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 = <EXYNOS_PIN_PULL_NONE>; 88 }; 89}; 90 91&serial_2 { 92 status = "okay"; 93}; 94 95&serial_3 { 96 status = "okay"; 97}; 98