramp-delay = <50>; /* 4ms */
   
                   gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
                   enable-active-high;
                   gpios-states = <1>;
                   states = <1100000 0>, <1300000 1>;
           };
   
           wifi_pwrseq: wifi_pwrseq {
                   compatible = "mmc-pwrseq-simple";
                   reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>;
                   post-power-on-delay-ms = <200>;
           };
   };
   
   &cpu0 {
           cpu-supply = <&reg_vdd_cpux>;
   };
   
   &ehci0 {
           status = "okay";
   };
   
   &ehci1 {
           status = "okay";
   };
   
   &emac {
           phy-handle = <&int_mii_phy>;
           phy-mode = "mii";
           allwinner,leds-active-low;
           status = "okay";
   };
   
   &mmc0 {
           vmmc-supply = <&reg_vcc3v3>;
           bus-width = <4>;
           cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
           status = "okay";
   };
   
   &mmc1 {
           vmmc-supply = <&reg_vcc_wifi>;
           mmc-pwrseq = <&wifi_pwrseq>;
           bus-width = <4>;
           non-removable;
           status = "okay";
   
           /*
            * Explicitly define the sdio device, so that we can add an ethernet
            * alias for it (which e.g. makes u-boot set a mac-address).
            */
           xr819: sdio_wifi@1 {
                   reg = <1>;
           };
   };
   
   &ohci0 {
           status = "okay";
   };
   
   &ohci1 {
           status = "okay";
   };
   
   &spi0 {
           /* Disable SPI NOR by default: it optional on Orange Pi Zero boards */
           status = "disabled";
   
           flash@0 {
                   #address-cells = <1>;
                   #size-cells = <1>;
                   compatible = "mxicy,mx25l1606e", "jedec,spi-nor";
                   reg = <0>;
                   spi-max-frequency = <40000000>;
           };
   };
   
   &uart0 {
           pinctrl-names = "default";
           pinctrl-0 = <&uart0_pa_pins>;
           status = "okay";
   };
   
   &uart1 {
           pinctrl-names = "default";
           pinctrl-0 = <&uart1_pins>;
           status = "disabled";
   };
   
   &uart2 {
           pinctrl-names = "default";
           pinctrl-0 = <&uart2_pins>;
           status = "disabled";
   };
   
   &usb_otg {
           dr_mode = "peripheral";
           status = "okay";
   };
   
   &usbphy {
           /*
            * USB Type-A port VBUS is always on. However, MicroUSB VBUS can only
            * power up the board; when it's used as OTG port, this VBUS is
            * always off even if the board is powered via GPIO pins.
            */
           status = "okay";
           usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
   };

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