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 {
  22                 reg = <0x40000000 0x3FF00000>;
  23         };
  24
  25         leds {
  26                 compatible = "gpio-leds";
  27                 led1 {
  28                         label = "led1:heart";
  29                         gpios = <&gpc1 0 GPIO_ACTIVE_LOW>;
  30                         default-state = "on";
  31                         linux,default-trigger = "heartbeat";
  32                 };
  33                 led2 {
  34                         label = "led2:mmc0";
  35                         gpios = <&gpc1 2 GPIO_ACTIVE_LOW>;
  36                         default-state = "on";
  37                         linux,default-trigger = "mmc0";
  38                 };
  39         };
  40
  41         gpio_keys {
  42                 pinctrl-0 = <&gpio_power_key &gpio_home_key>;
  43
  44                 home_key {
  45                         interrupt-parent = <&gpx2>;
  46                         interrupts = <2 0>;
  47                         gpios = <&gpx2 2 GPIO_ACTIVE_HIGH>;
  48                         linux,code = <KEY_HOME>;
  49                         label = "home key";
  50                         debounce-interval = <10>;
  51                         wakeup-source;
  52                 };
  53         };
  54
  55         regulator_p3v3 {
  56                 compatible = "regulator-fixed";
  57                 regulator-name = "p3v3_en";
  58                 regulator-min-microvolt = <3300000>;
  59                 regulator-max-microvolt = <3300000>;
  60                 gpio = <&gpa1 1 GPIO_ACTIVE_LOW>;
  61                 enable-active-high;
  62                 regulator-always-on;
  63         };
  64 };
  65
  66 /* VDDQ for MSHC (eMMC card) */
  67 &buck8_reg {
  68         regulator-name = "BUCK8_VDDQ_MMC4_2.8V";
  69         regulator-min-microvolt = <2800000>;
  70         regulator-max-microvolt = <2800000>;
  71 };
  72
  73 &ehci {
  74         port@1 {
  75                 status = "okay";
  76         };
  77 };
  78
  79 &mshc_0 {
  80         vqmmc-supply = <&buck8_reg>;
  81 };
  82
  83 &pinctrl_1 {
  84         gpio_home_key: home_key {
  85                 samsung,pins = "gpx2-2";
  86                 samsung,pin-pud = <0>;
  87         };
  88 };
  89
  90 &serial_2 {
  91         status = "okay";
  92 };
  93
  94 &serial_3 {
  95         status = "okay";
  96 };