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