arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts

   1 /*
   2  * Copyright 2015 Aleksei Mamlin
   3  * Aleksei Mamlin <mamlinav@gmail.com>
   4  *
   5  * This file is dual-licensed: you can use it either under the terms
   6  * of the GPL or the X11 license, at your option. Note that this dual
   7  * licensing only applies to this file, and not this project as a
   8  * whole.
   9  *
  10  *  a) This file is free software; you can redistribute it and/or
  11  *     modify it under the terms of the GNU General Public License as
  12  *     published by the Free Software Foundation; either version 2 of the
  13  *     License, or (at your option) any later version.
  14  *
  15  *     This file is distributed in the hope that it will be useful,
  16  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *     GNU General Public License for more details.
  19  *
  20  * Or, alternatively,
  21  *
  22  *  b) Permission is hereby granted, free of charge, to any person
  23  *     obtaining a copy of this software and associated documentation
  24  *     files (the "Software"), to deal in the Software without
  25  *     restriction, including without limitation the rights to use,
  26  *     copy, modify, merge, publish, distribute, sublicense, and/or
  27  *     sell copies of the Software, and to permit persons to whom the
  28  *     Software is furnished to do so, subject to the following
  29  *     conditions:
  30  *
  31  *     The above copyright notice and this permission notice shall be
  32  *     included in all copies or substantial portions of the Software.
  33  *
  34  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  35  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  36  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  37  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  38  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  39  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  40  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  41  *     OTHER DEALINGS IN THE SOFTWARE.
  42  */
  43
  44 /dts-v1/;
  45 #include "sun7i-a20.dtsi"
  46 #include "sunxi-common-regulators.dtsi"
  47
  48 #include <dt-bindings/gpio/gpio.h>
  49 #include <dt-bindings/input/input.h>
  50 #include <dt-bindings/interrupt-controller/irq.h>
  51 #include <dt-bindings/pwm/pwm.h>
  52
  53 / {
  54         model = "Wexler TAB7200";
  55         compatible = "wexler,tab7200", "allwinner,sun7i-a20";
  56
  57         aliases {
  58                 serial0 = &uart0;
  59         };
  60
  61         backlight {
  62                 compatible = "pwm-backlight";
  63                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
  64                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
  65                 default-brightness-level = <8>;
  66                 pinctrl-names = "default";
  67                 pinctrl-0 = <&bl_enable_pin>;
  68                 enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
  69         };
  70
  71         chosen {
  72                 stdout-path = "serial0:115200n8";
  73         };
  74 };
  75
  76 &codec {
  77         pinctrl-names = "default";
  78         pinctrl-0 = <&codec_pa_pin>;
  79         allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
  80         status = "okay";
  81 };
  82
  83 &cpu0 {
  84         cpu-supply = <&reg_dcdc2>;
  85 };
  86
  87 &ehci0 {
  88         status = "okay";
  89 };
  90
  91 &ehci1 {
  92         status = "okay";
  93 };
  94
  95 &i2c0 {
  96         pinctrl-names = "default";
  97         pinctrl-0 = <&i2c0_pins_a>;
  98         status = "okay";
  99
 100         axp209: pmic@34 {
 101                 reg = <0x34>;
 102                 interrupt-parent = <&nmi_intc>;
 103                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 104         };
 105 };
 106
 107 #include "axp209.dtsi"
 108
 109 &i2c1 {
 110         pinctrl-names = "default";
 111         pinctrl-0 = <&i2c1_pins_a>;
 112         status = "okay";
 113 };
 114
 115 &i2c2 {
 116         pinctrl-names = "default";
 117         pinctrl-0 = <&i2c2_pins_a>;
 118         status = "okay";
 119
 120         gt911: touchscreen@5d {
 121                 compatible = "goodix,gt911";
 122                 reg = <0x5d>;
 123                 interrupt-parent = <&pio>;
 124                 interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
