boards/arm/nucleo_f042k6/nucleo_f042k6.dts

/*
 * Copyright (c) 2023 STMicroelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/f0/stm32f042X6.dtsi>
#include <st/f0/stm32f042k(4-6)tx-pinctrl.dtsi>

/ {
	model = "STMicroelectronics STM32F042K6-NUCLEO board";
	compatible = "st,stm32f042k6-nucleo";

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

	leds {
		compatible = "gpio-leds";
		green_led_3: led_3 {
			gpios = <&gpiob 3 GPIO_ACTIVE_HIGH>;
			label = "User LD3";
		};
	};

	pwmleds {
		compatible = "pwm-leds";
		green_pwm_led: green_pwm_led {
			pwms = <&pwm3 32 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
	};

	aliases {
		led0 = &green_led_3;
		pwm-led0 = &green_pwm_led;
		volt-sensor0 = &vref;
		volt-sensor1 = &vbat;
	};
};

&clk_lsi {
	status = "okay";
};

&clk_hsi {
	status = "okay";
};

&pll {
	prediv = <1>;
	mul = <6>;
	clocks = <&clk_hsi>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
	clock-frequency = <DT_FREQ_M(48)>;
	ahb-prescaler = <1>;
	apb1-prescaler = <1>;
};

&timers3 {
	status = "okay";

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

&usart2 {
	pinctrl-0 = <&usart2_tx_pa2 &usart2_rx_pa15>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

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

&spi1 {
	pinctrl-0 = <&spi1_sck_pb3 &spi1_miso_pb4 &spi1_mosi_pb5>;
	pinctrl-names = "default";
	cs-gpios = <&gpioa 11 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
	status = "okay";
};

&adc1 {
	pinctrl-0 = <&adc_in0_pa0>;
	pinctrl-names = "default";
	status = "okay";
};

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

&vref {
	status = "okay";
};

&vbat {
	status = "okay";
};