arch/arm/boot/dts/tegra20-colibri-iris.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /dts-v1/;
   3
   4 #include <dt-bindings/input/input.h>
   5 #include "tegra20-colibri.dtsi"
   6
   7 / {
   8         model = "Toradex Colibri T20 on Iris";
   9         compatible = "toradex,colibri_t20-iris", "toradex,colibri_t20",
  10                      "nvidia,tegra20";
  11
  12         aliases {
  13                 rtc0 = "/i2c@7000c000/rtc@68";
  14                 rtc1 = "/i2c@7000d000/pmic@34";
  15                 rtc2 = "/rtc@7000e000";
  16                 serial0 = &uarta;
  17                 serial1 = &uartd;
  18                 serial2 = &uartb;
  19         };
  20
  21         chosen {
  22                 stdout-path = "serial0:115200n8";
  23         };
  24
  25         host1x@50000000 {
  26                 dc@54200000 {
  27                         rgb {
  28                                 status = "okay";
  29                                 nvidia,panel = <&panel>;
  30                         };
  31                 };
  32
  33                 hdmi@54280000 {
  34                         status = "okay";
  35                         hdmi-supply = <&reg_5v0>;
  36                 };
  37         };
  38
  39         pinmux@70000014 {
  40                 state_default: pinmux {
  41                         bl-on {
  42                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  43                         };
  44
  45                         ddc {
  46                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  47                         };
  48
  49                         hotplug-detect {
  50                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  51                         };
  52
  53                         i2c {
  54                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  55                         };
  56
  57                         lcd {
  58                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  59                         };
  60
  61                         lm1 {
  62                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  63                         };
  64
  65                         mmc {
  66                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  67                         };
  68
  69                         mmccd {
  70                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  71                         };
  72
  73                         pwm-a-b {
  74                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  75                         };
  76
  77                         pwm-c-d {
  78                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  79                         };
  80
  81                         ssp {
  82                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  83                         };
  84
  85                         uart-a {
  86                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  87                         };
  88
  89                         uart-b {
  90                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  91                         };
  92
  93                         uart-c {
  94                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  95                         };
  96
  97                         usbh-pen {
  98                                 nvidia,tristate = <TEGRA_PIN_DISABLE>;
  99                         };
 100                 };
 101         };
 102
 103         /* Colibri UART-A */
 104         serial@70006000 {
 105                 status = "okay";
 106         };
 107
 108         /* Colibri UART-C */
 109         serial@70006040 {
 110                 status = "okay";
 111         };
 112
 113         /* Colibri UART-B */
 114         serial@70006300 {
 115                 status = "okay";
 116         };
 117
 118         pwm@7000a000 {
 119                 status = "okay";
 120         };
 121
 122         /*
 123          * GEN1_I2C: I2C_SDA/SCL on SODIMM pin 194/196 (e.g. RTC on carrier
 124          * board)
 125          */
 126         i2c@7000c000 {
 127                 status = "okay";
 128                 clock-frequency = <400000>;
 129
 130                 /* M41T0M6 real time clock on carrier board */
 131                 rtc@68 {
 132                         compatible = "st,m41t0";
 133                         reg = <0x68>;
 134                 };
 135         };
 136
 137         /* GEN2_I2C: unused */
 138
 139         /* CAM_I2C (I2C3): unused */
 140
 141         /* DDC_CLOCK/DATA on X3 pin 15/16 (e.g. display EDID) */
 142         i2c@7000c400 {
 143                 status = "okay";
 144         };
 145
 146         /* EHCI instance 0: USB1_DP/N -> USBC_P/N */
 147         usb@c5000000 {
 148                 status = "okay";
 149                 dr_mode = "otg";
 150         };
 151
 152         usb-phy@c5000000 {
 153                 status = "okay";
 154                 vbus-supply = <&reg_usbc_vbus>;
 155         };
 156
 157         /* EHCI instance 2: USB3_DP/N -> USBH_P/N */
 158         usb@c5008000 {
 159                 status = "okay";
 160         };
 161
 162         usb-phy@c5008000 {
 163                 status = "okay";
 164                 vbus-supply = <&reg_usbh_vbus>;
 165         };
 166
 167         /* SPI4: Colibri SSP */
 168         spi@7000da00 {
 169                 status = "okay";
 170                 spi-max-frequency = <25000000>;
 171         };
 172
 173         /* SD/MMC */
 174         sdhci@c8000600 {
 175                 status = "okay";
 176                 bus-width = <4>;
 177                 cd-gpios = <&gpio TEGRA_GPIO(C, 7) GPIO_ACTIVE_LOW>; /* MMCD */
 178                 no-1-8-v;
 179         };
 180
 181         backlight: backlight {
 182                 compatible = "pwm-backlight";
 183                 brightness-levels = <255 128 64 32 16 8 4 0>;
 184                 default-brightness-level = <6>;
 185                 /* BL_ON */
 186                 enable-gpios = <&gpio TEGRA_GPIO(T, 4) GPIO_ACTIVE_HIGH>;
 187                 power-supply = <&reg_3v3>;
 188                 pwms = <&pwm 0 5000000>; /* PWM<A> */
 189         };
 190
 191         gpio-keys {
 192                 compatible = "gpio-keys";
 193
 194                 wakeup {
 195                         label = "SODIMM pin 45 wakeup";
 196                         gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
 197                         linux,code = <KEY_WAKEUP>;
 198                         debounce-interval = <10>;
 199                         wakeup-source;
 200                 };
 201         };
 202
 203         panel: panel {
 204                 /*
 205                  * edt,et057090dhu: EDT 5.7" LCD TFT
 206                  * edt,et070080dh6: EDT 7.0" LCD TFT
 207                  */
 208                 compatible = "edt,et057090dhu", "simple-panel";
 209                 backlight = <&backlight>;
 210                 power-supply = <&reg_3v3>;
 211         };
 212
 213         reg_3v3: regulator-3v3 {
 214                 compatible = "regulator-fixed";
 215                 regulator-name = "3.3V";
 216                 regulator-min-microvolt = <3300000>;
 217                 regulator-max-microvolt = <3300000>;
 218         };
 219
 220         reg_5v0: regulator-5v0 {
 221                 compatible = "regulator-fixed";
 222                 regulator-name = "5V";
 223                 regulator-min-microvolt = <5000000>;
 224                 regulator-max-microvolt = <5000000>;
 225         };
 226
 227         reg_usbc_vbus: regulator-usbc-vbus {
 228                 compatible = "regulator-fixed";
 229                 regulator-name = "VCC_USB2";
 230                 regulator-min-microvolt = <5000000>;
 231                 regulator-max-microvolt = <5000000>;
 232                 vin-supply = <&reg_5v0>;
 233         };
 234
 235         /* USBH_PEN resp. USB_P_EN */
 236         reg_usbh_vbus: regulator-usbh-vbus {
 237                 compatible = "regulator-fixed";
 238                 regulator-name = "VCC_USB1";
 239                 regulator-min-microvolt = <5000000>;
 240                 regulator-max-microvolt = <5000000>;
 241                 gpio = <&gpio TEGRA_GPIO(W, 2) GPIO_ACTIVE_LOW>;
 242                 vin-supply = <&reg_5v0>;
 243         };
 244 };