kernel/arch/arm/boot/dts/sun8i-a23-ippo-q8h-v5.dts

   1 /*
   2  * Copyright 2014 Chen-Yu Tsai
   3  *
   4  * Chen-Yu Tsai <wens@csie.org>
   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  *     You should have received a copy of the GNU General Public
  22  *     License along with this file; if not, write to the Free
  23  *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  24  *     MA 02110-1301 USA
  25  *
  26  * Or, alternatively,
  27  *
  28  *  b) Permission is hereby granted, free of charge, to any person
  29  *     obtaining a copy of this software and associated documentation
  30  *     files (the "Software"), to deal in the Software without
  31  *     restriction, including without limitation the rights to use,
  32  *     copy, modify, merge, publish, distribute, sublicense, and/or
  33  *     sell copies of the Software, and to permit persons to whom the
  34  *     Software is furnished to do so, subject to the following
  35  *     conditions:
  36  *
  37  *     The above copyright notice and this permission notice shall be
  38  *     included in all copies or substantial portions of the Software.
  39  *
  40  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  41  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  42  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  43  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  44  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  45  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  46  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  47  *     OTHER DEALINGS IN THE SOFTWARE.
  48  */
  49
  50 /dts-v1/;
  51 #include "sun8i-a23.dtsi"
  52 #include "sunxi-common-regulators.dtsi"
  53
  54 #include <dt-bindings/gpio/gpio.h>
  55 #include <dt-bindings/input/input.h>
  56 #include <dt-bindings/pinctrl/sun4i-a10.h>
  57
  58 / {
  59         model = "Ippo Q8H Dual Core Tablet (v5)";
  60         compatible = "ippo,q8h-v5", "allwinner,sun8i-a23";
  61
  62         aliases {
  63                 serial0 = &r_uart;
  64         };
  65
  66         chosen {
  67                 bootargs = "earlyprintk console=ttyS0,115200";
  68         };
  69
  70         soc@01c00000 {
  71                 mmc0: mmc@01c0f000 {
  72                         pinctrl-names = "default";
  73                         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_q8h>;
  74                         vmmc-supply = <&reg_vcc3v0>;
  75                         bus-width = <4>;
  76                         cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
  77                         cd-inverted;
  78                         status = "okay";
  79                 };
  80
  81                 pinctrl@01c20800 {
  82                         mmc0_cd_pin_q8h: mmc0_cd_pin@0 {
  83                                 allwinner,pins = "PB4";
  84                                 allwinner,function = "gpio_in";
  85                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
  86                                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
  87                         };
  88                 };
  89
  90                 lradc: lradc@01c22800 {
  91                         vref-supply = <&reg_vcc3v0>;
  92                         status = "okay";
  93
  94                         button@200 {
  95                                 label = "Volume Up";
  96                                 linux,code = <KEY_VOLUMEUP>;
  97                                 channel = <0>;
  98                                 voltage = <200000>;
  99                         };
 100
 101                         button@400 {
 102                                 label = "Volume Down";
 103                                 linux,code = <KEY_VOLUMEDOWN>;
 104                                 channel = <0>;
 105                                 voltage = <400000>;
 106                         };
 107                 };
 108
 109                 i2c0: i2c@01c2ac00 {
 110                         pinctrl-names = "default";
 111                         pinctrl-0 = <&i2c0_pins_a>;
 112                         status = "okay";
 113                 };
 114
 115                 i2c1: i2c@01c2b000 {
 116                         pinctrl-names = "default";
 117                         pinctrl-0 = <&i2c1_pins_a>;
 118                         status = "okay";
 119                 };
 120
 121                 i2c2: i2c@01c2b400 {
 122                         pinctrl-names = "default";
 123                         pinctrl-0 = <&i2c2_pins_a>;
 124                         /* pull-ups and devices require PMIC regulator */
 125                         status = "failed";
 126                 };
 127
 128                 r_uart: serial@01f02800 {
 129                         pinctrl-names = "default";
 130                         pinctrl-0 = <&r_uart_pins_a>;
 131                         status = "okay";
 132                 };
 133         };
 134 };