arch/arm/boot/dts/tegra124-apalis-v1.2-eval.dts

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 /*
   3  * Copyright 2016-2018 Toradex AG
   4  */
   5
   6 /dts-v1/;
   7
   8 #include <dt-bindings/input/input.h>
   9 #include "tegra124-apalis-v1.2.dtsi"
  10
  11 / {
  12         model = "Toradex Apalis TK1 on Apalis Evaluation Board";
  13         compatible = "toradex,apalis-tk1-v1.2-eval", "toradex,apalis-tk1-eval",
  14                      "toradex,apalis-tk1", "nvidia,tegra124";
  15
  16         aliases {
  17                 rtc0 = "/i2c@7000c000/rtc@68";
  18                 rtc1 = "/i2c@7000d000/pmic@40";
  19                 rtc2 = "/rtc@7000e000";
  20                 serial0 = &uarta;
  21                 serial1 = &uartb;
  22                 serial2 = &uartc;
  23                 serial3 = &uartd;
  24         };
  25
  26         chosen {
  27                 stdout-path = "serial0:115200n8";
  28         };
  29
  30         pcie@1003000 {
  31                 pci@1,0 {
  32                         status = "okay";
  33                 };
  34         };
  35
  36         host1x@50000000 {
  37                 hdmi@54280000 {
  38                         status = "okay";
  39                 };
  40         };
  41
  42         /* Apalis UART1 */
  43         serial@70006000 {
  44                 status = "okay";
  45         };
  46
  47         /* Apalis UART2 */
  48         serial@70006040 {
  49                 status = "okay";
  50         };
  51
  52         /* Apalis UART3 */
  53         serial@70006200 {
  54                 status = "okay";
  55         };
  56
  57         /* Apalis UART4 */
  58         serial@70006300 {
  59                 status = "okay";
  60         };
  61
  62         pwm@7000a000 {
  63                 status = "okay";
  64         };
  65
  66         /*
  67          * GEN1_I2C: I2C1_SDA/SCL on MXM3 pin 209/211 (e.g. RTC on carrier
  68          * board)
  69          */
  70         i2c@7000c000 {
  71                 status = "okay";
  72                 clock-frequency = <400000>;
  73
  74                 pcie-switch@58 {
  75                         compatible = "plx,pex8605";
  76                         reg = <0x58>;
  77                 };
  78
  79                 /* M41T0M6 real time clock on carrier board */
  80                 rtc@68 {
  81                         compatible = "st,m41t0";
  82                         reg = <0x68>;
  83                 };
  84         };
  85
  86         /* GEN2_I2C: unused */
  87
  88         /*
  89          * CAM_I2C: I2C3_SDA/SCL (CAM) on MXM3 pin 201/203 (e.g. camera sensor
  90          * on carrier board)
  91          */
  92         i2c@7000c500 {
  93                 status = "okay";
  94                 clock-frequency = <400000>;
  95         };
  96
  97         /*
  98          * I2C4 (DDC): I2C4_SDA/SCL (DDC) on MXM3 pin 205/207
  99          * (e.g. display EDID)
 100          */
 101         hdmi_ddc: i2c@7000c700 {
 102                 status = "okay";
 103         };
 104
 105         /* SPI1: Apalis SPI1 */
 106         spi@7000d400 {
 107                 status = "okay";
 108                 spi-max-frequency = <50000000>;
 109
 110                 spidev0: spidev@0 {
 111                         compatible = "spidev";
 112                         reg = <0>;
 113                         spi-max-frequency = <50000000>;
 114                 };
 115         };
 116
 117         /* SPI4: Apalis SPI2 */
 118         spi@7000da00 {
 119                 status = "okay";
 120                 spi-max-frequency = <50000000>;
 121
 122                 spidev1: spidev@0 {
 123                         compatible = "spidev";
 124                         reg = <0>;
 125                         spi-max-frequency = <50000000>;
 126                 };
 127         };
 128
 129         /* Apalis Serial ATA */
 130         sata@70020000 {
 131                 status = "okay";
 132         };
 133
 134         hda@70030000 {
 135                 status = "okay";
 136         };
 137
