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// SPDX-License-Identifier: GPL-2.0-only
/*
* Oriole Device Tree
*
* Copyright 2021-2023 Google LLC
* Copyright 2023 Linaro Ltd - <peter.griffin@linaro.org>
*/
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "gs101-pinctrl.h"
#include "gs101.dtsi"
/ {
model = "Oriole";
compatible = "google,gs101-oriole", "google,gs101";
aliases {
serial0 = &serial_0;
};
chosen {
/* Bootloader expects bootargs specified otherwise it crashes */
bootargs = "";
stdout-path = &serial_0;
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&key_voldown>, <&key_volup>, <&key_power>;
button-vol-down {
label = "KEY_VOLUMEDOWN";
linux,code = <KEY_VOLUMEDOWN>;
gpios = <&gpa7 3 GPIO_ACTIVE_LOW>;
wakeup-source;
};
button-vol-up {
label = "KEY_VOLUMEUP";
linux,code = <KEY_VOLUMEUP>;
gpios = <&gpa8 1 GPIO_ACTIVE_LOW>;
wakeup-source;
};
button-power {
label = "KEY_POWER";
linux,code = <KEY_POWER>;
gpios = <&gpa10 1 GPIO_ACTIVE_LOW>;
wakeup-source;
};
};
};
&ext_24_5m {
clock-frequency = <24576000>;
};
&ext_200m {
clock-frequency = <200000000>;
};
&hsi2c_8 {
status = "okay";
eeprom: eeprom@50 {
compatible = "atmel,24c08";
reg = <0x50>;
};
};
&hsi2c_12 {
status = "okay";
/* TODO: add the devices once drivers exist */
};
&pinctrl_far_alive {
key_voldown: key-voldown-pins {
samsung,pins = "gpa7-3";
samsung,pin-function = <GS101_PIN_FUNC_EINT>;
samsung,pin-pud = <GS101_PIN_PULL_NONE>;
samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
};
key_volup: key-volup-pins {
samsung,pins = "gpa8-1";
samsung,pin-function = <GS101_PIN_FUNC_EINT>;
samsung,pin-pud = <GS101_PIN_PULL_NONE>;
samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
};
};
&pinctrl_gpio_alive {
key_power: key-power-pins {
samsung,pins = "gpa10-1";
samsung,pin-function = <GS101_PIN_FUNC_EINT>;
samsung,pin-pud = <GS101_PIN_PULL_NONE>;
samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
};
};
&serial_0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_bus>;
status = "okay";
};
&usi_uart {
samsung,clkreq-on; /* needed for UART mode */
status = "okay";
};
&usi8 {
samsung,mode = <USI_V2_I2C>;
status = "okay";
};
&usi12 {
samsung,mode = <USI_V2_I2C>;
status = "okay";
};
&watchdog_cl0 {
timeout-sec = <30>;
status = "okay";
};
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