boards/weact/blackpill_h523ce/blackpill_h523ce.dts

/*
 * Copyright (c) 2025 Filip Stojanovic <filipembedded@gmail.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/h5/stm32h523Xe.dtsi>
#include <st/h5/stm32h523retx-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "WeAct Studio Black Pill STM32H523 Board";
	compatible = "weact,blackpill-h523ce";

	chosen {
		zephyr,console = &usart1;
		zephyr,shell-uart = &usart1;
		zephyr,sram = &sram1;
		zephyr,flash = &flash0;
	};

	leds {
		compatible = "gpio-leds";

		user_led: led {
			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
			label = "User LED";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		user_button: button {
			label = "KEY";
			gpios = <&gpioa 0 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	aliases {
		led0 = &user_led;
		sw0 = &user_button;
		volt-sensor0 = &vref;
		volt-sensor1 = &vbat;
	};
};

&timers3 {
	status = "okay";
	st,prescaler = <24>;

	pwm3: pwm {
		status = "okay";
		pinctrl-0 = <&tim3_ch3_pb0 &tim3_ch4_pb1>;
		pinctrl-names = "default";
	};
};

&usart1 {
	pinctrl-0 = <&usart1_tx_pa9 &usart1_rx_pa10>;
	pinctrl-names = "default";
	status = "okay";
	current-speed = <115200>;
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb6 &i2c1_sda_pb7>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&spi1 {
	pinctrl-0 = <&spi1_sck_pa5 &spi1_nss_pa4 &spi1_miso_pa6 &spi1_mosi_pa7>;
	pinctrl-names = "default";
	status = "okay";
};

&rtc {
	clocks = <&rcc STM32_CLOCK(APB3, 21)>, <&rcc STM32_SRC_LSE RTC_SEL(1)>;
	status = "okay";
};

zephyr_udc0: &usb {
	pinctrl-0 = <&usb_dm_pa11 &usb_dp_pa12>;
	pinctrl-names = "default";
	status = "okay";
};

&adc1 {
	clocks = <&rcc STM32_CLOCK(AHB2, 10)>, <&rcc STM32_SRC_HCLK ADCDAC_SEL(0)>;
	pinctrl-0 = <&adc1_inp1_pa1>;
	pinctrl-names = "default";
	st,adc-clock-source = "ASYNC";
	st,adc-prescaler = <8>;
	status = "okay";
};

&clk_lsi {
	status = "okay";
};

&clk_lse {
	status = "okay";
};

&clk_hsi {
	status = "okay";
};

&clk_hsi48 {
	status = "okay";
};

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

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(240)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <1>;
	apb2-prescaler = <1>;
	apb3-prescaler = <1>;
};

&pll {
	div-m = <1>;
	mul-n = <60>;
	div-p = <2>;
	div-q = <2>;
	div-r = <2>;
	clocks = <&clk_hse>;
	status = "okay";
};

&vref {
	status = "okay";
};

&vbat {
	status = "okay";
};

&iwdg {
	status = "okay";
};

&rng {
	status = "okay";
};