 138         usb@70090000 {
 139                 status = "okay";
 140         };
 141
 142         /* Apalis MMC1 */
 143         sdhci@700b0000 {
 144                 status = "okay";
 145                 /* MMC1_CD# */
 146                 cd-gpios = <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_LOW>;
 147                 bus-width = <4>;
 148                 vqmmc-supply = <&vddio_sdmmc1>;
 149         };
 150
 151         /* Apalis SD1 */
 152         sdhci@700b0400 {
 153                 status = "okay";
 154                 /* SD1_CD# */
 155                 cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
 156                 bus-width = <4>;
 157                 vqmmc-supply = <&vddio_sdmmc3>;
 158         };
 159
 160         /* EHCI instance 0: USB1_DP/N -> USBO1_DP/N */
 161         usb@7d000000 {
 162                 status = "okay";
 163                 dr_mode = "otg";
 164         };
 165
 166         usb-phy@7d000000 {
 167                 status = "okay";
 168                 vbus-supply = <&reg_usbo1_vbus>;
 169         };
 170
 171         /* EHCI instance 1: USB2_DP/N -> USBH2_DP/N */
 172         usb@7d004000 {
 173                 status = "okay";
 174         };
 175
 176         usb-phy@7d004000 {
 177                 status = "okay";
 178                 vbus-supply = <&reg_usbh_vbus>;
 179         };
 180
 181         /* EHCI instance 2: USB3_DP/N -> USBH4_DP/N */
 182         usb@7d008000 {
 183                 status = "okay";
 184         };
 185
 186         usb-phy@7d008000 {
 187                 status = "okay";
 188                 vbus-supply = <&reg_usbh_vbus>;
 189         };
 190
 191         backlight: backlight {
 192                 compatible = "pwm-backlight";
 193                 pwms = <&pwm 3 5000000>; /* BKL1_PWM */
 194                 brightness-levels = <255 231 223 207 191 159 127 0>;
 195                 default-brightness-level = <6>;
 196                 /* BKL1_ON */
 197                 enable-gpios = <&gpio TEGRA_GPIO(BB, 5) GPIO_ACTIVE_HIGH>;
 198         };
 199
 200         gpio-keys {
 201                 compatible = "gpio-keys";
 202
 203                 wakeup {
 204                         label = "WAKE1_MICO";
 205                         gpios = <&gpio TEGRA_GPIO(DD, 3) GPIO_ACTIVE_LOW>;
 206                         linux,code = <KEY_WAKEUP>;
 207                         debounce-interval = <10>;
 208                         wakeup-source;
 209                 };
 210         };
 211
 212         reg_5v0: regulator-5v0 {
 213                 compatible = "regulator-fixed";
 214                 regulator-name = "5V_SW";
 215                 regulator-min-microvolt = <5000000>;
 216                 regulator-max-microvolt = <5000000>;
 217         };
 218
 219         /* USBO1_EN */
 220         reg_usbo1_vbus: regulator-usbo1-vbus {
 221                 compatible = "regulator-fixed";
 222                 regulator-name = "VCC_USBO1";
 223                 regulator-min-microvolt = <5000000>;
 224                 regulator-max-microvolt = <5000000>;
 225                 gpio = <&gpio TEGRA_GPIO(T, 5) GPIO_ACTIVE_HIGH>;
 226                 enable-active-high;
 227                 vin-supply = <&reg_5v0>;
 228         };
 229
 230         /* USBH_EN */
 231         reg_usbh_vbus: regulator-usbh-vbus {
 232                 compatible = "regulator-fixed";
 233                 regulator-name = "VCC_USBH(2A|2C|2D|3|4)";
 234                 regulator-min-microvolt = <5000000>;
 235                 regulator-max-microvolt = <5000000>;
 236                 gpio = <&gpio TEGRA_GPIO(T, 6) GPIO_ACTIVE_HIGH>;
 237                 enable-active-high;
 238                 vin-supply = <&reg_5v0>;
 239         };
 240 };
 241
 242 &gpio {
 243         /* Apalis GPIO7 MXM3 pin 15 PLX PEX 8605 PCIe Switch Reset */
 244         pex_perst_n {
 245                 gpio-hog;
 246                 gpios = <TEGRA_GPIO(DD, 1) GPIO_ACTIVE_HIGH>;
 247                 output-high;
 248                 line-name = "PEX_PERST_N";
 249         };
 250 };