arch/arm/boot/dts/imx50-kobo-aura.dts

   1 // SPDX-License-Identifier: GPL-2.0+
   2 // Copyright 2019 Jonathan Neuschäfer
   3 //
   4 // The Kobo Aura e-book reader, model N514. The mainboard is marked as E606F0B.
   5
   6 /dts-v1/;
   7 #include "imx50.dtsi"
   8 #include <dt-bindings/input/input.h>
   9 #include <dt-bindings/interrupt-controller/irq.h>
  10
  11 / {
  12         model = "Kobo Aura (N514)";
  13         compatible = "kobo,aura", "fsl,imx50";
  14
  15         chosen {
  16                 stdout-path = "serial1:115200n8";
  17         };
  18
  19         memory@70000000 {
  20                 device_type = "memory";
  21                 reg = <0x70000000 0x10000000>;
  22         };
  23
  24         gpio-leds {
  25                 compatible = "gpio-leds";
  26                 pinctrl-names = "default";
  27                 pinctrl-0 = <&pinctrl_leds>;
  28
  29                 on {
  30                         label = "kobo_aura:orange:on";
  31                         gpios = <&gpio6 24 GPIO_ACTIVE_LOW>;
  32                         panic-indicator;
  33                 };
  34         };
  35
  36         gpio-keys {
  37                 compatible = "gpio-keys";
  38                 pinctrl-names = "default";
  39                 pinctrl-0 = <&pinctrl_gpiokeys>;
  40
  41                 power {
  42                         label = "Power Button";
  43                         gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
  44                         linux,code = <KEY_POWER>;
  45                 };
  46
  47                 hallsensor {
  48                         label = "Hallsensor";
  49                         gpios = <&gpio5 15 GPIO_ACTIVE_LOW>;
  50                         linux,code = <KEY_RESERVED>;
  51                         linux,input-type = <EV_SW>;
  52                 };
  53
  54                 frontlight {
  55                         label = "Frontlight";
  56                         gpios = <&gpio4 1 GPIO_ACTIVE_LOW>;
  57                         linux,code = <KEY_DISPLAYTOGGLE>;
  58                 };
  59         };
  60
  61         sd2_pwrseq: pwrseq {
  62                 compatible = "mmc-pwrseq-simple";
  63                 pinctrl-names = "default";
  64                 pinctrl-0 = <&pinctrl_sd2_reset>;
  65                 reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
  66         };
  67
  68         sd2_vmmc: gpio-regulator {
  69                 compatible = "regulator-gpio";
  70                 pinctrl-names = "default";
  71                 pinctrl-0 = <&pinctrl_sd2_vmmc>;
  72                 regulator-name = "vmmc";
  73                 states = <3300000 0>;
  74                 regulator-min-microvolt = <3300000>;
  75                 regulator-max-microvolt = <3300000>;
  76                 enable-gpio = <&gpio4 12 GPIO_ACTIVE_LOW>;
  77                 startup-delay-us = <100000>;
  78         };
  79 };
  80
  81 &esdhc1 {
  82         pinctrl-names = "default";
  83         pinctrl-0 = <&pinctrl_sd1>;
  84         max-frequency = <50000000>;
  85         bus-width = <4>;
  86         cd-gpios = <&gpio5 17 GPIO_ACTIVE_LOW>;
  87         disable-wp;
  88         status = "okay";
  89
  90         /* External µSD card */
  91 };
  92
  93 &esdhc2 {
  94         pinctrl-names = "default";
  95         pinctrl-0 = <&pinctrl_sd2>;
  96         bus-width = <4>;
  97         max-frequency = <50000000>;
  98         disable-wp;
  99         mmc-pwrseq = <&sd2_pwrseq>;
 100         vmmc-supply = <&sd2_vmmc>;
 101         status = "okay";
 102
 103         /* CyberTan WC121 SDIO WiFi (BCM43362) */
 104 };
 105
 106 &esdhc3 {
 107         pinctrl-names = "default";
 108         pinctrl-0 = <&pinctrl_sd3>;
 109         bus-width = <8>;
 110         non-removable;
 111         max-frequency = <50000000>;
 112         disable-wp;
 113         status = "okay";
 114
 115         /* Internal eMMC */
 116 };
 117
 118 &i2c1 {
 119         pinctrl-names = "default";
 120         pinctrl-0 = <&pinctrl_i2c1>;
 121         status = "okay";
 122
 123         touchscreen@15 {
 124                 reg = <0x15>;
 125                 compatible = "elan,ektf2132";
 126                 pinctrl-names = "default";
 127                 pinctrl-0 = <&pinctrl_ts>;
 128                 power-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
 129                 interrupts-extended = <&gpio5 13 IRQ_TYPE_EDGE_FALLING>;
 130         };
 131 };
 132
 133 &i2c2 {
 134         pinctrl-names = "default";
 135         pinctrl-0 = <&pinctrl_i2c2>;
 136         status = "okay";
 137
 138         /* TODO: TPS65185 PMIC for E Ink at 0x68 */
 139 };
 140
 141 &i2c3 {
 142         pinctrl-names = "default";
 143         pinctrl-0 = <&pinctrl_i2c3>;
 144         status = "okay";
 145
 146         /* TODO: embedded controller at 0x43 */
 147 };
 148
 149 &iomuxc {
 150         pinctrl_gpiokeys: gpiokeysgrp {
