| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Hardkernel's Exynos4412 based ODROID-X board device tree source |
| 4 | * |
| 5 | * Copyright (c) 2012 Dongjin Kim <tobetter@gmail.com> |
| 6 | * |
| 7 | * Device tree source file for Hardkernel's ODROID-X board which is based |
| 8 | * on Samsung's Exynos4412 SoC. |
| 9 | */ |
| 10 | |
| 11 | /dts-v1/; |
| 12 | #include "exynos4412-odroid-common.dtsi" |
| 13 | |
| 14 | / { |
| 15 | model = "Hardkernel ODROID-X board based on Exynos4412"; |
| 16 | compatible = "hardkernel,odroid-x", "samsung,exynos4412", "samsung,exynos4"; |
| 17 | |
| 18 | memory@40000000 { |
| 19 | device_type = "memory"; |
| 20 | reg = <0x40000000 0x3FF00000>; |
| 21 | }; |
| 22 | |
| 23 | leds { |
| 24 | compatible = "gpio-leds"; |
| 25 | led1 { |
| 26 | label = "led1:heart"; |
| 27 | gpios = <&gpc1 0 GPIO_ACTIVE_LOW>; |
| 28 | default-state = "on"; |
| 29 | linux,default-trigger = "heartbeat"; |
| 30 | }; |
| 31 | led2 { |
| 32 | label = "led2:mmc0"; |
| 33 | gpios = <&gpc1 2 GPIO_ACTIVE_LOW>; |
| 34 | default-state = "on"; |
| 35 | linux,default-trigger = "mmc0"; |
| 36 | }; |
| 37 | }; |
| 38 | |
| 39 | gpio_keys { |
| 40 | pinctrl-0 = <&gpio_power_key &gpio_home_key>; |
| 41 | |
| 42 | home_key { |
| 43 | gpios = <&gpx2 2 GPIO_ACTIVE_HIGH>; |
| 44 | linux,code = <KEY_HOME>; |
| 45 | label = "home key"; |
| 46 | debounce-interval = <10>; |
| 47 | wakeup-source; |
| 48 | }; |
| 49 | }; |
| 50 | |
| 51 | regulator_p3v3 { |
| 52 | compatible = "regulator-fixed"; |
| 53 | regulator-name = "p3v3_en"; |
| 54 | regulator-min-microvolt = <3300000>; |
| 55 | regulator-max-microvolt = <3300000>; |
| 56 | gpio = <&gpa1 1 GPIO_ACTIVE_HIGH>; |
| 57 | enable-active-high; |
| 58 | regulator-always-on; |
| 59 | }; |
| 60 | }; |
| 61 | |
| 62 | &adc { |
| 63 | vdd-supply = <&ldo10_reg>; |
| 64 | status = "okay"; |
| 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 | phys = <&exynos_usbphy 2>; |
| 76 | phy-names = "hsic0"; |
| 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 = <EXYNOS_PIN_PULL_NONE>; |
| 87 | }; |
| 88 | }; |
| 89 | |
| 90 | &serial_2 { |
| 91 | status = "okay"; |
| 92 | }; |
| 93 | |
| 94 | &serial_3 { |
| 95 | status = "okay"; |
| 96 | }; |
| 97 | |
| 98 | &sound { |
| 99 | model = "Odroid-X"; |
| 100 | samsung,audio-widgets = |
| 101 | "Headphone", "Headphone Jack", |
| 102 | "Microphone", "Mic Jack", |
| 103 | "Microphone", "DMIC"; |
| 104 | samsung,audio-routing = |
| 105 | "Headphone Jack", "HPL", |
| 106 | "Headphone Jack", "HPR", |
| 107 | "IN1", "Mic Jack", |
| 108 | "Mic Jack", "MICBIAS"; |
| 109 | }; |