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 gpio-key,wakeup; 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&ehci { 67 port@1 { 68 status = "okay"; 69 }; 70}; 71 72&pinctrl_1 { 73 gpio_home_key: home_key { 74 samsung,pins = "gpx2-2"; 75 samsung,pin-pud = <0>; 76 }; 77}; 78 79&serial_2 { 80 status = "okay"; 81}; 82 83&serial_3 { 84 status = "okay"; 85}; 86