arch/arm/boot/dts/e70k02.dtsi

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright 2021 Andreas Kemnade
   4  * based on works
   5  * Copyright 2016 Freescale Semiconductor, Inc.
   6  * and
   7  * Copyright (C) 2014 Ricoh Electronic Devices Co., Ltd
   8  *
   9  * Netronix E70K02 board common.
  10  * This board is equipped with different SoCs and
  11  * found in ebook-readers like the Kobo Clara HD (with i.MX6SLL) and
  12  * the Tolino Shine 3 (with i.MX6SL)
  13  */
  14 #include <dt-bindings/input/input.h>
  15
  16 / {
  17         aliases {
  18                 mmc0 = &usdhc1;
  19                 mmc1 = &usdhc3;
  20         };
  21
  22         chosen {
  23                 stdout-path = &uart1;
  24         };
  25
  26         gpio_keys: gpio-keys {
  27                 compatible = "gpio-keys";
  28
  29                 key-power {
  30                         label = "Power";
  31                         gpios = <&gpio4 25 GPIO_ACTIVE_LOW>;
  32                         linux,code = <KEY_POWER>;
  33                         wakeup-source;
  34                 };
  35
  36                 key-cover {
  37                         label = "Cover";
  38                         gpios = <&gpio4 23 GPIO_ACTIVE_LOW>;
  39                         linux,code = <SW_LID>;
  40                         linux,input-type = <EV_SW>;
  41                         wakeup-source;
  42                 };
  43
  44                 key-pageup {
  45                         label = "PageUp";
  46                         gpios = <&gpio4 0 GPIO_ACTIVE_LOW>;
  47                         linux,code = <KEY_PAGEUP>;
  48                 };
  49
  50                 key-pagedown {
  51                         label = "PageDown";
  52                         gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
  53                         linux,code = <KEY_PAGEDOWN>;
  54                 };
  55         };
  56
  57         leds: leds {
  58                 compatible = "gpio-leds";
  59
  60                 led {
  61                         label = "e70k02:white:on";
  62                         gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
  63                         linux,default-trigger = "timer";
  64                 };
  65         };
  66
  67         memory@80000000 {
  68                 device_type = "memory";
  69                 reg = <0x80000000 0x20000000>;
  70         };
  71
  72         reg_wifi: regulator-wifi {
  73                 compatible = "regulator-fixed";
  74                 regulator-name = "SD3_SPWR";
  75                 regulator-min-microvolt = <3000000>;
  76                 regulator-max-microvolt = <3000000>;
  77                 gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
  78                 enable-active-high;
  79         };
  80
  81         wifi_pwrseq: wifi-pwrseq {
  82                 compatible = "mmc-pwrseq-simple";
  83                 post-power-on-delay-ms = <20>;
  84                 reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
  85         };
  86 };
  87
  88 &i2c1 {
  89         clock-frequency = <100000>;
  90         status = "okay";
  91
  92         lm3630a: backlight@36 {
  93                 reg = <0x36>;
  94                 compatible = "ti,lm3630a";
  95                 enable-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
  96
  97                 #address-cells = <1>;
  98                 #size-cells = <0>;
  99
 100                 led@0 {
 101                         reg = <0>;
 102                         led-sources = <0>;
 103                         label = "backlight_warm";
 104                         default-brightness = <0>;
 105                         max-brightness = <255>;
 106                 };
 107
 108                 led@1 {
 109                         reg = <1>;
 110                         led-sources = <1>;
 111                         label = "backlight_cold";
 112                         default-brightness = <0>;
 113                         max-brightness = <255>;
 114                 };
 115         };
 116
 117         /* TODO: KX122 acceleration sensor a 0x1e */
 118
 119 };
 120
 121 &i2c2 {
 122         clock-frequency = <100000>;
 123         status = "okay";
 124
 125         /* TODO: CYTTSP5 touch controller at 0x24 */
 126
 127         /* TODO: SY7636 PMIC for E Ink at 0x62 */
 128
 129 };
 130
 131 &i2c3 {
 132         clock-frequency = <100000>;
 133         status = "okay";
 134
 135         ricoh619: pmic@32 {
 136                 compatible = "ricoh,rc5t619";
 137                 reg = <0x32>;
 138                 interrupt-parent = <&gpio4>;
 139                 interrupts = <19 IRQ_TYPE_EDGE_FALLING>;
 140                 system-power-controller;
 141
 142                 regulators {
 143                         dcdc1_reg: DCDC1 {
 144                                 regulator-name = "DCDC1";
 145                                 regulator-min-microvolt = <300000>;
 146                                 regulator-max-microvolt = <1875000>;
 147                                 regulator-always-on;
 148                                 regulator-boot-on;
 149
 150                                 regulator-state-mem {
 151                                         regulator-on-in-suspend;
 152                                         regulator-suspend-max-microvolt = <900000>;
 153                                         regulator-suspend-min-microvolt = <900000>;
 154                                 };
 155                         };
 156
 157                         /* Core3_3V3 */
 158                         dcdc2_reg: DCDC2 {
 159                                 regulator-name = "DCDC2";
 160                                 regulator-always-on;
 161                                 regulator-boot-on;
 162
 163                                 regulator-state-mem {
 164                                         regulator-on-in-suspend;
 165                                         regulator-suspend-max-microvolt = <3300000>;
 166                                         regulator-suspend-min-microvolt = <3300000>;
 167                                 };
 168                         };
 169
 170                         dcdc3_reg: DCDC3 {
 171                                 regulator-name = "DCDC3";
