Linux preempt-rt

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/*
 * Copyright (c) 2018 AJ Palmer
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f7/stm32f746Xg.dtsi>
#include "arduino_r3_connector.dtsi"

/ {
	model = "STMicroelectronics STM32F746ZG-NUCLEO board";
	compatible = "st,stm32f746zg-nucleo", "st,stm32f746";

	chosen {
		zephyr,console = &usart3;
		zephyr,shell-uart = &usart3;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,dtcm = &dtcm;
		zephyr,can-primary = &can1;
	};

	leds {
		compatible = "gpio-leds";
		green_led: led_0 {
			gpios = <&gpiob 0 GPIO_ACTIVE_HIGH>;
			label = "User LD1";
		};
		blue_led: led_1 {
			gpios = <&gpiob 7 GPIO_ACTIVE_HIGH>;
			label = "User LD2";
		};
		red_led: led_2 {
			gpios = <&gpiob 14 GPIO_ACTIVE_HIGH>;
			label = "User LD3";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button_0 {
			label = "User";
			gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
		};
	};

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

&usart3 {
	current-speed = <115200>;
	status = "okay";
};

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

&usbotg_fs {
	status = "okay";
};

&i2c1 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&timers1 {
	status = "okay";

	pwm1: pwm {
		status = "okay";
	};
};

&spi1 {
	/*
	 * WARNING: The pin PA7 will conflict on selection of SPI_1 and
	 *          ETH_STM32_HAL. See pinmux.c for further details.
	 */
	status = "okay";
};

&iwdg {
	status = "okay";
};

&rtc {
	status = "okay";
};

&can1 {
	bus-speed = <125000>;
	sjw = <1>;
	prop-seg = <0>;
	phase-seg1 = <6>;
	phase-seg2 = <5>;
	status = "okay";
};

&adc1 {
	status = "okay";
};

&rng {
	status = "okay";
};