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
  10 / {
  11         model = "Kobo Aura (N514)";
  12         compatible = "kobo,aura", "fsl,imx50";
  13
  14         chosen {
  15                 stdout-path = "serial1:115200n8";
  16         };
  17
  18         memory@70000000 {
  19                 device_type = "memory";
  20                 reg = <0x70000000 0x10000000>;
  21         };
  22
  23         gpio-leds {
  24                 compatible = "gpio-leds";
  25                 pinctrl-names = "default";
  26                 pinctrl-0 = <&pinctrl_leds>;
  27
  28                 on {
  29                         label = "kobo_aura:orange:on";
  30                         gpios = <&gpio6 24 GPIO_ACTIVE_LOW>;
  31                         panic-indicator;
  32                 };
  33         };
  34
  35         gpio-keys {
  36                 compatible = "gpio-keys";
  37                 pinctrl-names = "default";
  38                 pinctrl-0 = <&pinctrl_gpiokeys>;
  39
  40                 power {
  41                         label = "Power Button";
  42                         gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
  43                         linux,code = <KEY_POWER>;
  44                 };
  45
  46                 hallsensor {
  47                         label = "Hallsensor";
  48                         gpios = <&gpio5 15 GPIO_ACTIVE_LOW>;
  49                         linux,code = <KEY_RESERVED>;
  50                         linux,input-type = <EV_SW>;
  51                 };
  52
  53                 frontlight {
  54                         label = "Frontlight";
  55                         gpios = <&gpio4 1 GPIO_ACTIVE_LOW>;
  56                         linux,code = <KEY_DISPLAYTOGGLE>;
  57                 };
  58         };
  59
  60         sd2_pwrseq: pwrseq {
  61                 compatible = "mmc-pwrseq-simple";
  62                 pinctrl-names = "default";
  63                 pinctrl-0 = <&pinctrl_sd2_reset>;
  64                 reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
  65         };
  66
  67         sd2_vmmc: gpio-regulator {
  68                 compatible = "regulator-gpio";
  69                 pinctrl-names = "default";
  70                 pinctrl-0 = <&pinctrl_sd2_vmmc>;
  71                 regulator-name = "vmmc";
  72                 states = <3300000 0>;
  73                 regulator-min-microvolt = <3300000>;
  74                 regulator-max-microvolt = <3300000>;
  75                 enable-gpio = <&gpio4 12 GPIO_ACTIVE_LOW>;
  76                 startup-delay-us = <100000>;
  77         };
  78 };
  79
  80 &esdhc1 {
  81         pinctrl-names = "default";
  82         pinctrl-0 = <&pinctrl_sd1>;
  83         max-frequency = <50000000>;
  84         bus-width = <4>;
  85         cd-gpios = <&gpio5 17 GPIO_ACTIVE_LOW>;
  86         disable-wp;
  87         status = "okay";
  88
  89         /* External µSD card */
  90 };
  91
  92 &esdhc2 {
  93         pinctrl-names = "default";
  94         pinctrl-0 = <&pinctrl_sd2>;
  95         bus-width = <4>;
  96         max-frequency = <50000000>;
  97         disable-wp;
  98         mmc-pwrseq = <&sd2_pwrseq>;
  99         vmmc-supply = <&sd2_vmmc>;
 100         status = "okay";
 101
 102         /* CyberTan WC121 SDIO WiFi (BCM43362) */
 103 };
 104
 105 &esdhc3 {
 106         pinctrl-names = "default";
 107         pinctrl-0 = <&pinctrl_sd3>;
 108         bus-width = <8>;
 109         non-removable;
 110         max-frequency = <50000000>;
 111         disable-wp;
 112         status = "okay";
 113
 114         /* Internal eMMC */
 115 };
 116
 117 &i2c1 {
 118         pinctrl-names = "default";
 119         pinctrl-0 = <&pinctrl_i2c1>;
 120         status = "okay";
 121
 122         /* TODO: ektf2132 touch controller at 0x15 */
 123 };
 124
 125 &i2c2 {
 126         pinctrl-names = "default";
 127         pinctrl-0 = <&pinctrl_i2c2>;
 128         status = "okay";
 129
 130         /* TODO: TPS65185 PMIC for E Ink at 0x68 */
 131 };
 132
 133 &i2c3 {
 134         pinctrl-names = "default";
 135         pinctrl-0 = <&pinctrl_i2c3>;
 136         status = "okay";
 137
 138         /* TODO: embedded controller at 0x43 */
 139 };
 140
 141 &iomuxc {
 142         pinctrl_gpiokeys: gpiokeys {
 143                 fsl,pins = <
 144                         MX50_PAD_CSPI_MISO__GPIO4_10            0x0
 145                         MX50_PAD_SD2_D7__GPIO5_15               0x0
