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  *   audio input
  69  *   AXP battery management
  70  *   NAND
  71  *   OTG
  72  *   Touchscreen - gt801_2plus1 @ i2c adapter 2 @ 0x48
  73  */
  74 &codec {
  75         status = "okay";
  76 };
  77
  78 &cpu0 {
  79         cpu-supply = <&reg_dcdc2>;
  80 };
  81
  82 &ehci0 {
  83         status = "okay";
  84 };
  85
  86 &ehci1 {
  87         status = "okay";
  88 };
  89
  90 &i2c0 {
  91         pinctrl-names = "default";
  92         pinctrl-0 = <&i2c0_pins_a>;
  93         status = "okay";
  94
  95         axp209: pmic@34 {
  96                 reg = <0x34>;
  97                 interrupts = <0>;
  98         };
  99 };
 100
 101 #include "axp209.dtsi"
 102
 103 &i2c1 {
 104         pinctrl-names = "default";
 105         pinctrl-0 = <&i2c1_pins_a>;
 106         status = "okay";
 107
 108         /* Accelerometer */
 109         bma250@18 {
 110                 compatible = "bosch,bma250";
 111                 reg = <0x18>;
 112                 interrupt-parent = <&pio>;
 113                 interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH00 / EINT0 */
 114         };
 115 };
 116
 117 &lradc {
 118         vref-supply = <&reg_ldo2>;
 119
 120         status = "okay";
 121
 122         button@158 {
 123                 label = "Volume Down";
 124                 linux,code = <KEY_VOLUMEDOWN>;
 125                 channel = <0>;
 126                 voltage = <158730>;
 127         };
 128
 129         button@349 {
 130                 label = "Volume Up";
 131                 linux,code = <KEY_VOLUMEUP>;
 132                 channel = <0>;
 133                 voltage = <349206>;
 134         };
 135
 136         button@1142 {
 137                 label = "Esc";
 138                 linux,code = <KEY_ESC>;
 139                 channel = <0>;
 140                 voltage = <1142856>;
 141         };
 142 };
 143
 144 &mmc0 {
 145         pinctrl-names = "default";
 146         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
 147         vmmc-supply = <&reg_vcc3v3>;
 148         bus-width = <4>;
 149         cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH01 */
 150         cd-inverted;
 151         status = "okay";
 152 };
 153
 154 &reg_dcdc2 {
 155         regulator-always-on;
 156         regulator-min-microvolt = <1000000>;
 157         regulator-max-microvolt = <1400000>;
 158         regulator-name = "vdd-cpu";
 159 };
 160
 161 &reg_dcdc3 {
 162         regulator-always-on;
 163         regulator-min-microvolt = <1250000>;
 164         regulator-max-microvolt = <1250000>;
 165         regulator-name = "vdd-int-dll";
 166 };
 167
 168 &reg_ldo1 {
 169         regulator-name = "vdd-rtc";
 170 };
 171
 172 &reg_ldo2 {
 173         regulator-always-on;
 174         regulator-min-microvolt = <3000000>;
 175         regulator-max-microvolt = <3000000>;
 176         regulator-name = "avcc";
 177 };
 178
 179 &reg_usb1_vbus {
 180         status = "okay";
 181 };
 182
 183 &reg_usb2_vbus {
 184         status = "okay";
 185 };
 186
 187
 188 &uart0  {
 189         pinctrl-names = "default";
 190         pinctrl-0 = <&uart0_pins_a>;
 191         status = "okay";
 192 };
 193
 194 &usbphy {
 195         usb1_vbus-supply = <&reg_usb1_vbus>;
 196         usb2_vbus-supply = <&reg_usb2_vbus>;
 197         status = "okay";
 198 };