boards/st/stm32f411e_disco/stm32f411e_disco.dts

/*
 * Copyright (c) 2017 Fenix Engineering Solutions
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f4/stm32f411Xe.dtsi>
#include <st/f4/stm32f411v(c-e)tx-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "STMicroelectronics STM32F411E-DISCO board";
	compatible = "st,stm32f411e-disco";

	chosen {
		zephyr,console = &usart2;
		zephyr,shell-uart = &usart2;
		zephyr,uart-mcumgr = &usart2;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,code-partition = &slot0_partition;
	};

	leds {
		compatible = "gpio-leds";
		orange_led_3: led_3 {
			gpios = <&gpiod 13 GPIO_ACTIVE_HIGH>;
			label = "User LD3";
		};
		green_led_4: led_4 {
			gpios = <&gpiod 12 GPIO_ACTIVE_HIGH>;
			label = "User LD4";
		};
		red_led_5: led_5 {
			gpios = <&gpiod 14 GPIO_ACTIVE_HIGH>;
			label = "User LD5";
		};
		blue_led_6: led_6 {
			gpios = <&gpiod 15 GPIO_ACTIVE_HIGH>;
			label = "User LD6";
		};
	};

	pwmleds {
		compatible = "pwm-leds";
		green_pwm_led: green_pwm_led {
			pwms = <&pwm4 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
		orange_pwm_led: orange_pwm_led {
			pwms = <&pwm4 2 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
		red_pwm_led: red_pwm_led {
			pwms = <&pwm4 3 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
		blue_pwm_led: blue_pwm_led {
			pwms = <&pwm4 4 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "User";
			gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	aliases {
		led0 = &orange_led_3;
		led1 = &green_led_4;
		led2 = &red_led_5;
		led3 = &blue_led_6;
		sw0 = &user_button;
		pwm-led0 = &green_pwm_led;
		pwm-led1 = &orange_pwm_led;
		pwm-led2 = &red_pwm_led;
		pwm-led3 = &blue_pwm_led;
		magn0 = &lsm303agr_magn;
		accel0 = &lsm303agr_accel;
		mcuboot-button0 = &user_button;
		mcuboot-led0 = &orange_led_3;
	};
};

&clk_lsi {
	status = "okay";
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(8)>;
	status = "okay";
};

&pll {
	div-m = <4>;
	mul-n = <96>;
	div-p = <2>;
	div-q = <4>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(96)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <2>;
	apb2-prescaler = <1>;
};

&timers4 {
	st,prescaler = <10000>;
	status = "okay";

	pwm4: pwm {
		status = "okay";
		pinctrl-0 = <&tim4_ch1_pd12
			     &tim4_ch2_pd13
			     &tim4_ch3_pd14
			     &tim4_ch4_pd15>;
		pinctrl-names = "default";
	};
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb9>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;

	lsm303agr_magn: lsm303agr-magn@1e {
		compatible = "st,lis2mdl", "st,lsm303agr-magn";
		status = "okay";
		reg = <0x1e>;
		irq-gpios = <&gpioe 2 GPIO_ACTIVE_HIGH>;
	};

	lsm303agr_accel: lsm303agr-accel@19 {
		compatible = "st,lis2dh", "st,lsm303agr-accel";
		status = "okay";
		reg = <0x19>;
		irq-gpios = <&gpioe 4 GPIO_ACTIVE_HIGH>,
			  <&gpioe 5 GPIO_ACTIVE_HIGH>;
	};
};

&usart2 {
	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa3>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

&rtc {
	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x10000000>,
		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;
	status = "okay";
};

zephyr_udc0: &usbotg_fs {
	pinctrl-0 = <&usb_otg_fs_dm_pa11 &usb_otg_fs_dp_pa12>;
	pinctrl-names = "default";
	status = "okay";
};

&flash0 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		boot_partition: partition@0 {
			label = "mcuboot";
			reg = <0x00000000 DT_SIZE_K(64)>;
			read-only;
		};

		slot0_partition: partition@20000 {
			label = "image-0";
			reg = <0x00020000 DT_SIZE_K(128)>;
		};

		slot1_partition: partition@40000 {
			label = "image-1";
			reg = <0x00040000 DT_SIZE_K(128)>;
		};

		scratch_partition: partition@60000 {
			label = "image-scratch";
			reg = <0x00060000 DT_SIZE_K(128)>;
		};
	};
};