arch/arm/boot/dts/sun8i-a23-polaroid-mid2809pxe04.dts

   1 /*
   2  * Copyright 2016 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 "sun8i-a23.dtsi"
  45 #include "sunxi-common-regulators.dtsi"
  46
  47 #include <dt-bindings/gpio/gpio.h>
  48 #include <dt-bindings/input/input.h>
  49 #include <dt-bindings/pinctrl/sun4i-a10.h>
  50 #include <dt-bindings/pwm/pwm.h>
  51
  52 / {
  53         model = "Polaroid MID2809PXE04 tablet";
  54         compatible = "polaroid,mid2809pxe04", "allwinner,sun8i-a23";
  55
  56         aliases {
  57                 serial0 = &r_uart;
  58         };
  59
  60         backlight: backlight {
  61                 compatible = "pwm-backlight";
  62                 pinctrl-names = "default";
  63                 pinctrl-0 = <&bl_en_pin_mid2809>;
  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 6 GPIO_ACTIVE_HIGH>; /* PH6 */
  68         };
  69
  70         chosen {
  71                 stdout-path = "serial0:115200n8";
  72         };
  73 };
  74
  75 &i2c0 {
  76         pinctrl-names = "default";
  77         pinctrl-0 = <&i2c0_pins_a>;
  78         status = "okay";
  79 };
  80
  81 &i2c1 {
  82         pinctrl-names = "default";
  83         pinctrl-0 = <&i2c1_pins_a>;
  84         status = "okay";
  85 };
  86
  87 &lradc {
  88         vref-supply = <&reg_vcc3v0>;
  89         status = "okay";
  90
  91         button@200 {
  92                 label = "Volume Up";
  93                 linux,code = <KEY_VOLUMEUP>;
  94                 channel = <0>;
  95                 voltage = <200000>;
  96         };
  97
  98         button@400 {
  99                 label = "Volume Down";
 100                 linux,code = <KEY_VOLUMEDOWN>;
 101                 channel = <0>;
 102                 voltage = <400000>;
 103         };
 104 };
 105
 106 &mmc0 {
 107         pinctrl-names = "default";
 108         pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_mid2809>;
 109         vmmc-supply = <&reg_dcdc1>;
 110         bus-width = <4>;
 111         cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
 112         cd-inverted;
 113         status = "okay";
 114 };
 115
 116 &pio {
 117         bl_en_pin_mid2809: bl_en_pin@0 {
 118                 allwinner,pins = "PH6";
 119                 allwinner,function = "gpio_in";
 120                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 121                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 122         };
 123
 124         mmc0_cd_pin_mid2809: mmc0_cd_pin@0 {
 125                 allwinner,pins = "PB4";
 126                 allwinner,function = "gpio_in";
 127                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 128                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 129         };
 130
 131         usb0_id_detect_pin: usb0_id_detect_pin@0 {
 132                 allwinner,pins = "PH8";
 133                 allwinner,function = "gpio_in";
 134                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 135                 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
 136         };
 137 };
 138
 139 &pwm {
 140         pinctrl-names = "default";
 141         pinctrl-0 = <&pwm0_pins>;
 142         status = "okay";
 143 };
 144
 145 &r_rsb {
 146         status = "okay";
 147
 148         axp22x: pmic@3a3 {
 149                 compatible = "x-powers,axp223";
 150                 reg = <0x3a3>;
 151                 interrupt-parent = <&nmi_intc>;
 152                 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
 153                 eldoin-supply = <&reg_dcdc1>;
 154                 x-powers,drive-vbus-en;
 155         };
 156 };
 157
 158 &r_uart {
 159         pinctrl-names = "default";
 160         pinctrl-0 = <&r_uart_pins_a>;
 161         status = "okay";
 162 };
 163
 164 #include "axp22x.dtsi"
 165
 166 &reg_aldo1 {
 167         regulator-always-on;
 168         regulator-min-microvolt = <3000000>;
 169         regulator-max-microvolt = <3000000>;
 170         regulator-name = "vcc-io";
 171 };
 172
 173 &reg_aldo2 {
 174         regulator-always-on;
 175         regulator-min-microvolt = <2350000>;
 176         regulator-max-microvolt = <2650000>;
 177         regulator-name = "vdd-dll";
 178 };
 179
 180 &reg_aldo3 {
 181         regulator-always-on;
 182         regulator-min-microvolt = <2700000>;
 183         regulator-max-microvolt = <3300000>;
 184         regulator-name = "vcc-pll-avcc";
 185 };
 186
 187 &reg_dc1sw {
 188         regulator-name = "vcc-lcd";
 189 };
 190
 191 &reg_dc5ldo {
 192         regulator-always-on;
 193         regulator-min-microvolt = <900000>;
 194         regulator-max-microvolt = <1400000>;
 195         regulator-name = "vdd-cpus";
 196 };
 197
 198 &reg_dcdc1 {
 199         regulator-always-on;
 200         regulator-min-microvolt = <3000000>;
 201         regulator-max-microvolt = <3000000>;
 202         regulator-name = "vcc-3v0";
 203 };
 204
 205 &reg_dcdc2 {
 206         regulator-always-on;
 207         regulator-min-microvolt = <900000>;
 208         regulator-max-microvolt = <1400000>;
 209         regulator-name = "vdd-sys";
 210 };
 211
 212 &reg_dcdc3 {
 213         regulator-always-on;
 214         regulator-min-microvolt = <900000>;
 215         regulator-max-microvolt = <1400000>;
 216         regulator-name = "vdd-cpu";
 217 };
 218
 219 &reg_dcdc5 {
 220         regulator-always-on;
 221         regulator-min-microvolt = <1500000>;
 222         regulator-max-microvolt = <1500000>;
 223         regulator-name = "vcc-dram";
 224 };
 225
 226 &reg_drivevbus {
 227         regulator-name = "usb0-vbus";
 228         status = "okay";
 229 };
 230
 231 &reg_rtc_ldo {
 232         regulator-name = "vcc-rtc";
 233 };
 234
 235 &simplefb_lcd {
 236         vcc-lcd-supply = <&reg_dc1sw>;
 237 };
 238
 239 &usb_otg {
 240         dr_mode = "otg";
 241         status = "okay";
 242 };
 243
 244 &usb_power_supply {
 245         status = "okay";
 246 };
 247
 248 &usbphy {
 249         pinctrl-names = "default";
 250         pinctrl-0 = <&usb0_id_detect_pin>;
 251         usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
 252         usb0_vbus_power-supply = <&usb_power_supply>;
 253         usb0_vbus-supply = <&reg_drivevbus>;
 254         status = "okay";
 255 };