arch/arm/boot/dts/imx6sll-kobo-librah2o.dts

   1 // SPDX-License-Identifier: (GPL-2.0)
   2 /*
   3  * Device tree for the Kobo Libra H2O ebook reader
   4  *
   5  * Name on mainboard is: 37NB-E70K0M+6A3
   6  * Serials start with: E70K02 (a number also seen in
   7  * vendor kernel sources)
   8  *
   9  * This mainboard seems to be equipped with different SoCs.
  10  * In the Kobo Libra H2O ebook reader it is an i.MX6SLL
  11  *
  12  * Copyright 2021 Andreas Kemnade
  13  * based on works
  14  * Copyright 2016 Freescale Semiconductor, Inc.
  15  */
  16
  17 /dts-v1/;
  18
  19 #include <dt-bindings/input/input.h>
  20 #include <dt-bindings/gpio/gpio.h>
  21 #include "imx6sll.dtsi"
  22 #include "e70k02.dtsi"
  23
  24 / {
  25         model = "Kobo Libra H2O";
  26         compatible = "kobo,librah2o", "fsl,imx6sll";
  27 };
  28
  29 &clks {
  30         assigned-clocks = <&clks IMX6SLL_CLK_PLL4_AUDIO_DIV>;
  31         assigned-clock-rates = <393216000>;
  32 };
  33
  34 &cpu0 {
  35         arm-supply = <&dcdc3_reg>;
  36         soc-supply = <&dcdc1_reg>;
  37 };
  38
  39 &gpio_keys {
  40         pinctrl-names = "default";
  41         pinctrl-0 = <&pinctrl_gpio_keys>;
  42 };
  43
  44 &i2c1 {
  45         pinctrl-names = "default","sleep";
  46         pinctrl-0 = <&pinctrl_i2c1>;
  47         pinctrl-1 = <&pinctrl_i2c1_sleep>;
  48 };
  49
  50 &i2c2 {
  51         pinctrl-names = "default","sleep";
  52         pinctrl-0 = <&pinctrl_i2c2>;
  53         pinctrl-1 = <&pinctrl_i2c2_sleep>;
  54 };
  55
  56 &i2c3 {
  57         pinctrl-names = "default";
  58         pinctrl-0 = <&pinctrl_i2c3>;
  59 };
  60
  61 &iomuxc {
  62         pinctrl-names = "default";
  63         pinctrl-0 = <&pinctrl_hog>;
  64
  65         pinctrl_gpio_keys: gpio-keysgrp {
  66                 fsl,pins = <
  67                         MX6SLL_PAD_GPIO4_IO25__GPIO4_IO25       0x17059 /* PWR_SW */
  68                         MX6SLL_PAD_GPIO4_IO23__GPIO4_IO23       0x17059 /* HALL_EN */
  69                         MX6SLL_PAD_KEY_COL4__GPIO4_IO00         0x17059 /* PAGE_UP */
  70                         MX6SLL_PAD_KEY_COL5__GPIO4_IO02         0x17059 /* PAGE_DOWN */
  71                 >;
  72         };
  73
  74         pinctrl_hog: hoggrp {
  75                 fsl,pins = <
  76                         MX6SLL_PAD_LCD_DATA01__GPIO2_IO21       0x79
  77                         MX6SLL_PAD_LCD_DATA04__GPIO2_IO24       0x79
  78                         MX6SLL_PAD_LCD_DATA05__GPIO2_IO25       0x79
  79                         MX6SLL_PAD_LCD_DATA06__GPIO2_IO26       0x79
  80                         MX6SLL_PAD_LCD_DATA07__GPIO2_IO27       0x79
  81                         MX6SLL_PAD_LCD_DATA08__GPIO2_IO28       0x79
  82                         MX6SLL_PAD_LCD_DATA09__GPIO2_IO29       0x79
  83                         MX6SLL_PAD_LCD_DATA10__GPIO2_IO30       0x79
  84                         MX6SLL_PAD_LCD_DATA11__GPIO2_IO31       0x79
  85                         MX6SLL_PAD_LCD_DATA12__GPIO3_IO00       0x79
  86                         MX6SLL_PAD_LCD_DATA13__GPIO3_IO01       0x79
  87                         MX6SLL_PAD_LCD_DATA14__GPIO3_IO02       0x79
  88                         MX6SLL_PAD_LCD_DATA15__GPIO3_IO03       0x79
  89                         MX6SLL_PAD_LCD_DATA16__GPIO3_IO04       0x79
  90                         MX6SLL_PAD_LCD_DATA17__GPIO3_IO05       0x79
  91                         MX6SLL_PAD_LCD_DATA18__GPIO3_IO06       0x79
  92                         MX6SLL_PAD_LCD_DATA19__GPIO3_IO07       0x79
  93                         MX6SLL_PAD_LCD_DATA20__GPIO3_IO08       0x79
  94                         MX6SLL_PAD_LCD_DATA21__GPIO3_IO09       0x79
  95                         MX6SLL_PAD_LCD_DATA22__GPIO3_IO10       0x79
  96                         MX6SLL_PAD_LCD_DATA23__GPIO3_IO11       0x79
  97                         MX6SLL_PAD_LCD_CLK__GPIO2_IO15          0x79
  98                         MX6SLL_PAD_LCD_ENABLE__GPIO2_IO16       0x79
  99                         MX6SLL_PAD_LCD_HSYNC__GPIO2_IO17        0x79
 100                         MX6SLL_PAD_LCD_VSYNC__GPIO2_IO18        0x79
 101                         MX6SLL_PAD_LCD_RESET__GPIO2_IO19        0x79
 102                         MX6SLL_PAD_GPIO4_IO21__GPIO4_IO21       0x79
 103                         MX6SLL_PAD_GPIO4_IO26__GPIO4_IO26       0x79
 104                         MX6SLL_PAD_KEY_COL3__GPIO3_IO30         0x79
 105                         MX6SLL_PAD_KEY_ROW7__GPIO4_IO07         0x79
 106                         MX6SLL_PAD_ECSPI2_MOSI__GPIO4_IO13      0x79
 107                 >;
 108         };
 109
 110         pinctrl_i2c1: i2c1grp {
 111                 fsl,pins = <
 112                         MX6SLL_PAD_I2C1_SCL__I2C1_SCL   0x4001f8b1
 113                         MX6SLL_PAD_I2C1_SDA__I2C1_SDA   0x4001f8b1
 114                 >;
 115         };
 116
 117         pinctrl_i2c1_sleep: i2c1grp-sleep {
 118                 fsl,pins = <
 119                         MX6SLL_PAD_I2C1_SCL__I2C1_SCL   0x400108b1
 120                         MX6SLL_PAD_I2C1_SDA__I2C1_SDA   0x400108b1
 121                 >;
 122         };
