boards/arm/nucleo_f446re/nucleo_f446re.dts

/*
 * Copyright (c) 2018 Philémon Jaermann
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f4/stm32f446Xe.dtsi>
#include "arduino_r3_connector.dtsi"

/ {
	model = "STMicroelectronics STM32F446RE-NUCLEO board";
	compatible = "st,stm32f446re-nucleo", "st,stm32f446";

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

	leds {
		compatible = "gpio-leds";
		green_led_2: led_2 {
			gpios = <&gpioa 5 GPIO_INT_ACTIVE_HIGH>;
			label = "User LD2";
		};
	};

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

	aliases {
		led0 = &green_led_2;
		sw0 = &user_button;
	};
};

&usart1 {
	current-speed = <115200>;
	pinctrl-0 = <&usart1_pins_a>;
	pinctrl-names = "default";
	status = "okay";
};

&usart2 {
	current-speed = <115200>;
	pinctrl-0 = <&usart2_pins_a>;
	pinctrl-names = "default";
	status = "okay";
};

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

&i2c2 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&i2c3 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&spi1 {
	status = "okay";
};

&rtc {
	status = "okay";
};

&flash0 {
	/*
	 * For more information, see:
	 * http://docs.zephyrproject.org/latest/guides/dts/index.html#flash-partitions
	 */
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 0x00010000>;
			read-only;
		};

		/*
		 * The flash starting at 0x00010000 and ending at
		 * 0x0001ffff (sectors 16-31) is reserved for use
		 * by the application.
		 */
		storage_partition: partition@10000 {
			label = "storage";
			reg = <0x00010000 0x00010000>;
		};

		slot0_partition: partition@20000 {
			label = "image-0";
			reg = <0x00020000 0x00020000>;
		};
		slot1_partition: partition@40000 {
			label = "image-1";
			reg = <0x00040000 0x00020000>;
		};
		scratch_partition: partition@60000 {
			label = "image-scratch";
			reg = <0x00060000 0x00020000>;
		};
	};
};