boards/arm/olimex_stm32_h405/olimex_stm32_h405.dts

/*
 * Copyright (c) 2020-2022 Antony Pavlov <antonynpavlov@gmail.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f4/stm32f405Xg.dtsi>
#include <st/f4/stm32f405rgtx-pinctrl.dtsi>

/ {
	model = "Olimex STM32-H405 board";
	compatible = "olimex,stm32-h405", "st,stm32f405";

	chosen {
		zephyr,console = &usart2;
		zephyr,shell-uart = &usart2;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,ccm = &ccm0;
	};

	leds {
		compatible = "gpio-leds";
		green_led_1: led_1 {
			gpios = <&gpioc 12 GPIO_ACTIVE_LOW>;
			label = "LED1";
		};
	};

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

	aliases {
		led0 = &green_led_1;
		sw0 = &user_button;
		watchdog0 = &iwdg;
	};
};

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

&pll {
	div-m = <4>;
	mul-n = <168>;
	div-p = <2>;
	div-q = <7>;
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(168)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <4>;
	apb2-prescaler = <2>;
};

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

&rtc {
	status = "okay";
};

&rng {
	status = "okay";
};

&iwdg {
	status = "okay";
};

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