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

   1 /*
   2  * Hardkernel's Exynos4412 based ODROID-X board device tree source
   3  *
   4  * Copyright (c) 2012 Dongjin Kim <tobetter@gmail.com>
   5  *
   6  * Device tree source file for Hardkernel's ODROID-X board which is based
   7  * on Samsung's Exynos4412 SoC.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12 */
  13
  14 /dts-v1/;
  15 #include "exynos4412-odroid-common.dtsi"
  16
  17 / {
  18         model = "Hardkernel ODROID-X board based on Exynos4412";
  19         compatible = "hardkernel,odroid-x", "samsung,exynos4412", "samsung,exynos4";
  20
  21         memory@40000000 {
  22                 device_type = "memory";
  23                 reg = <0x40000000 0x3FF00000>;
  24         };
  25
  26         leds {
  27                 compatible = "gpio-leds";
  28                 led1 {
  29                         label = "led1:heart";
  30                         gpios = <&gpc1 0 GPIO_ACTIVE_LOW>;
  31                         default-state = "on";
  32                         linux,default-trigger = "heartbeat";
  33                 };
  34                 led2 {
  35                         label = "led2:mmc0";
  36                         gpios = <&gpc1 2 GPIO_ACTIVE_LOW>;
  37                         default-state = "on";
  38                         linux,default-trigger = "mmc0";
  39                 };
  40         };
  41
  42         gpio_keys {
  43                 pinctrl-0 = <&gpio_power_key &gpio_home_key>;
  44
  45                 home_key {
  46                         gpios = <&gpx2 2 GPIO_ACTIVE_HIGH>;
  47                         linux,code = <KEY_HOME>;
  48                         label = "home key";
  49                         debounce-interval = <10>;
  50                         wakeup-source;
  51                 };
  52         };
  53
  54         regulator_p3v3 {
  55                 compatible = "regulator-fixed";
  56                 regulator-name = "p3v3_en";
  57                 regulator-min-microvolt = <3300000>;
  58                 regulator-max-microvolt = <3300000>;
  59                 gpio = <&gpa1 1 GPIO_ACTIVE_LOW>;
  60                 enable-active-high;
  61                 regulator-always-on;
  62         };
  63 };
  64
  65 &adc {
  66         vdd-supply = <&ldo10_reg>;
  67         status = "okay";
  68 };
  69
  70 /* VDDQ for MSHC (eMMC card) */
  71 &buck8_reg {
  72         regulator-name = "BUCK8_VDDQ_MMC4_2.8V";
  73         regulator-min-microvolt = <2800000>;
  74         regulator-max-microvolt = <2800000>;
  75 };
  76
  77 &ehci {
  78         port@1 {
  79                 status = "okay";
  80         };
  81 };
  82
  83 &mshc_0 {
  84         vqmmc-supply = <&buck8_reg>;
  85 };
  86
  87 &pinctrl_1 {
  88         gpio_home_key: home_key {
  89                 samsung,pins = "gpx2-2";
  90                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
  91         };
  92 };
  93
  94 &serial_2 {
  95         status = "okay";
  96 };
  97
  98 &serial_3 {
  99         status = "okay";
 100 };
 101
 102 &sound {
 103         simple-audio-card,name = "Odroid-X";
 104         simple-audio-card,widgets =
 105                 "Headphone", "Headphone Jack",
 106                 "Microphone", "Mic Jack",
 107                 "Microphone", "DMIC";
 108         simple-audio-card,routing =
 109                 "Headphone Jack", "HPL",
 110                 "Headphone Jack", "HPR",
 111                 "IN1", "Mic Jack",
 112                 "Mic Jack", "MICBIAS";
 113 };