0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Copyright 2019 Andreas Kemnade
0004 * based on works
0005 * Copyright 2016 Freescale Semiconductor, Inc.
0006 * and
0007 * Copyright (C) 2014 Ricoh Electronic Devices Co., Ltd
0008 *
0009 * Netronix E60K02 board common.
0010 * This board is equipped with different SoCs and
0011 * found in ebook-readers like the Kobo Clara HD (with i.MX6SLL) and
0012 * the Tolino Shine 3 (with i.MX6SL)
0013 */
0014 #include <dt-bindings/input/input.h>
0015
0016 / {
0017
0018 chosen {
0019 stdout-path = &uart1;
0020 };
0021
0022 gpio_keys: gpio-keys {
0023 compatible = "gpio-keys";
0024
0025 key-power {
0026 label = "Power";
0027 gpios = <&gpio5 8 GPIO_ACTIVE_LOW>;
0028 linux,code = <KEY_POWER>;
0029 wakeup-source;
0030 };
0031
0032 key-cover {
0033 label = "Cover";
0034 gpios = <&gpio5 12 GPIO_ACTIVE_LOW>;
0035 linux,code = <SW_LID>;
0036 linux,input-type = <EV_SW>;
0037 wakeup-source;
0038 };
0039 };
0040
0041 leds: leds {
0042 compatible = "gpio-leds";
0043
0044 led {
0045 label = "e60k02:white:on";
0046 gpios = <&gpio5 7 GPIO_ACTIVE_LOW>;
0047 linux,default-trigger = "timer";
0048 };
0049 };
0050
0051 memory@80000000 {
0052 device_type = "memory";
0053 reg = <0x80000000 0x20000000>;
0054 };
0055
0056 reg_wifi: regulator-wifi {
0057 compatible = "regulator-fixed";
0058 regulator-name = "SD3_SPWR";
0059 regulator-min-microvolt = <3000000>;
0060 regulator-max-microvolt = <3000000>;
0061 gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
0062 enable-active-high;
0063 };
0064
0065 wifi_pwrseq: wifi_pwrseq {
0066 compatible = "mmc-pwrseq-simple";
0067 post-power-on-delay-ms = <20>;
0068 reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
0069 };
0070 };
0071
0072
0073 &i2c1 {
0074 clock-frequency = <100000>;
0075 status = "okay";
0076
0077 lm3630a: backlight@36 {
0078 reg = <0x36>;
0079 compatible = "ti,lm3630a";
0080 enable-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
0081
0082 #address-cells = <1>;
0083 #size-cells = <0>;
0084
0085 led@0 {
0086 reg = <0>;
0087 led-sources = <0>;
0088 label = "backlight_warm";
0089 default-brightness = <0>;
0090 max-brightness = <255>;
0091 };
0092
0093 led@1 {
0094 reg = <1>;
0095 led-sources = <1>;
0096 label = "backlight_cold";
0097 default-brightness = <0>;
0098 max-brightness = <255>;
0099 };
0100 };
0101 };
0102
0103 &i2c2 {
0104 clock-frequency = <100000>;
0105 status = "okay";
0106
0107 /* TODO: CYTTSP5 touch controller at 0x24 */
0108
0109 /* TODO: TPS65185 PMIC for E Ink at 0x68 */
0110
0111 };
0112
0113 &i2c3 {
0114 clock-frequency = <100000>;
0115 status = "okay";
0116
0117 ricoh619: pmic@32 {
0118 compatible = "ricoh,rc5t619";
0119 reg = <0x32>;
0120 interrupt-parent = <&gpio5>;
0121 interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
0122 system-power-controller;
0123
0124 regulators {
0125 dcdc1_reg: DCDC1 {
0126 regulator-name = "DCDC1";
0127 regulator-min-microvolt = <300000>;
0128 regulator-max-microvolt = <1875000>;
0129 regulator-always-on;
0130 regulator-boot-on;
0131
0132 regulator-state-mem {
0133 regulator-on-in-suspend;
0134 regulator-suspend-max-microvolt = <900000>;
0135 regulator-suspend-min-microvolt = <900000>;
0136 };
0137 };
0138
0139 /* Core3_3V3 */
0140 dcdc2_reg: DCDC2 {
0141 regulator-name = "DCDC2";
0142 regulator-always-on;
0143 regulator-boot-on;
0144
0145 regulator-state-mem {
0146 regulator-on-in-suspend;
0147 regulator-suspend-max-microvolt = <3300000>;
