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                         interrupt-parent = <&gpx2>;
  47                         interrupts = <2 0>;
  48                         gpios = <&gpx2 2 GPIO_ACTIVE_HIGH>;
  49                         linux,code = <KEY_HOME>;
  50                         label = "home key";
  51                         debounce-interval = <10>;
  52                         wakeup-source;
  53                 };
  54         };
  55
  56         regulator_p3v3 {
  57                 compatible = "regulator-fixed";
  58                 regulator-name = "p3v3_en";
  59                 regulator-min-microvolt = <3300000>;
  60                 regulator-max-microvolt = <3300000>;
  61                 gpio = <&gpa1 1 GPIO_ACTIVE_LOW>;
  62                 enable-active-high;
  63                 regulator-always-on;
  64         };
  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 = <0>;
  88         };
  89 };
  90
  91 &serial_2 {
  92         status = "okay";
  93 };
  94
  95 &serial_3 {
  96         status = "okay";
  97 };