 125                 pinctrl-names = "default";
 126                 pinctrl-0 = <&ts_reset_pin>;
 127                 irq-gpios = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* INT (PH21) */
 128                 reset-gpios = <&pio 1 13 GPIO_ACTIVE_HIGH>; /* RST (PB13) */
 129                 touchscreen-swapped-x-y;
 130         };
 131 };
 132
 133 &lradc {
 134         vref-supply = <&reg_vcc3v0>;
 135         status = "okay";
 136
 137         button@571 {
 138                 label = "Volume Up";
 139                 linux,code = <KEY_VOLUMEUP>;
 140                 channel = <0>;
 141                 voltage = <571428>;
 142         };
 143
 144         button@761 {
 145                 label = "Volume Down";
 146                 linux,code = <KEY_VOLUMEDOWN>;
 147                 channel = <0>;
 148                 voltage = <761904>;
 149         };
 150 };
 151
 152 &mmc0 {
 153         pinctrl-names = "default";
 154         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
 155         vmmc-supply = <&reg_vcc3v3>;
 156         bus-width = <4>;
 157         cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
 158         cd-inverted;
 159         status = "okay";
 160 };
 161
 162 &ohci0 {
 163         status = "okay";
 164 };
 165
 166 &ohci1 {
 167         status = "okay";
 168 };
 169
 170 &otg_sram {
 171         status = "okay";
 172 };
 173
 174 &pio {
 175         bl_enable_pin: bl_enable_pin@0 {
 176                 allwinner,pins = "PH7";
 177                 allwinner,function = "gpio_out";
 178                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 179                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 180         };
 181
 182         codec_pa_pin: codec_pa_pin@0 {
 183                 allwinner,pins = "PH15";
 184                 allwinner,function = "gpio_out";
 185                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 186                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 187         };
 188
 189         ts_reset_pin: ts_reset_pin@0 {
 190                 allwinner,pins = "PB13";
 191                 allwinner,function = "gpio_out";
 192                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 193                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 194         };
 195
 196         usb0_id_detect_pin: usb0_id_detect_pin@0 {
 197                 allwinner,pins = "PH4";
 198                 allwinner,function = "gpio_in";
 199                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 200                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 201         };
 202 };
 203
 204 &pwm {
 205         pinctrl-names = "default";
 206         pinctrl-0 = <&pwm0_pins_a>;
 207         status = "okay";
 208 };
 209
 210 &reg_dcdc2 {
 211         regulator-always-on;
 212         regulator-min-microvolt = <1000000>;
 213         regulator-max-microvolt = <1450000>;
 214         regulator-name = "vdd-cpu";
 215 };
 216
 217 &reg_dcdc3 {
 218         regulator-always-on;
 219         regulator-min-microvolt = <1000000>;
 220         regulator-max-microvolt = <1400000>;
 221         regulator-name = "vdd-int-dll";
 222 };
 223
 224 &reg_ldo1 {
 225         regulator-name = "vdd-rtc";
 226 };
 227
 228 &reg_ldo2 {
 229         regulator-always-on;
 230         regulator-min-microvolt = <3000000>;
 231         regulator-max-microvolt = <3000000>;
 232         regulator-name = "avcc";
 233 };
 234
 235 &reg_usb0_vbus {
 236         status = "okay";
 237 };
 238
 239 &reg_usb1_vbus {
 240         status = "okay";
 241 };
 242
 243 &reg_usb2_vbus {
 244         status = "okay";
 245 };
 246
 247 &uart0 {
 248         pinctrl-names = "default";
 249         pinctrl-0 = <&uart0_pins_a>;
 250         status = "okay";
 251 };
 252
 253 &usb_otg {
 254         dr_mode = "otg";
 255         status = "okay";
 256 };
 257
 258 &usb_power_supply {
 259         status = "okay";
 260 };
 261
 262 &usbphy {
 263         pinctrl-names = "default";
 264         pinctrl-0 = <&usb0_id_detect_pin>;
 265         usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
 266         usb0_vbus_power-supply = <&usb_power_supply>;
 267         usb0_vbus-supply = <&reg_usb0_vbus>;
 268         usb1_vbus-supply = <&reg_usb1_vbus>;
 269         usb2_vbus-supply = <&reg_usb2_vbus>;
 270         status = "okay";
 271 };