0148 regulator-suspend-min-microvolt = <3300000>;
0149 };
0150 };
0151
0152 dcdc3_reg: DCDC3 {
0153 regulator-name = "DCDC3";
0154 regulator-min-microvolt = <300000>;
0155 regulator-max-microvolt = <1875000>;
0156 regulator-always-on;
0157 regulator-boot-on;
0158
0159 regulator-state-mem {
0160 regulator-on-in-suspend;
0161 regulator-suspend-max-microvolt = <1140000>;
0162 regulator-suspend-min-microvolt = <1140000>;
0163 };
0164 };
0165
0166 /* Core4_1V2 */
0167 dcdc4_reg: DCDC4 {
0168 regulator-name = "DCDC4";
0169 regulator-min-microvolt = <1200000>;
0170 regulator-max-microvolt = <1200000>;
0171 regulator-always-on;
0172 regulator-boot-on;
0173
0174 regulator-state-mem {
0175 regulator-on-in-suspend;
0176 regulator-suspend-max-microvolt = <1140000>;
0177 regulator-suspend-min-microvolt = <1140000>;
0178 };
0179 };
0180
0181 /* Core4_1V8 */
0182 dcdc5_reg: DCDC5 {
0183 regulator-name = "DCDC5";
0184 regulator-min-microvolt = <1800000>;
0185 regulator-max-microvolt = <1800000>;
0186 regulator-always-on;
0187 regulator-boot-on;
0188
0189 regulator-state-mem {
0190 regulator-on-in-suspend;
0191 regulator-suspend-max-microvolt = <1700000>;
0192 regulator-suspend-min-microvolt = <1700000>;
0193 };
0194 };
0195
0196 /* IR_3V3 */
0197 ldo1_reg: LDO1 {
0198 regulator-name = "LDO1";
0199 regulator-boot-on;
0200 };
0201
0202 /* Core1_3V3 */
0203 ldo2_reg: LDO2 {
0204 regulator-name = "LDO2";
0205 regulator-always-on;
0206 regulator-boot-on;
0207
0208 regulator-state-mem {
0209 regulator-on-in-suspend;
0210 regulator-suspend-max-microvolt = <3000000>;
0211 regulator-suspend-min-microvolt = <3000000>;
0212 };
0213 };
0214
0215 /* Core5_1V2 */
0216 ldo3_reg: LDO3 {
0217 regulator-name = "LDO3";
0218 regulator-always-on;
0219 regulator-boot-on;
0220 };
0221
0222 ldo4_reg: LDO4 {
0223 regulator-name = "LDO4";
0224 regulator-boot-on;
0225 };
0226
0227 /* SPD_3V3 */
0228 ldo5_reg: LDO5 {
0229 regulator-name = "LDO5";
0230 regulator-always-on;
0231 regulator-boot-on;
0232 };
0233
0234 /* DDR_0V6 */
0235 ldo6_reg: LDO6 {
0236 regulator-name = "LDO6";
0237 regulator-always-on;
0238 regulator-boot-on;
0239 };
0240
0241 /* VDD_PWM */
0242 ldo7_reg: LDO7 {
0243 regulator-name = "LDO7";
0244 regulator-always-on;
0245 regulator-boot-on;
0246 };
0247
0248 /* ldo_1v8 */
0249 ldo8_reg: LDO8 {
0250 regulator-name = "LDO8";
0251 regulator-min-microvolt = <1800000>;
0252 regulator-max-microvolt = <1800000>;
0253 regulator-always-on;
0254 regulator-boot-on;
0255 };
0256
0257 ldo9_reg: LDO9 {
0258 regulator-name = "LDO9";
0259 regulator-boot-on;
0260 };
0261
0262 ldo10_reg: LDO10 {
0263 regulator-name = "LDO10";
0264 regulator-boot-on;
0265 };
0266
0267 ldortc1_reg: LDORTC1 {
0268 regulator-name = "LDORTC1";
0269 regulator-boot-on;
0270 };
0271 };
0272 };
0273 };
0274
0275 &snvs_rtc {
0276 /* we are using the rtc in the pmic, not disabled in imx6sll.dtsi */
0277 status = "disabled";
0278 };
0279
0280 &uart1 {
0281 /* J4, through-hole */
0282 status = "okay";
0283 };
0284
0285 &uart4 {
0286 /* TP198, next to J4, SMD pads */
0287 status = "okay";
0288 };
0289
0290 &usdhc2 {
0291 non-removable;
0292 status = "okay";
0293 };
0294
0295 &usdhc3 {
0296 vmmc-supply = <®_wifi>;
0297 mmc-pwrseq = <&wifi_pwrseq>;
0298 cap-power-off-card;
0299 non-removable;
0300 status = "okay";
0301 };
0302
0303 &usbotg1 {
0304 pinctrl-names = "default";
0305 disable-over-current;
0306 srp-disable;
0307 hnp-disable;
0308 adp-disable;
0309 status = "okay";
0310 };
