arch/arm/boot/dts/sun4i-a10-pov-protab2-ips9.dts

   1 /*
   2  * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This file is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License, or (at your option) any later version.
  13  *
  14  *     This file is distributed in the hope that it will be useful,
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  * Or, alternatively,
  20  *
  21  *  b) Permission is hereby granted, free of charge, to any person
  22  *     obtaining a copy of this software and associated documentation
  23  *     files (the "Software"), to deal in the Software without
  24  *     restriction, including without limitation the rights to use,
  25  *     copy, modify, merge, publish, distribute, sublicense, and/or
  26  *     sell copies of the Software, and to permit persons to whom the
  27  *     Software is furnished to do so, subject to the following
  28  *     conditions:
  29  *
  30  *     The above copyright notice and this permission notice shall be
  31  *     included in all copies or substantial portions of the Software.
  32  *
  33  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  34  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  38  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40  *     OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42
  43 /dts-v1/;
  44 #include "sun4i-a10.dtsi"
  45 #include "sunxi-common-regulators.dtsi"
  46 #include <dt-bindings/gpio/gpio.h>
  47 #include <dt-bindings/input/input.h>
  48 #include <dt-bindings/interrupt-controller/irq.h>
  49 #include <dt-bindings/pwm/pwm.h>
  50
  51 / {
  52         model = "Point of View Protab2-IPS9";
  53         compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
  54
  55         aliases {
  56                 serial0 = &uart0;
  57         };
  58
  59         backlight: backlight {
  60                 compatible = "pwm-backlight";
  61                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
  62                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
  63                 default-brightness-level = <8>;
  64                 enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
  65         };
  66
  67         chosen {
  68                 stdout-path = "serial0:115200n8";
  69         };
  70 };
  71
  72 &codec {
  73         allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
  74         status = "okay";
  75 };
  76
  77 &cpu0 {
  78         cpu-supply = <&reg_dcdc2>;
  79 };
  80
  81 &ehci0 {
  82         status = "okay";
  83 };
  84
  85 &i2c0 {
  86         status = "okay";
  87
  88         axp209: pmic@34 {
  89                 reg = <0x34>;
  90                 interrupts = <0>;
  91         };
  92 };
  93
  94 #include "axp209.dtsi"
  95
  96 &i2c1 {
  97         /* pull-ups and devices require AXP209 LDO3 */
  98         status = "failed";
  99 };
 100
 101 &i2c2 {
 102         status = "okay";
 103
 104         touchscreen@5c {
 105                 compatible = "pixcir,pixcir_tangoc";
 106                 reg = <0x5c>;
 107                 interrupt-parent = <&pio>;
 108                 interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
 109                 attb-gpio = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* PH21 */
 110                 enable-gpios = <&pio 0 5 GPIO_ACTIVE_LOW>;
 111                 wake-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>;
 112                 touchscreen-size-x = <1024>;
 113                 touchscreen-size-y = <768>;
 114                 touchscreen-inverted-x;
 115                 touchscreen-inverted-y;
 116         };
 117 };
 118
 119 &lradc {
 120         vref-supply = <&reg_ldo2>;
 121         status = "okay";
 122
 123         button-400 {
 124                 label = "Volume Up";
 125                 linux,code = <KEY_VOLUMEUP>;
 126                 channel = <0>;
 127                 voltage = <400000>;
 128         };
 129
 130         button-800 {
 131                 label = "Volume Down";
 132                 linux,code = <KEY_VOLUMEDOWN>;
 133                 channel = <0>;
 134                 voltage = <800000>;
 135         };
 136 };
 137
 138 &mmc0 {
 139         vmmc-supply = <&reg_vcc3v3>;
 140         bus-width = <4>;
 141         cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
 142         status = "okay";
 143 };
 144
 145 &otg_sram {
 146         status = "okay";
 147 };
 148
 149 &pio {
 150         usb0_id_detect_pin: usb0-id-detect-pin {
 151                 pins = "PH4";
 152                 function = "gpio_in";
 153                 bias-pull-up;
 154         };
 155
 156         usb0_vbus_detect_pin: usb0-vbus-detect-pin {
 157                 pins = "PH5";
 158                 function = "gpio_in";
 159                 bias-pull-down;
 160         };
 161 };
 162
 163 &pwm {
 164         pinctrl-names = "default";
 165         pinctrl-0 = <&pwm0_pin>;
 166         status = "okay";
 167 };
 168
 169 &reg_dcdc2 {
 170         regulator-always-on;
 171         regulator-min-microvolt = <1000000>;
 172         regulator-max-microvolt = <1400000>;
 173         regulator-name = "vdd-cpu";
 174 };
 175
 176 &reg_dcdc3 {
 177         regulator-always-on;
 178         regulator-min-microvolt = <1250000>;
 179         regulator-max-microvolt = <1250000>;
 180         regulator-name = "vdd-int-dll";
 181 };
 182
 183 &reg_ldo1 {
 184         regulator-name = "vdd-rtc";
 185 };
 186
 187 &reg_ldo2 {
 188         regulator-always-on;
 189         regulator-min-microvolt = <3000000>;
 190         regulator-max-microvolt = <3000000>;
 191         regulator-name = "avcc";
 192 };
 193
 194 &reg_usb0_vbus {
 195         status = "okay";
 196 };
 197
 198 &reg_usb1_vbus {
 199         status = "okay";
 200 };
 201
 202 &uart0 {
 203         pinctrl-names = "default";
 204         pinctrl-0 = <&uart0_pb_pins>;
 205         status = "okay";
 206 };
 207
 208 &usb_otg {
 209         dr_mode = "otg";
 210         status = "okay";
 211 };
 212
 213 &usbphy {
 214         pinctrl-names = "default";
 215         pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
 216         usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
 217         usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 218         usb0_vbus-supply = <&reg_usb0_vbus>;
 219         usb1_vbus-supply = <&reg_usb1_vbus>;
 220         status = "okay";
 221 };