projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 93743d24 TR |
1 | // SPDX-License-Identifier: GPL-2.0-only |
| 2 | /* | |
| 3 | * Oriole Device Tree | |
| 4 | * | |
| 5 | * Copyright 2021-2023 Google LLC | |
| 6 | * Copyright 2023 Linaro Ltd - <peter.griffin@linaro.org> | |
| 7 | */ | |
| 8 | ||
| 9 | /dts-v1/; | |
| 10 | ||
| 11 | #include <dt-bindings/gpio/gpio.h> | |
| 12 | #include <dt-bindings/input/input.h> | |
| 13 | #include "gs101-pinctrl.h" | |
| 14 | #include "gs101.dtsi" | |
| 15 | ||
| 16 | / { | |
| 17 | model = "Oriole"; | |
| 18 | compatible = "google,gs101-oriole", "google,gs101"; | |
| 19 | ||
| 20 | aliases { | |
| 21 | serial0 = &serial_0; | |
| 22 | }; | |
| 23 | ||
| 24 | chosen { | |
| 25 | /* Bootloader expects bootargs specified otherwise it crashes */ | |
| 26 | bootargs = ""; | |
| 27 | stdout-path = &serial_0; | |
| 28 | }; | |
| 29 | ||
| 30 | gpio-keys { | |
| 31 | compatible = "gpio-keys"; | |
| 32 | pinctrl-names = "default"; | |
| 33 | pinctrl-0 = <&key_voldown>, <&key_volup>, <&key_power>; | |
| 34 | ||
| 35 | button-vol-down { | |
| 36 | label = "KEY_VOLUMEDOWN"; | |
| 37 | linux,code = <KEY_VOLUMEDOWN>; | |
| 38 | gpios = <&gpa7 3 GPIO_ACTIVE_LOW>; | |
| 39 | wakeup-source; | |
| 40 | }; | |
| 41 | ||
| 42 | button-vol-up { | |
| 43 | label = "KEY_VOLUMEUP"; | |
| 44 | linux,code = <KEY_VOLUMEUP>; | |
| 45 | gpios = <&gpa8 1 GPIO_ACTIVE_LOW>; | |
| 46 | wakeup-source; | |
| 47 | }; | |
| 48 | ||
| 49 | button-power { | |
| 50 | label = "KEY_POWER"; | |
| 51 | linux,code = <KEY_POWER>; | |
| 52 | gpios = <&gpa10 1 GPIO_ACTIVE_LOW>; | |
| 53 | wakeup-source; | |
| 54 | }; | |
| 55 | }; | |
| 56 | }; | |
| 57 | ||
| 58 | &ext_24_5m { | |
| 59 | clock-frequency = <24576000>; | |
| 60 | }; | |
| 61 | ||
| 62 | &ext_200m { | |
| 63 | clock-frequency = <200000000>; | |
| 64 | }; | |
| 65 | ||
| 66 | &pinctrl_far_alive { | |
| 67 | key_voldown: key-voldown-pins { | |
| 68 | samsung,pins = "gpa7-3"; | |
| 69 | samsung,pin-function = <GS101_PIN_FUNC_EINT>; | |
| 70 | samsung,pin-pud = <GS101_PIN_PULL_NONE>; | |
| 71 | samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>; | |
| 72 | }; | |
| 73 | ||
| 74 | key_volup: key-volup-pins { | |
| 75 | samsung,pins = "gpa8-1"; | |
| 76 | samsung,pin-function = <GS101_PIN_FUNC_EINT>; | |
| 77 | samsung,pin-pud = <GS101_PIN_PULL_NONE>; | |
| 78 | samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>; | |
| 79 | }; | |
| 80 | }; | |
| 81 | ||
| 82 | &pinctrl_gpio_alive { | |
| 83 | key_power: key-power-pins { | |
| 84 | samsung,pins = "gpa10-1"; | |
| 85 | samsung,pin-function = <GS101_PIN_FUNC_EINT>; | |
| 86 | samsung,pin-pud = <GS101_PIN_PULL_NONE>; | |
| 87 | samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>; | |
| 88 | }; | |
| 89 | }; | |
| 90 | ||
| 91 | &serial_0 { | |
| 92 | pinctrl-names = "default"; | |
| 93 | pinctrl-0 = <&uart0_bus>; | |
| 94 | status = "okay"; | |
| 95 | }; | |
| 96 | ||
| 97 | &usi_uart { | |
| 98 | samsung,clkreq-on; /* needed for UART mode */ | |
| 99 | status = "okay"; | |
| 100 | }; | |
| 101 | ||
| 102 | &watchdog_cl0 { | |
| 103 | timeout-sec = <30>; | |
| 104 | status = "okay"; | |
| 105 | }; |