Linux preempt-rt

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/*
 * Copyright (c) 2019 Antony Pavlov <antonynpavlov@gmail.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/l1/stm32l152Xe.dtsi>
#include "arduino_r3_connector.dtsi"

/ {
	model = "STMicroelectronics STM32L152RE-NUCLEO board";
	compatible = "st,stm32l152re-nucleo", "st,stm32l152";

	chosen {
		zephyr,console = &usart2;
		zephyr,shell-uart = &usart2;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
	};

	leds {
		compatible = "gpio-leds";
		green_led_0: led_0 {
			gpios = <&gpioa 5 GPIO_ACTIVE_LOW>;
			label = "User LD2";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
		};
	};

	aliases {
		led0 = &green_led_0;
		sw0 = &user_button;
		eeprom-0 = &eeprom;
	};
};

&usart2 {
	current-speed = <115200>;
	status = "okay";
};

&i2c1 {
	status = "okay";
};

&eeprom {
	status = "okay";
};

&iwdg {
	status = "okay";
};

&adc1 {
	status = "okay";
};