sun8i-a23-evb.dts

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    1 /*
    2  * Copyright 2015 Maxime Ripard
    3  *
    4  * Maxime Ripard <maxime.ripard@free-electrons.com>
    5  *
    6  * This file is dual-licensed: you can use it either under the terms
    7  * of the GPL or the X11 license, at your option. Note that this dual
    8  * licensing only applies to this file, and not this project as a
    9  * whole.
   10  *
   11  *  a) This file is free software; you can redistribute it and/or
   12  *     modify it under the terms of the GNU General Public License as
   13  *     published by the Free Software Foundation; either version 2 of the
   14  *     License, or (at your option) any later version.
   15  *
   16  *     This file is distributed in the hope that it will be useful,
   17  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
   18  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   19  *     GNU General Public License for more details.
   20  *
   21  * Or, alternatively,
   22  *
   23  *  b) Permission is hereby granted, free of charge, to any person
   24  *     obtaining a copy of this software and associated documentation
   25  *     files (the "Software"), to deal in the Software without
   26  *     restriction, including without limitation the rights to use,
   27  *     copy, modify, merge, publish, distribute, sublicense, and/or
   28  *     sell copies of the Software, and to permit persons to whom the
   29  *     Software is furnished to do so, subject to the following
   30  *     conditions:
   31  *
   32  *     The above copyright notice and this permission notice shall be
   33  *     included in all copies or substantial portions of the Software.
   34  *
   35  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   36  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   37  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   38  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   39  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   40  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   41  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   42  *     OTHER DEALINGS IN THE SOFTWARE.
   43  */
   44 
   45 /dts-v1/;
   46 #include "sun8i-a23.dtsi"
   47 #include "sunxi-common-regulators.dtsi"
   48 
   49 #include <dt-bindings/gpio/gpio.h>
   50 #include <dt-bindings/input/input.h>
   51 
   52 / {
   53         model = "Allwinner A23 Evaluation Board";
   54         compatible = "allwinner,sun8i-a23-evb", "allwinner,sun8i-a23";
   55 
   56         aliases {
   57                 i2c0 = &i2c0;
   58                 i2c1 = &i2c1;
   59                 serial0 = &r_uart;
   60         };
   61 
   62         chosen {
   63                 stdout-path = "serial0:115200n8";
   64         };
   65 };
   66 
   67 &i2c0 {
   68         status = "okay";
   69 };
   70 
   71 &i2c1 {
   72         status = "okay";
   73 };
   74 
   75 &lradc {
   76         vref-supply = <&reg_vcc3v0>;
   77         status = "okay";
   78 
   79         button-190 {
   80                 label = "Volume Up";
   81                 linux,code = <KEY_VOLUMEUP>;
   82                 channel = <0>;
   83                 voltage = <190000>;
   84         };
   85 
   86         button-390 {
   87                 label = "Volume Down";
   88                 linux,code = <KEY_VOLUMEDOWN>;
   89                 channel = <0>;
   90                 voltage = <390000>;
   91         };
   92 
   93         button-600 {
   94                 label = "Home";
   95                 linux,code = <KEY_HOME>;
   96                 channel = <0>;
   97                 voltage = <600000>;
   98         };
   99 };
  100 
  101 &mmc0 {
  102         vmmc-supply = <&reg_vcc3v0>;
  103         bus-width = <4>;
  104         cd-gpios = <&pio 1 4 GPIO_ACTIVE_LOW>; /* PB4 */
  105         status = "okay";
  106 };
  107 
  108 /*
  109  * The RX line has a non-populated resistance. In order to use it, you
  110  * need to solder R207 on the back of the board in order to close the
  111  * line and get a working UART.
  112  */
  113 &r_uart {
  114         pinctrl-names = "default";
  115         pinctrl-0 = <&r_uart_pins_a>;
  116         status = "okay";
  117 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/sun8i-a23-evb.dts

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/sun8i-a23-evb.dts