Linux preempt-rt

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/*
 * Copyright (c) 2018 Aurelien Jarno
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f7/stm32f723Xe.dtsi>

/ {
	model = "STMicroelectronics STM32F723E DISCOVERY board";
	compatible = "st,stm32f723e-disco", "st,stm32f723";

	chosen {
		zephyr,console = &usart6;
		zephyr,shell-uart = &usart6;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
	};

	leds {
		compatible = "gpio-leds";
		blue_led: led_1 {
			gpios = <&gpioa 5 GPIO_INT_ACTIVE_HIGH>;
			label = "User LD1";
		};
		red_led: led_2 {
			gpios = <&gpioa 7 GPIO_INT_ACTIVE_HIGH>;
			label = "User LD5";
		};
		green_led: led_3 {
			gpios = <&gpiob 1 GPIO_INT_ACTIVE_HIGH>;
			label = "User LD6";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "User";
			gpios = <&gpioa 0 GPIO_INT_ACTIVE_HIGH>;
		};
	};

	aliases {
		led0 = &blue_led;
		led1 = &red_led;
		led2 = &green_led;
		sw0 = &user_button;
	};
};

arduino_i2c: &i2c2 {};
arduino_spi: &spi1 {};
arduino_serial: &usart2 {};

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

&usart6 {
	current-speed = <115200>;
	status = "okay";
};


&i2c1 {
	status = "okay";
};

&i2c2 {
	status = "okay";
};

&i2c3 {
	status = "okay";
};

&spi1 {
	status = "okay";
};

&usbotg_fs {
	status = "okay";
};