 151                 fsl,pins = <
 152                         MX50_PAD_CSPI_MISO__GPIO4_10            0x0
 153                         MX50_PAD_SD2_D7__GPIO5_15               0x0
 154                         MX50_PAD_KEY_ROW0__GPIO4_1              0x0
 155                 >;
 156         };
 157
 158         pinctrl_i2c1: i2c1grp {
 159                 fsl,pins = <
 160                         MX50_PAD_I2C1_SCL__I2C1_SCL             0x400001fd
 161                         MX50_PAD_I2C1_SDA__I2C1_SDA             0x400001fd
 162                 >;
 163         };
 164
 165         pinctrl_i2c2: i2c2grp {
 166                 fsl,pins = <
 167                         MX50_PAD_I2C2_SCL__I2C2_SCL             0x400001fd
 168                         MX50_PAD_I2C2_SDA__I2C2_SDA             0x400001fd
 169                 >;
 170         };
 171
 172         pinctrl_i2c3: i2c3grp {
 173                 fsl,pins = <
 174                         MX50_PAD_I2C3_SCL__I2C3_SCL             0x400001fd
 175                         MX50_PAD_I2C3_SDA__I2C3_SDA             0x400001fd
 176                 >;
 177         };
 178
 179         pinctrl_leds: ledsgrp {
 180                 fsl,pins = <
 181                         MX50_PAD_PWM1__GPIO6_24                 0x0
 182                 >;
 183         };
 184
 185         pinctrl_sd1: sd1grp {
 186                 fsl,pins = <
 187                         MX50_PAD_SD1_CMD__ESDHC1_CMD            0x1e4
 188                         MX50_PAD_SD1_CLK__ESDHC1_CLK            0xd4
 189                         MX50_PAD_SD1_D0__ESDHC1_DAT0            0x1d4
 190                         MX50_PAD_SD1_D1__ESDHC1_DAT1            0x1d4
 191                         MX50_PAD_SD1_D2__ESDHC1_DAT2            0x1d4
 192                         MX50_PAD_SD1_D3__ESDHC1_DAT3            0x1d4
 193
 194                         MX50_PAD_SD2_CD__GPIO5_17               0x0
 195                 >;
 196         };
 197
 198         pinctrl_sd2: sd2grp {
 199                 fsl,pins = <
 200                         MX50_PAD_SD2_CMD__ESDHC2_CMD            0x1e4
 201                         MX50_PAD_SD2_CLK__ESDHC2_CLK            0xd4
 202                         MX50_PAD_SD2_D0__ESDHC2_DAT0            0x1d4
 203                         MX50_PAD_SD2_D1__ESDHC2_DAT1            0x1d4
 204                         MX50_PAD_SD2_D2__ESDHC2_DAT2            0x1d4
 205                         MX50_PAD_SD2_D3__ESDHC2_DAT3            0x1d4
 206                 >;
 207         };
 208
 209         pinctrl_sd2_reset: sd2-resetgrp {
 210                 fsl,pins = <
 211                         MX50_PAD_ECSPI2_MOSI__GPIO4_17          0x0
 212                 >;
 213         };
 214
 215         pinctrl_sd2_vmmc: sd2-vmmcgrp {
 216                 fsl,pins = <
 217                         MX50_PAD_ECSPI1_SCLK__GPIO4_12          0x0
 218                 >;
 219         };
 220
 221         pinctrl_sd3: sd3grp {
 222                 fsl,pins = <
 223                         MX50_PAD_SD3_CMD__ESDHC3_CMD            0x1e4
 224                         MX50_PAD_SD3_CLK__ESDHC3_CLK            0xd4
 225                         MX50_PAD_SD3_D0__ESDHC3_DAT0            0x1d4
 226                         MX50_PAD_SD3_D1__ESDHC3_DAT1            0x1d4
 227                         MX50_PAD_SD3_D2__ESDHC3_DAT2            0x1d4
 228                         MX50_PAD_SD3_D3__ESDHC3_DAT3            0x1d4
 229                         MX50_PAD_SD3_D4__ESDHC3_DAT4            0x1d4
 230                         MX50_PAD_SD3_D5__ESDHC3_DAT5            0x1d4
 231                         MX50_PAD_SD3_D6__ESDHC3_DAT6            0x1d4
 232                         MX50_PAD_SD3_D7__ESDHC3_DAT7            0x1d4
 233                 >;
 234         };
 235
 236         pinctrl_ts: tsgrp {
 237                 fsl,pins = <
 238                         MX50_PAD_CSPI_MOSI__GPIO4_9             0x0
 239                         MX50_PAD_SD2_D5__GPIO5_13               0x0
 240                 >;
 241         };
 242
 243         pinctrl_uart2: uart2grp {
 244                 fsl,pins = <
 245                         MX50_PAD_UART2_TXD__UART2_TXD_MUX       0x1e4
 246                         MX50_PAD_UART2_RXD__UART2_RXD_MUX       0x1e4
 247                 >;
 248         };
 249
 250         pinctrl_usbphy: usbphygrp {
 251                 fsl,pins = <
 252                         MX50_PAD_ECSPI2_SS0__GPIO4_19           0x0
 253                 >;
 254         };
 255 };
 256
 257 &uart2 {
 258         pinctrl-names = "default";
 259         pinctrl-0 = <&pinctrl_uart2>;
 260         status = "okay";
 261 };
 262
 263 &usbotg {
 264         phy_type = "utmi_wide";
 265         dr_mode = "peripheral";
 266         status = "okay";
 267 };
 268
 269 &usbphy0 {
 270         pinctrl-names = "default";
 271         pinctrl-0 = <&pinctrl_usbphy>;
 272         vbus-detect-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>;
 273 };