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/pinctrl/sun4i-a10.h>
  50 #include <dt-bindings/pwm/pwm.h>
  51
  52 / {
  53         model = "Point of View Protab2-IPS9";
  54         compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
  55
  56         aliases {
  57                 serial0 = &uart0;
  58         };
  59
  60         backlight: backlight {
  61                 compatible = "pwm-backlight";
  62                 pinctrl-names = "default";
  63                 pinctrl-0 = <&bl_en_pin_protab>;
  64                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
  65                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
  66                 default-brightness-level = <8>;
  67                 enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
  68         };
  69
  70         chosen {
  71                 stdout-path = "serial0:115200n8";
  72         };
  73 };
  74
  75 &cpu0 {
  76         cpu-supply = <&reg_dcdc2>;
  77 };
  78
  79 &ehci0 {
  80         status = "okay";
  81 };
  82
  83 &i2c0 {
  84         pinctrl-names = "default";
  85         pinctrl-0 = <&i2c0_pins_a>;
  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         pinctrl-names = "default";
  98         pinctrl-0 = <&i2c1_pins_a>;
  99         /* pull-ups and devices require AXP209 LDO3 */
 100         status = "failed";
 101 };
 102
 103 &i2c2 {
 104         pinctrl-names = "default";
 105         pinctrl-0 = <&i2c2_pins_a>;
 106         status = "okay";
 107
 108         pixcir_ts@5c {
 109                 pinctrl-names = "default";
 110                 pinctrl-0 = <&touchscreen_pins>;
 111                 compatible = "pixcir,pixcir_tangoc";
 112                 reg = <0x5c>;
 113                 interrupt-parent = <&pio>;
 114                 interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
 115                 attb-gpio = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* PH21 */
 116                 enable-gpios = <&pio 0 5 GPIO_ACTIVE_LOW>;
 117                 wake-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>;
 118                 touchscreen-size-x = <1024>;
 119                 touchscreen-size-y = <768>;
 120                 touchscreen-inverted-x;
 121                 touchscreen-inverted-y;
 122         };
 123 };
 124
 125 &lradc {
 126         vref-supply = <&reg_ldo2>;
 127         status = "okay";
 128
 129         button@400 {
 130                 label = "Volume Up";
 131                 linux,code = <KEY_VOLUMEUP>;
 132                 channel = <0>;
 133                 voltage = <400000>;
 134         };
 135
 136         button@800 {
 137                 label = "Volume Down";
 138                 linux,code = <KEY_VOLUMEDOWN>;
 139                 channel = <0>;
 140                 voltage = <800000>;
 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>; /* PH1 */
 150         cd-inverted;
 151         status = "okay";
 152 };
 153
 154 &otg_sram {
 155         status = "okay";
 156 };
 157
 158 &pio {
 159         bl_en_pin_protab: bl_en_pin@0 {
 160                 allwinner,pins = "PH7";
 161                 allwinner,function = "gpio_out";
 162                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 163                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 164         };
 165
 166         touchscreen_pins: touchscreen_pins@0 {
 167                 allwinner,pins = "PA5", "PB13";
 168                 allwinner,function = "gpio_out";
 169                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 170                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 171         };
 172
 173         usb0_id_detect_pin: usb0_id_detect_pin@0 {
 174                 allwinner,pins = "PH4";
 175                 allwinner,function = "gpio_in";
 176                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 177                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 178         };
 179
 180         usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
 181                 allwinner,pins = "PH5";
 182                 allwinner,function = "gpio_in";
 183                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 184                 allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
 185         };
 186 };
 187
 188 &pwm {
 189         pinctrl-names = "default";
 190         pinctrl-0 = <&pwm0_pins_a>;
 191         status = "okay";
 192 };
 193
 194 &reg_dcdc2 {
 195         regulator-always-on;
 196         regulator-min-microvolt = <1000000>;
 197         regulator-max-microvolt = <1400000>;
 198         regulator-name = "vdd-cpu";
 199 };
 200
 201 &reg_dcdc3 {
 202         regulator-always-on;
 203         regulator-min-microvolt = <1250000>;
 204         regulator-max-microvolt = <1250000>;
 205         regulator-name = "vdd-int-dll";
 206 };
 207
 208 &reg_ldo1 {
 209         regulator-name = "vdd-rtc";
 210 };
 211
 212 &reg_ldo2 {
 213         regulator-always-on;
 214         regulator-min-microvolt = <3000000>;
 215         regulator-max-microvolt = <3000000>;
 216         regulator-name = "avcc";
 217 };
 218
 219 &reg_usb0_vbus {
 220         status = "okay";
 221 };
 222
 223 &reg_usb1_vbus {
 224         status = "okay";
 225 };
 226
 227 &uart0 {
 228         pinctrl-names = "default";
 229         pinctrl-0 = <&uart0_pins_a>;
 230         status = "okay";
 231 };
 232
 233 &usb_otg {
 234         dr_mode = "otg";
 235         status = "okay";
 236 };
 237
 238 &usbphy {
 239         pinctrl-names = "default";
 240         pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
 241         usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
 242         usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
 243         usb0_vbus-supply = <&reg_usb0_vbus>;
 244         usb1_vbus-supply = <&reg_usb1_vbus>;
 245         status = "okay";
 246 };