 123
 124         pinctrl_i2c2: i2c2grp {
 125                 fsl,pins = <
 126                         MX6SLL_PAD_I2C2_SCL__I2C2_SCL   0x4001f8b1
 127                         MX6SLL_PAD_I2C2_SDA__I2C2_SDA   0x4001f8b1
 128                 >;
 129         };
 130
 131         pinctrl_i2c2_sleep: i2c2grp-sleep {
 132                 fsl,pins = <
 133                         MX6SLL_PAD_I2C2_SCL__I2C2_SCL   0x400108b1
 134                         MX6SLL_PAD_I2C2_SDA__I2C2_SDA   0x400108b1
 135                 >;
 136         };
 137
 138         pinctrl_i2c3: i2c3grp {
 139                 fsl,pins = <
 140                         MX6SLL_PAD_REF_CLK_24M__I2C3_SCL 0x4001f8b1
 141                         MX6SLL_PAD_REF_CLK_32K__I2C3_SDA 0x4001f8b1
 142                 >;
 143         };
 144
 145         pinctrl_led: ledgrp {
 146                 fsl,pins = <
 147                         MX6SLL_PAD_GPIO4_IO17__GPIO4_IO17       0x10059
 148                 >;
 149         };
 150
 151         pinctrl_lm3630a_bl_gpio: lm3630a-bl-gpiogrp {
 152                 fsl,pins = <
 153                         MX6SLL_PAD_EPDC_PWR_CTRL3__GPIO2_IO10   0x10059 /* HWEN */
 154                 >;
 155         };
 156
 157         pinctrl_ricoh_gpio: ricoh-gpiogrp {
 158                 fsl,pins = <
 159                         MX6SLL_PAD_GPIO4_IO20__GPIO4_IO20       0x1b8b1 /* ricoh619 chg */
 160                         MX6SLL_PAD_GPIO4_IO19__GPIO4_IO19       0x1b8b1 /* ricoh619 irq */
 161                         MX6SLL_PAD_KEY_COL2__GPIO3_IO28         0x1b8b1 /* ricoh619 bat_low_int */
 162                 >;
 163         };
 164
 165         pinctrl_uart1: uart1grp {
 166                 fsl,pins = <
 167                         MX6SLL_PAD_UART1_TXD__UART1_DCE_TX 0x1b0b1
 168                         MX6SLL_PAD_UART1_RXD__UART1_DCE_RX 0x1b0b1
 169                 >;
 170         };
 171
 172         pinctrl_usbotg1: usbotg1grp {
 173                 fsl,pins = <
 174                         MX6SLL_PAD_EPDC_PWR_COM__USB_OTG1_ID 0x17059
 175                 >;
 176         };
 177
 178         pinctrl_usdhc1: usdhc1grp {
 179                 fsl,pins = <
 180                         MX6SLL_PAD_SD1_CMD__SD1_CMD     0x17059
 181                         MX6SLL_PAD_SD1_CLK__SD1_CLK     0x17059
 182                         MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x17059
 183                         MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x17059
 184                         MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x17059
 185                         MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x17059
 186                         MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x17059
 187                         MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x17059
 188                         MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x17059
 189                         MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x17059
 190                 >;
 191         };
 192
 193         pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
 194                 fsl,pins = <
 195                         MX6SLL_PAD_SD1_CMD__SD1_CMD     0x170b9
 196                         MX6SLL_PAD_SD1_CLK__SD1_CLK     0x170b9
 197                         MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x170b9
 198                         MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x170b9
 199                         MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x170b9
 200                         MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x170b9
 201                         MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x170b9
 202                         MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x170b9
 203                         MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x170b9
 204                         MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x170b9
 205                 >;
 206         };
 207
 208         pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
 209                 fsl,pins = <
 210                         MX6SLL_PAD_SD1_CMD__SD1_CMD     0x170f9
 211                         MX6SLL_PAD_SD1_CLK__SD1_CLK     0x170f9
 212                         MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x170f9
 213                         MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x170f9
 214                         MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x170f9
 215                         MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x170f9
 216                         MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x170b9
 217                         MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x170b9
 218                         MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x170b9
 219                         MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x170b9
 220                 >;
 221         };
 222
 223         pinctrl_usdhc1_sleep: usdhc1-sleepgrp {
 224                 fsl,pins = <
