105 lines
2 KiB
Text
105 lines
2 KiB
Text
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Oriole Device Tree
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*
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* Copyright 2021-2023 Google LLC
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* Copyright 2023 Linaro Ltd - <peter.griffin@linaro.org>
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*/
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include "gs101-pinctrl.h"
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#include "gs101.dtsi"
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/ {
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model = "Oriole";
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compatible = "google,gs101-oriole", "google,gs101";
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aliases {
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serial0 = &serial_0;
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};
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chosen {
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/* Bootloader expects bootargs specified otherwise it crashes */
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bootargs = "";
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stdout-path = &serial_0;
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};
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gpio-keys {
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compatible = "gpio-keys";
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pinctrl-names = "default";
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pinctrl-0 = <&key_voldown>, <&key_volup>, <&key_power>;
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button-vol-down {
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label = "KEY_VOLUMEDOWN";
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linux,code = <KEY_VOLUMEDOWN>;
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gpios = <&gpa7 3 GPIO_ACTIVE_LOW>;
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wakeup-source;
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};
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button-vol-up {
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label = "KEY_VOLUMEUP";
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linux,code = <KEY_VOLUMEUP>;
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gpios = <&gpa8 1 GPIO_ACTIVE_LOW>;
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wakeup-source;
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};
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button-power {
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label = "KEY_POWER";
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linux,code = <KEY_POWER>;
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gpios = <&gpa10 1 GPIO_ACTIVE_LOW>;
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wakeup-source;
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};
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};
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};
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&ext_24_5m {
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clock-frequency = <24576000>;
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};
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&ext_200m {
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clock-frequency = <200000000>;
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};
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&pinctrl_far_alive {
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key_voldown: key-voldown-pins {
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samsung,pins = "gpa7-3";
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samsung,pin-function = <GS101_PIN_FUNC_EINT>;
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samsung,pin-pud = <GS101_PIN_PULL_NONE>;
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samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
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};
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key_volup: key-volup-pins {
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samsung,pins = "gpa8-1";
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samsung,pin-function = <GS101_PIN_FUNC_EINT>;
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samsung,pin-pud = <GS101_PIN_PULL_NONE>;
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samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
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};
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};
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&pinctrl_gpio_alive {
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key_power: key-power-pins {
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samsung,pins = "gpa10-1";
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samsung,pin-function = <GS101_PIN_FUNC_EINT>;
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samsung,pin-pud = <GS101_PIN_PULL_NONE>;
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samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
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};
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};
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&serial_0 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart0_bus>;
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status = "okay";
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};
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&usi_uart {
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samsung,clkreq-on; /* needed for UART mode */
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status = "okay";
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};
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&watchdog_cl0 {
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timeout-sec = <30>;
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status = "okay";
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};
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