arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts

   1 // SPDX-License-Identifier: GPL-2.0 OR MIT
   2 /*
   3  * Copyright 2019 Ondrej Jirman <megous@megous.com>
   4  */
   5
   6 /dts-v1/;
   7 #include "sun5i-a13.dtsi"
   8 #include "sunxi-common-regulators.dtsi"
   9 #include <dt-bindings/gpio/gpio.h>
  10 #include <dt-bindings/input/input.h>
  11 #include <dt-bindings/interrupt-controller/irq.h>
  12 #include <dt-bindings/pwm/pwm.h>
  13
  14 / {
  15         model = "PocketBook Touch Lux 3";
  16         compatible = "pocketbook,touch-lux-3", "allwinner,sun5i-a13";
  17
  18         aliases {
  19                 serial0 = &uart1;
  20                 i2c0 = &i2c0;
  21                 i2c1 = &i2c1;
  22                 i2c2 = &i2c2;
  23         };
  24
  25         backlight {
  26                 compatible = "pwm-backlight";
  27                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
  28                 enable-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
  29                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
  30                 default-brightness-level = <8>;
  31                 power-supply = <&reg_vcc3v3>;
  32         };
  33
  34         chosen {
  35                 stdout-path = "serial0:115200n8";
  36         };
  37
  38         leds {
  39                 compatible = "gpio-leds";
  40
  41                 led {
  42                         gpios = <&pio 4 8 GPIO_ACTIVE_LOW>; /* PE8 */
  43                         default-state = "on";
  44                 };
  45         };
  46
  47         gpio-keys {
  48                 compatible = "gpio-keys";
  49                 autorepeat;
  50                 label = "GPIO Keys";
  51
  52                 key-right {
  53                         label = "Right";
  54                         linux,code = <KEY_RIGHT>;
  55                         gpios = <&pio 6 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG9 */
  56                 };
  57
  58                 key-left {
  59                         label = "Left";
  60                         linux,code = <KEY_LEFT>;
  61                         gpios = <&pio 6 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG10 */
  62                 };
  63         };
  64
  65         reg_1v8: regulator-1v8 {
  66                 compatible = "regulator-fixed";
  67                 regulator-name = "vdd-1v8-nor-ctp";
  68                 regulator-min-microvolt = <1800000>;
  69                 regulator-max-microvolt = <1800000>;
  70                 gpio = <&pio 2 15 GPIO_ACTIVE_HIGH>;
  71                 enable-active-high;
  72         };
  73
  74         reg_1v8_nor: regulator-nor {
  75                 compatible = "regulator-fixed";
  76                 regulator-name = "vdd-nor";
  77                 regulator-min-microvolt = <1800000>;
  78                 regulator-max-microvolt = <1800000>;
  79                 gpio = <&pio 2 14 GPIO_ACTIVE_HIGH>;
  80                 enable-active-high;
  81                 vin-supply = <&reg_1v8>;
  82                 regulator-always-on;
  83         };
  84
  85         reg_1v8_ctp: regulator-ctp {
  86                 compatible = "regulator-fixed";
  87                 regulator-name = "vdd-ctp";
  88                 regulator-min-microvolt = <1800000>;
  89                 regulator-max-microvolt = <1800000>;
  90                 gpio = <&pio 2 13 GPIO_ACTIVE_HIGH>;
  91                 enable-active-high;
  92                 vin-supply = <&reg_1v8>;
  93         };
  94
  95         reg_3v3_mmc0: regulator-mmc0 {
  96                 compatible = "regulator-fixed";
  97                 regulator-name = "vdd-mmc0";
  98                 regulator-min-microvolt = <3300000>;
  99                 regulator-max-microvolt = <3300000>;
 100                 gpio = <&pio 4 4 GPIO_ACTIVE_LOW>; /* PE4 */
