arch/arm/boot/dts/sun4i-a10-gemei-g9.dts

   1 /*
   2  * Copyright 2015 Priit Laes
   3  *
   4  * Priit Laes <plaes@plaes.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  * 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 "sun4i-a10.dtsi"
  47 #include "sunxi-common-regulators.dtsi"
  48 #include <dt-bindings/gpio/gpio.h>
  49 #include <dt-bindings/input/input.h>
  50 #include <dt-bindings/interrupt-controller/irq.h>
  51
  52 / {
  53         model = "Gemei G9 Tablet";
  54         compatible = "gemei,g9", "allwinner,sun4i-a10";
  55
  56         aliases {
  57                 serial0 = &uart0;
  58         };
  59
  60         chosen {
  61                 stdout-path = "serial0:115200n8";
  62         };
  63 };
  64
  65 /*
  66  * TODO:
  67  *   2x cameras via CSI
  68  *   AXP battery management
  69  *   NAND
  70  *   OTG
  71  *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
  72  */
  73 &codec {
  74         /* PH15 controls power to external amplifier (ft2012q) */
  75         pinctrl-names = "default";
  76         pinctrl-0 = <&codec_pa_pin>;
  77         allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>;
  78         status = "okay";
  79 };
  80
  81 &cpu0 {
  82         cpu-supply = <&reg_dcdc2>;
  83 };
  84
  85 &ehci0 {
  86         status = "okay";
  87 };
  88
  89 &ehci1 {
  90         status = "okay";
  91 };
  92
  93 &i2c0 {
  94         pinctrl-names = "default";
  95         pinctrl-0 = <&i2c0_pins_a>;
  96         status = "okay";
  97
  98         axp209: pmic@34 {
  99                 reg = <0x34>;
 100                 interrupts = <0>;
 101         };
 102 };
 103
 104 #include "axp209.dtsi"
 105
 106 &i2c1 {
 107         pinctrl-names = "default";
 108         pinctrl-0 = <&i2c1_pins_a>;
 109         status = "okay";
 110
 111         /* Accelerometer */
 112         bma250@18 {
 113                 compatible = "bosch,bma250";
 114                 reg = <0x18>;
 115                 interrupt-parent = <&pio>;
 116                 interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH00 / EINT0 */
 117         };
 118 };
 119
 120 &lradc {
 121         vref-supply = <&reg_ldo2>;
 122
 123         status = "okay";
 124
 125         button@158 {
 126                 label = "Volume Down";
 127                 linux,code = <KEY_VOLUMEDOWN>;
 128                 channel = <0>;
 129                 voltage = <158730>;
 130         };
 131
 132         button@349 {
 133                 label = "Volume Up";
 134                 linux,code = <KEY_VOLUMEUP>;
 135                 channel = <0>;
 136                 voltage = <349206>;
 137         };
 138
 139         button@1142 {
 140                 label = "Esc";
 141                 linux,code = <KEY_ESC>;
 142                 channel = <0>;
 143                 voltage = <1142856>;
 144         };
 145 };
 146
 147 &mmc0 {
 148         pinctrl-names = "default";
 149         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
 150         vmmc-supply = <&reg_vcc3v3>;
 151         bus-width = <4>;
 152         cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH01 */
 153         cd-inverted;
 154         status = "okay";
 155 };
 156
 157 &pio {
 158         codec_pa_pin: codec_pa_pin@0 {
 159                 allwinner,pins = "PH15";
 160                 allwinner,function = "gpio_out";
 161                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 162                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 163         };
 164 };
 165
 166 &reg_dcdc2 {
 167         regulator-always-on;
 168         regulator-min-microvolt = <1000000>;
 169         regulator-max-microvolt = <1400000>;
 170         regulator-name = "vdd-cpu";
 171 };
 172
 173 &reg_dcdc3 {
 174         regulator-always-on;
 175         regulator-min-microvolt = <1250000>;
 176         regulator-max-microvolt = <1250000>;
 177         regulator-name = "vdd-int-dll";
 178 };
 179
 180 &reg_ldo1 {
 181         regulator-name = "vdd-rtc";
 182 };
 183
 184 &reg_ldo2 {
 185         regulator-always-on;
 186         regulator-min-microvolt = <3000000>;
 187         regulator-max-microvolt = <3000000>;
 188         regulator-name = "avcc";
 189 };
 190
 191 &reg_usb1_vbus {
 192         status = "okay";
 193 };
 194
 195 &reg_usb2_vbus {
 196         status = "okay";
 197 };
 198
 199
 200 &uart0  {
 201         pinctrl-names = "default";
 202         pinctrl-0 = <&uart0_pins_a>;
 203         status = "okay";
 204 };
 205
 206 &usbphy {
 207         usb1_vbus-supply = <&reg_usb1_vbus>;
 208         usb2_vbus-supply = <&reg_usb2_vbus>;
 209         status = "okay";
 210 };