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

0001 // SPDX-License-Identifier: GPL-2.0 OR MIT
0002 /*
0003  * Copyright 2019 Ondrej Jirman <megous@megous.com>
0004  */
0005
0006 /dts-v1/;
0007 #include "sun5i-a13.dtsi"
0008 #include "sunxi-common-regulators.dtsi"
0009 #include <dt-bindings/gpio/gpio.h>
0010 #include <dt-bindings/input/input.h>
0011 #include <dt-bindings/interrupt-controller/irq.h>
0012 #include <dt-bindings/pwm/pwm.h>
0013
0014 / {
0015         model = "PocketBook Touch Lux 3";
0016         compatible = "pocketbook,touch-lux-3", "allwinner,sun5i-a13";
0017
0018         aliases {
0019                 serial0 = &uart1;
0020                 i2c0 = &i2c0;
0021                 i2c1 = &i2c1;
0022                 i2c2 = &i2c2;
0023         };
0024
0025         backlight {
0026                 compatible = "pwm-backlight";
0027                 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
0028                 enable-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
0029                 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
0030                 default-brightness-level = <8>;
0031                 power-supply = <&reg_vcc3v3>;
0032         };
0033
0034         chosen {
0035                 stdout-path = "serial0:115200n8";
0036         };
0037
0038         leds {
0039                 compatible = "gpio-leds";
0040
0041                 led {
0042                         gpios = <&pio 4 8 GPIO_ACTIVE_LOW>; /* PE8 */
0043                         default-state = "on";
0044                 };
0045         };
0046
0047         gpio-keys {
0048                 compatible = "gpio-keys";
0049                 autorepeat;
0050                 label = "GPIO Keys";
0051
0052                 key-right {
0053                         label = "Right";
0054                         linux,code = <KEY_RIGHT>;
0055                         gpios = <&pio 6 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG9 */
0056                 };
0057
0058                 key-left {
0059                         label = "Left";
0060                         linux,code = <KEY_LEFT>;
0061                         gpios = <&pio 6 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG10 */
0062                 };
0063         };
0064
0065         reg_1v8: regulator-1v8 {
0066                 compatible = "regulator-fixed";
0067                 regulator-name = "vdd-1v8-nor-ctp";
0068                 regulator-min-microvolt = <1800000>;
0069                 regulator-max-microvolt = <1800000>;
0070                 gpio = <&pio 2 15 GPIO_ACTIVE_HIGH>;
0071                 enable-active-high;
0072         };
0073
0074         reg_1v8_nor: regulator-nor {
0075                 compatible = "regulator-fixed";
0076                 regulator-name = "vdd-nor";
0077                 regulator-min-microvolt = <1800000>;
0078                 regulator-max-microvolt = <1800000>;
0079                 gpio = <&pio 2 14 GPIO_ACTIVE_HIGH>;
0080                 enable-active-high;
0081                 vin-supply = <&reg_1v8>;
0082                 regulator-always-on;
0083         };
0084
0085         reg_1v8_ctp: regulator-ctp {
0086                 compatible = "regulator-fixed";
0087                 regulator-name = "vdd-ctp";
0088                 regulator-min-microvolt = <1800000>;
0089                 regulator-max-microvolt = <1800000>;
0090                 gpio = <&pio 2 13 GPIO_ACTIVE_HIGH>;
0091                 enable-active-high;
0092                 vin-supply = <&reg_1v8>;
0093         };
0094
0095         reg_3v3_mmc0: regulator-mmc0 {
0096                 compatible = "regulator-fixed";
0097                 regulator-name = "vdd-mmc0";
0098                 regulator-min-microvolt = <3300000>;
0099                 regulator-max-microvolt = <3300000>;
0100                 gpio = <&pio 4 4 GPIO_ACTIVE_LOW>; /* PE4 */