 172                                 regulator-min-microvolt = <300000>;
 173                                 regulator-max-microvolt = <1875000>;
 174                                 regulator-always-on;
 175                                 regulator-boot-on;
 176
 177                                 regulator-state-mem {
 178                                         regulator-on-in-suspend;
 179                                         regulator-suspend-max-microvolt = <1140000>;
 180                                         regulator-suspend-min-microvolt = <1140000>;
 181                                 };
 182                         };
 183
 184                         /* Core4_1V2 */
 185                         dcdc4_reg: DCDC4 {
 186                                 regulator-name = "DCDC4";
 187                                 regulator-min-microvolt = <1200000>;
 188                                 regulator-max-microvolt = <1200000>;
 189                                 regulator-always-on;
 190                                 regulator-boot-on;
 191
 192                                 regulator-state-mem {
 193                                         regulator-on-in-suspend;
 194                                         regulator-suspend-max-microvolt = <1140000>;
 195                                         regulator-suspend-min-microvolt = <1140000>;
 196                                 };
 197                         };
 198
 199                         /* Core4_1V8 */
 200                         dcdc5_reg: DCDC5 {
 201                                 regulator-name = "DCDC5";
 202                                 regulator-min-microvolt = <1800000>;
 203                                 regulator-max-microvolt = <1800000>;
 204                                 regulator-always-on;
 205                                 regulator-boot-on;
 206
 207                                 regulator-state-mem {
 208                                         regulator-on-in-suspend;
 209                                         regulator-suspend-max-microvolt = <1700000>;
 210                                         regulator-suspend-min-microvolt = <1700000>;
 211                                 };
 212                         };
 213
 214                         ldo1_reg: LDO1  {
 215                                 regulator-name = "LDO1";
 216                                 regulator-boot-on;
 217                         };
 218
 219                         /* Core1_3V3 */
 220                         ldo2_reg: LDO2  {
 221                                 regulator-name = "LDO2";
 222                                 regulator-always-on;
 223                                 regulator-boot-on;
 224
 225                                 regulator-state-mem {
 226                                         regulator-on-in-suspend;
 227                                         regulator-suspend-max-microvolt = <3000000>;
 228                                         regulator-suspend-min-microvolt = <3000000>;
 229                                 };
 230                         };
 231
 232                         /* Core5_1V2 */
 233                         ldo3_reg: LDO3  {
 234                                 regulator-name = "LDO3";
 235                                 regulator-always-on;
 236                                 regulator-boot-on;
 237                         };
 238
 239                         ldo4_reg: LDO4 {
 240                                 regulator-name = "LDO4";
 241                                 regulator-boot-on;
 242                         };
 243
 244                         /* SPD_3V3 */
 245                         ldo5_reg: LDO5 {
 246                                 regulator-name = "LDO5";
 247                                 regulator-always-on;
 248                                 regulator-boot-on;
 249                         };
 250
 251                         /* DDR_0V6 */
 252                         ldo6_reg: LDO6 {
 253                                 regulator-name = "LDO6";
 254                                 regulator-always-on;
 255                                 regulator-boot-on;
 256                         };
 257
 258                         /* VDD_PWM */
 259                         ldo7_reg: LDO7 {
 260                                 regulator-name = "LDO7";
 261                                 regulator-boot-on;
 262                         };
 263
 264                         /* ldo_1v8 */
 265                         ldo8_reg: LDO8 {
 266                                 regulator-name = "LDO8";
 267                                 regulator-min-microvolt = <1800000>;
 268                                 regulator-max-microvolt = <1800000>;
 269                                 regulator-boot-on;
 270                         };
 271
 272                         ldo9_reg: LDO9 {
 273                                 regulator-name = "LDO9";
 274                                 regulator-boot-on;
 275                         };
 276
 277                         ldo10_reg: LDO10 {
 278                                 regulator-name = "LDO10";
 279                                 regulator-boot-on;
 280                         };
 281
 282                         ldortc1_reg: LDORTC1  {
 283                                 regulator-name = "LDORTC1";
 284                                 regulator-boot-on;
 285                         };
 286                 };
 287         };
 288 };
 289
 290 &snvs_rtc {
 291         /* we are using the rtc in the pmic, not disabled in imx6sll.dtsi */
 292         status = "disabled";
 293 };
 294
 295 &uart1 {
 296         status = "okay";
 297 };
 298
 299 &usdhc1 {
 300         non-removable;
 301         no-1-8-v;
 302         status = "okay";
 303 };
 304
 305 &usdhc3 {
 306         vmmc-supply = <&reg_wifi>;
 307         mmc-pwrseq = <&wifi_pwrseq>;
 308         cap-power-off-card;
 309         non-removable;
 310         status = "okay";
 311 };
 312
 313 &usbotg1 {
 314         pinctrl-names = "default";
 315         pinctrl-0 = <&pinctrl_usbotg1>;
 316         disable-over-current;
 317         srp-disable;
 318         hnp-disable;
 319         adp-disable;
 320         status = "okay";
 321 };