 101                 vin-supply = <&reg_vcc3v3>;
 102         };
 103 };
 104
 105 &cpu0 {
 106         cpu-supply = <&reg_dcdc2>;
 107 };
 108
 109 &ehci0 {
 110         status = "okay";
 111 };
 112
 113 &i2c0 {
 114         status = "okay";
 115
 116         axp209: pmic@34 {
 117                 reg = <0x34>;
 118                 interrupts = <0>;
 119         };
 120 };
 121
 122 #include "axp209.dtsi"
 123
 124 &i2c1 {
 125         status = "okay";
 126
 127         pcf8563: rtc@51 {
 128                 compatible = "nxp,pcf8563";
 129                 reg = <0x51>;
 130         };
 131 };
 132
 133 &i2c2 {
 134         status = "okay";
 135
 136         /* Touchpanel is connected here. */
 137 };
 138
 139 &lradc {
 140         vref-supply = <&reg_ldo2>;
 141         status = "okay";
 142
 143         button-200 {
 144                 label = "Home";
 145                 linux,code = <KEY_HOME>;
 146                 channel = <0>;
 147                 voltage = <200000>;
 148         };
 149
 150         button-400 {
 151                 label = "Menu";
 152                 linux,code = <KEY_MENU>;
 153                 channel = <0>;
 154                 voltage = <400000>;
 155         };
 156 };
 157
 158 &mmc0 {
 159         vmmc-supply = <&reg_3v3_mmc0>;
 160         bus-width = <4>;
 161         cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
 162         status = "okay";
 163 };
 164
 165 &mmc2 {
 166         pinctrl-names = "default";
 167         pinctrl-0 = <&mmc2_4bit_pc_pins>;
 168         vmmc-supply = <&reg_vcc3v3>;
 169         bus-width = <4>;
 170         non-removable;
 171         status = "okay";
 172 };
 173
 174 &ohci0 {
 175         status = "okay";
 176 };
 177
 178 &otg_sram {
 179         status = "okay";
 180 };
 181
 182 &pwm {
 183         pinctrl-names = "default";
 184         pinctrl-0 = <&pwm0_pin>;
 185         status = "okay";
 186 };
 187
 188 &reg_dcdc2 {
 189         regulator-always-on;
 190         regulator-min-microvolt = <1000000>;
 191         regulator-max-microvolt = <1400000>;
 192         regulator-name = "vdd-cpu";
 193 };
 194
 195 &reg_dcdc3 {
 196         regulator-always-on;
 197         regulator-min-microvolt = <1200000>;
 198         regulator-max-microvolt = <1200000>;
 199         regulator-name = "vdd-int-pll";
 200 };
 201
 202 &reg_ldo1 {
 203         regulator-name = "vdd-rtc";
 204 };
 205
 206 &reg_ldo2 {
 207         regulator-always-on;
 208         regulator-min-microvolt = <3000000>;
 209         regulator-max-microvolt = <3000000>;
 210         regulator-name = "avcc";
 211 };
 212
 213 &reg_ldo3 {
 214         regulator-min-microvolt = <3300000>;
 215         regulator-max-microvolt = <3300000>;
 216         regulator-name = "vcc-wifi";
 217         /* We need this otherwise the LDO3 would overload */
 218         regulator-soft-start;
 219         regulator-ramp-delay = <1600>;
 220 };
 221
 222 &spi2 {
 223         pinctrl-names = "default";
 224         pinctrl-0 = <&spi2_pe_pins>, <&spi2_cs0_pe_pin>;
 225         status = "okay";
 226
 227         epd_flash: flash@0 {
 228                 #address-cells = <1>;
 229                 #size-cells = <1>;
 230                 compatible = "macronix,mx25u4033", "jedec,spi-nor";
 231                 reg = <0>;
 232                 spi-max-frequency = <4000000>;
 233         };
 234 };
 235
 236 &uart1 {
 237         pinctrl-names = "default";
 238         pinctrl-0 = <&uart1_pg_pins>;
 239         status = "okay";
 240 };
 241
 242 &usb_otg {
 243         dr_mode = "peripheral";
 244         status = "okay";
 245 };
 246
 247 &battery_power_supply {
 248         status = "okay";
 249 };
 250
 251 &usb_power_supply {
 252         status = "okay";
 253 };
 254
 255 &usbphy {
 256         usb1_vbus-supply = <&reg_ldo3>;
 257         status = "okay";
 258 };