0101                 vin-supply = <&reg_vcc3v3>;
0102         };
0103 };
0104
0105 &cpu0 {
0106         cpu-supply = <&reg_dcdc2>;
0107 };
0108
0109 &ehci0 {
0110         status = "okay";
0111 };
0112
0113 &i2c0 {
0114         status = "okay";
0115
0116         axp209: pmic@34 {
0117                 reg = <0x34>;
0118                 interrupts = <0>;
0119         };
0120 };
0121
0122 #include "axp209.dtsi"
0123
0124 &i2c1 {
0125         status = "okay";
0126
0127         pcf8563: rtc@51 {
0128                 compatible = "nxp,pcf8563";
0129                 reg = <0x51>;
0130         };
0131 };
0132
0133 &i2c2 {
0134         status = "okay";
0135
0136         /* Touchpanel is connected here. */
0137 };
0138
0139 &lradc {
0140         vref-supply = <&reg_ldo2>;
0141         status = "okay";
0142
0143         button-200 {
0144                 label = "Home";
0145                 linux,code = <KEY_HOME>;
0146                 channel = <0>;
0147                 voltage = <200000>;
0148         };
0149
0150         button-400 {
0151                 label = "Menu";
0152                 linux,code = <KEY_MENU>;
0153                 channel = <0>;
0154                 voltage = <400000>;
0155         };
0156 };
0157
0158 &mmc0 {
0159         vmmc-supply = <&reg_3v3_mmc0>;
0160         bus-width = <4>;
0161         cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
0162         status = "okay";
0163 };
0164
0165 &mmc2 {
0166         pinctrl-names = "default";
0167         pinctrl-0 = <&mmc2_4bit_pc_pins>;
0168         vmmc-supply = <&reg_vcc3v3>;
0169         bus-width = <4>;
0170         non-removable;
0171         status = "okay";
0172 };
0173
0174 &ohci0 {
0175         status = "okay";
0176 };
0177
0178 &otg_sram {
0179         status = "okay";
0180 };
0181
0182 &pwm {
0183         pinctrl-names = "default";
0184         pinctrl-0 = <&pwm0_pin>;
0185         status = "okay";
0186 };
0187
0188 &reg_dcdc2 {
0189         regulator-always-on;
0190         regulator-min-microvolt = <1000000>;
0191         regulator-max-microvolt = <1400000>;
0192         regulator-name = "vdd-cpu";
0193 };
0194
0195 &reg_dcdc3 {
0196         regulator-always-on;
0197         regulator-min-microvolt = <1200000>;
0198         regulator-max-microvolt = <1200000>;
0199         regulator-name = "vdd-int-pll";
0200 };
0201
0202 &reg_ldo1 {
0203         regulator-name = "vdd-rtc";
0204 };
0205
0206 &reg_ldo2 {
0207         regulator-always-on;
0208         regulator-min-microvolt = <3000000>;
0209         regulator-max-microvolt = <3000000>;
0210         regulator-name = "avcc";
0211 };
0212
0213 &reg_ldo3 {
0214         regulator-min-microvolt = <3300000>;
0215         regulator-max-microvolt = <3300000>;
0216         regulator-name = "vcc-wifi";
0217         /* We need this otherwise the LDO3 would overload */
0218         regulator-soft-start;
0219         regulator-ramp-delay = <1600>;
0220 };
0221
0222 &spi2 {
0223         pinctrl-names = "default";
0224         pinctrl-0 = <&spi2_pe_pins>, <&spi2_cs0_pe_pin>;
0225         status = "okay";
0226
0227         epd_flash: flash@0 {
0228                 #address-cells = <1>;
0229                 #size-cells = <1>;
0230                 compatible = "macronix,mx25u4033", "jedec,spi-nor";
0231                 reg = <0>;
0232                 spi-max-frequency = <4000000>;
0233         };
0234 };
0235
0236 &uart1 {
0237         pinctrl-names = "default";
0238         pinctrl-0 = <&uart1_pg_pins>;
0239         status = "okay";
0240 };
0241
0242 &usb_otg {
0243         dr_mode = "peripheral";
0244         status = "okay";
0245 };
0246
0247 &battery_power_supply {
0248         status = "okay";
0249 };
0250
0251 &usb_power_supply {
0252         status = "okay";
0253 };
0254
0255 &usbphy {
0256         usb1_vbus-supply = <&reg_ldo3>;
0257         status = "okay";
0258 };