 146                         MX50_PAD_KEY_ROW0__GPIO4_1              0x0
 147                 >;
 148         };
 149
 150         pinctrl_i2c1: i2c1 {
 151                 fsl,pins = <
 152                         MX50_PAD_I2C1_SCL__I2C1_SCL             0x400001fd
 153                         MX50_PAD_I2C1_SDA__I2C1_SDA             0x400001fd
 154                 >;
 155         };
 156
 157         pinctrl_i2c2: i2c2 {
 158                 fsl,pins = <
 159                         MX50_PAD_I2C2_SCL__I2C2_SCL             0x400001fd
 160                         MX50_PAD_I2C2_SDA__I2C2_SDA             0x400001fd
 161                 >;
 162         };
 163
 164         pinctrl_i2c3: i2c3 {
 165                 fsl,pins = <
 166                         MX50_PAD_I2C3_SCL__I2C3_SCL             0x400001fd
 167                         MX50_PAD_I2C3_SDA__I2C3_SDA             0x400001fd
 168                 >;
 169         };
 170
 171         pinctrl_leds: leds {
 172                 fsl,pins = <
 173                         MX50_PAD_PWM1__GPIO6_24                 0x0
 174                 >;
 175         };
 176
 177         pinctrl_sd1: sd1 {
 178                 fsl,pins = <
 179                         MX50_PAD_SD1_CMD__ESDHC1_CMD            0x1e4
 180                         MX50_PAD_SD1_CLK__ESDHC1_CLK            0xd4
 181                         MX50_PAD_SD1_D0__ESDHC1_DAT0            0x1d4
 182                         MX50_PAD_SD1_D1__ESDHC1_DAT1            0x1d4
 183                         MX50_PAD_SD1_D2__ESDHC1_DAT2            0x1d4
 184                         MX50_PAD_SD1_D3__ESDHC1_DAT3            0x1d4
 185
 186                         MX50_PAD_SD2_CD__GPIO5_17               0x0
 187                 >;
 188         };
 189
 190         pinctrl_sd2: sd2 {
 191                 fsl,pins = <
 192                         MX50_PAD_SD2_CMD__ESDHC2_CMD            0x1e4
 193                         MX50_PAD_SD2_CLK__ESDHC2_CLK            0xd4
 194                         MX50_PAD_SD2_D0__ESDHC2_DAT0            0x1d4
 195                         MX50_PAD_SD2_D1__ESDHC2_DAT1            0x1d4
 196                         MX50_PAD_SD2_D2__ESDHC2_DAT2            0x1d4
 197                         MX50_PAD_SD2_D3__ESDHC2_DAT3            0x1d4
 198                 >;
 199         };
 200
 201         pinctrl_sd2_reset: sd2-reset {
 202                 fsl,pins = <
 203                         MX50_PAD_ECSPI2_MOSI__GPIO4_17          0x0
 204                 >;
 205         };
 206
 207         pinctrl_sd2_vmmc: sd2-vmmc {
 208                 fsl,pins = <
 209                         MX50_PAD_ECSPI1_SCLK__GPIO4_12          0x0
 210                 >;
 211         };
 212
 213         pinctrl_sd3: sd3 {
 214                 fsl,pins = <
 215                         MX50_PAD_SD3_CMD__ESDHC3_CMD            0x1e4
 216                         MX50_PAD_SD3_CLK__ESDHC3_CLK            0xd4
 217                         MX50_PAD_SD3_D0__ESDHC3_DAT0            0x1d4
 218                         MX50_PAD_SD3_D1__ESDHC3_DAT1            0x1d4
 219                         MX50_PAD_SD3_D2__ESDHC3_DAT2            0x1d4
 220                         MX50_PAD_SD3_D3__ESDHC3_DAT3            0x1d4
 221                         MX50_PAD_SD3_D4__ESDHC3_DAT4            0x1d4
 222                         MX50_PAD_SD3_D5__ESDHC3_DAT5            0x1d4
 223                         MX50_PAD_SD3_D6__ESDHC3_DAT6            0x1d4
 224                         MX50_PAD_SD3_D7__ESDHC3_DAT7            0x1d4
 225                 >;
 226         };
 227
 228         pinctrl_uart2: uart2 {
 229                 fsl,pins = <
 230                         MX50_PAD_UART2_TXD__UART2_TXD_MUX       0x1e4
 231                         MX50_PAD_UART2_RXD__UART2_RXD_MUX       0x1e4
 232                 >;
 233         };
 234
 235         pinctrl_usbphy: usbphy {
 236                 fsl,pins = <
 237                         MX50_PAD_ECSPI2_SS0__GPIO4_19           0x0
 238                 >;
 239         };
 240 };
 241
 242 &uart2 {
 243         pinctrl-names = "default";
 244         pinctrl-0 = <&pinctrl_uart2>;
 245         status = "okay";
 246 };
 247
 248 &usbotg {
 249         phy_type = "utmi_wide";
 250         dr_mode = "peripheral";
 251         status = "okay";
 252 };
 253
 254 &usbphy0 {
 255         pinctrl-names = "default";
 256         pinctrl-0 = <&pinctrl_usbphy>;
 257         vbus-detect-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>;
 258 };