 225                         MX6SLL_PAD_SD1_CMD__SD1_CMD     0x10059
 226                         MX6SLL_PAD_SD1_CLK__SD1_CLK     0x10059
 227                         MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x10059
 228                         MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x10059
 229                         MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x10059
 230                         MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x10059
 231                         MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x10059
 232                         MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x10059
 233                         MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x10059
 234                         MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x10059
 235                 >;
 236         };
 237
 238         pinctrl_usdhc3: usdhc3grp {
 239                 fsl,pins = <
 240                         MX6SLL_PAD_SD3_CMD__SD3_CMD     0x11059
 241                         MX6SLL_PAD_SD3_CLK__SD3_CLK     0x11059
 242                         MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x11059
 243                         MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x11059
 244                         MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x11059
 245                         MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x11059
 246                 >;
 247         };
 248
 249         pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
 250                 fsl,pins = <
 251                         MX6SLL_PAD_SD3_CMD__SD3_CMD     0x170b9
 252                         MX6SLL_PAD_SD3_CLK__SD3_CLK     0x170b9
 253                         MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170b9
 254                         MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170b9
 255                         MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170b9
 256                         MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170b9
 257                 >;
 258         };
 259
 260         pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
 261                 fsl,pins = <
 262                         MX6SLL_PAD_SD3_CMD__SD3_CMD     0x170f9
 263                         MX6SLL_PAD_SD3_CLK__SD3_CLK     0x170f9
 264                         MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170f9
 265                         MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170f9
 266                         MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170f9
 267                         MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170f9
 268                 >;
 269         };
 270
 271         pinctrl_usdhc3_sleep: usdhc3-sleepgrp {
 272                 fsl,pins = <
 273                         MX6SLL_PAD_SD3_CMD__GPIO5_IO21  0x100c1
 274                         MX6SLL_PAD_SD3_CLK__GPIO5_IO18  0x100c1
 275                         MX6SLL_PAD_SD3_DATA0__GPIO5_IO19        0x100c1
 276                         MX6SLL_PAD_SD3_DATA1__GPIO5_IO20        0x100c1
 277                         MX6SLL_PAD_SD3_DATA2__GPIO5_IO16        0x100c1
 278                         MX6SLL_PAD_SD3_DATA3__GPIO5_IO17        0x100c1
 279                 >;
 280         };
 281
 282         pinctrl_wifi_power: wifi-powergrp {
 283                 fsl,pins = <
 284                         MX6SLL_PAD_SD2_DATA6__GPIO4_IO29        0x10059  /* WIFI_3V3_ON */
 285                 >;
 286         };
 287
 288         pinctrl_wifi_reset: wifi-resetgrp {
 289                 fsl,pins = <
 290                         MX6SLL_PAD_SD2_DATA7__GPIO5_IO00        0x10059  /* WIFI_RST */
 291                 >;
 292         };
 293 };
 294
 295 &leds {
 296         pinctrl-names = "default";
 297         pinctrl-0 = <&pinctrl_led>;
 298 };
 299
 300 &lm3630a {
 301         pinctrl-names = "default";
 302         pinctrl-0 = <&pinctrl_lm3630a_bl_gpio>;
 303 };
 304
 305 &reg_wifi {
 306         pinctrl-names = "default";
 307         pinctrl-0 = <&pinctrl_wifi_power>;
 308 };
 309
 310 &ricoh619 {
 311         pinctrl-names = "default";
 312         pinctrl-0 = <&pinctrl_ricoh_gpio>;
 313 };
 314
 315 &uart1 {
 316         pinctrl-names = "default";
 317         pinctrl-0 = <&pinctrl_uart1>;
 318 };
 319
 320 &usdhc1 {
 321         pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
 322         pinctrl-0 = <&pinctrl_usdhc1>;
 323         pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
 324         pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
 325         pinctrl-3 = <&pinctrl_usdhc1_sleep>;
 326 };
 327
 328 &usdhc3 {
 329         pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
 330         pinctrl-0 = <&pinctrl_usdhc3>;
 331         pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
 332         pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
 333         pinctrl-3 = <&pinctrl_usdhc3_sleep>;
 334 };
 335
 336 &wifi_pwrseq {
 337         pinctrl-names = "default";
 338         pinctrl-0 = <&pinctrl_wifi_reset>;
 339 };