arch/arm/boot/dts/exynos4412-odroidx.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Hardkernel's Exynos4412 based ODROID-X board device tree source
   4  *
   5  * Copyright (c) 2012 Dongjin Kim <tobetter@gmail.com>
   6  *
   7  * Device tree source file for Hardkernel's ODROID-X board which is based
   8  * on Samsung's Exynos4412 SoC.
   9  */
  10
  11 /dts-v1/;
  12 #include "exynos4412-odroid-common.dtsi"
  13
  14 / {
  15         model = "Hardkernel ODROID-X board based on Exynos4412";
  16         compatible = "hardkernel,odroid-x", "samsung,exynos4412", "samsung,exynos4";
  17
  18         memory@40000000 {
  19                 device_type = "memory";
  20                 reg = <0x40000000 0x3FF00000>;
  21         };
  22
  23         leds {
  24                 compatible = "gpio-leds";
  25                 led1 {
  26                         label = "led1:heart";
  27                         gpios = <&gpc1 0 GPIO_ACTIVE_LOW>;
  28                         default-state = "on";
  29                         linux,default-trigger = "heartbeat";
  30                 };
  31                 led2 {
  32                         label = "led2:mmc0";
  33                         gpios = <&gpc1 2 GPIO_ACTIVE_LOW>;
  34                         default-state = "on";
  35                         linux,default-trigger = "mmc0";
  36                 };
  37         };
  38
  39         gpio_keys {
  40                 pinctrl-0 = <&gpio_power_key &gpio_home_key>;
  41
  42                 home_key {
  43                         gpios = <&gpx2 2 GPIO_ACTIVE_HIGH>;
  44                         linux,code = <KEY_HOME>;
  45                         label = "home key";
  46                         debounce-interval = <10>;
  47                         wakeup-source;
  48                 };
  49         };
  50
  51         regulator_p3v3 {
  52                 compatible = "regulator-fixed";
  53                 regulator-name = "p3v3_en";
  54                 regulator-min-microvolt = <3300000>;
  55                 regulator-max-microvolt = <3300000>;
  56                 gpio = <&gpa1 1 GPIO_ACTIVE_LOW>;
  57                 enable-active-high;
  58                 regulator-always-on;
  59         };
  60 };
  61
  62 &adc {
  63         vdd-supply = <&ldo10_reg>;
  64         status = "okay";
  65 };
  66
  67 /* VDDQ for MSHC (eMMC card) */
  68 &buck8_reg {
  69         regulator-name = "BUCK8_VDDQ_MMC4_2.8V";
  70         regulator-min-microvolt = <2800000>;
  71         regulator-max-microvolt = <2800000>;
  72 };
  73
  74 &ehci {
  75         port@1 {
  76                 status = "okay";
  77         };
  78 };
  79
  80 &mshc_0 {
  81         vqmmc-supply = <&buck8_reg>;
  82 };
  83
  84 &pinctrl_1 {
  85         gpio_home_key: home_key {
  86                 samsung,pins = "gpx2-2";
  87                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
  88         };
  89 };
  90
  91 &serial_2 {
  92         status = "okay";
  93 };
  94
  95 &serial_3 {
  96         status = "okay";
  97 };
  98
  99 &sound {
 100         model = "Odroid-X";
 101         samsung,audio-widgets =
 102                 "Headphone", "Headphone Jack",
 103                 "Microphone", "Mic Jack",
 104                 "Microphone", "DMIC";
 105         samsung,audio-routing =
 106                 "Headphone Jack", "HPL",
 107                 "Headphone Jack", "HPR",
 108                 "IN1", "Mic Jack",
 109                 "Mic Jack", "MICBIAS";
 110 };