FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/sun4i-a10-gemei-g9.dts

     /*
      * Copyright 2015 Priit Laes
      *
      * Priit Laes <plaes@plaes.org>
      *
      * 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 "sun4i-a10.dtsi"
    #include "sunxi-common-regulators.dtsi"
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/input/input.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    
    / {
            model = "Gemei G9 Tablet";
            compatible = "gemei,g9", "allwinner,sun4i-a10";
    
            aliases {
                    serial0 = &uart0;
            };
    
            chosen {
                    stdout-path = "serial0:115200n8";
            };
    };
    
    /*
     * TODO:
     *   2x cameras via CSI
     *   AXP battery management
     *   NAND
     *   OTG
     *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
     */
    &codec {
            /* PH15 controls power to external amplifier (ft2012q) */
            allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>;
            status = "okay";
    };
    
    &cpu0 {
            cpu-supply = <&reg_dcdc2>;
    };
    
    &ehci0 {
            status = "okay";
    };
    
    &ehci1 {
            status = "okay";
    };
    
    &i2c0 {
            status = "okay";
    
            axp209: pmic@34 {
                    reg = <0x34>;
                    interrupts = <0>;
            };
    };
    
   #include "axp209.dtsi"
   
   &i2c1 {
           status = "okay";
   
           /* Accelerometer */
           bma250@18 {
                   compatible = "bosch,bma250";
                   reg = <0x18>;
                   interrupt-parent = <&pio>;
                   interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH00 / EINT0 */
           };
   };
   
   &lradc {
           vref-supply = <&reg_ldo2>;
   
           status = "okay";
   
           button-158 {
                   label = "Volume Down";
                   linux,code = <KEY_VOLUMEDOWN>;
                   channel = <0>;
                   voltage = <158730>;
           };
   
           button-349 {
                   label = "Volume Up";
                   linux,code = <KEY_VOLUMEUP>;
                   channel = <0>;
                   voltage = <349206>;
           };
   
           button-1142 {
                   label = "Esc";
                   linux,code = <KEY_ESC>;
                   channel = <0>;
                   voltage = <1142856>;
           };
   };
   
   &mmc0 {
           vmmc-supply = <&reg_vcc3v3>;
           bus-width = <4>;
           cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH01 */
           status = "okay";
   };
   
   &reg_dcdc2 {
           regulator-always-on;
           regulator-min-microvolt = <1000000>;
           regulator-max-microvolt = <1400000>;
           regulator-name = "vdd-cpu";
   };
   
   &reg_dcdc3 {
           regulator-always-on;
           regulator-min-microvolt = <1250000>;
           regulator-max-microvolt = <1250000>;
           regulator-name = "vdd-int-dll";
   };
   
   &reg_ldo1 {
           regulator-name = "vdd-rtc";
   };
   
   &reg_ldo2 {
           regulator-always-on;
           regulator-min-microvolt = <3000000>;
           regulator-max-microvolt = <3000000>;
           regulator-name = "avcc";
   };
   
   &reg_usb1_vbus {
           status = "okay";
   };
   
   &reg_usb2_vbus {
           status = "okay";
   };
   
   
   &uart0  {
           pinctrl-names = "default";
           pinctrl-0 = <&uart0_pb_pins>;
           status = "okay";
   };
   
   &usbphy {
           usb1_vbus-supply = <&reg_usb1_vbus>;
           usb2_vbus-supply = <&reg_usb2_vbus>;
           status = "okay";
   };

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