boards/st/nucleo_c071rb/nucleo_c071rb.dts

/*
 * Copyright (c) 2024 STMicroelectronics
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/c0/stm32c071Xb.dtsi>
#include <st/c0/stm32c071rbtx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "STMicroelectronics STM32C071RB-NUCLEO board";
	compatible = "st,stm32c071rb-nucleo";

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

	leds: leds {
		compatible = "gpio-leds";
		green_led_1: led_1 {
			gpios = <&gpioa 5 GPIO_ACTIVE_HIGH>;
			label = "User LD1";
		};

		blue_led: led_2 {
			gpios = <&gpioc 9 GPIO_ACTIVE_HIGH>;
			label = "User LD2";
		};
	};

	pwmleds {
		compatible = "pwm-leds";

		green_pwm_led: green_pwm_led {
			pwms = <&pwm1 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		user_button: button {
			label = "user button";
			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
			status = "okay";
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	aliases {
		led0 = &green_led_1;
		led1 = &blue_led;
		pwm-led0 = &green_pwm_led;
		sw0 = &user_button;
		watchdog0 = &iwdg;
		die-temp0 = &die_temp;
		volt-sensor0 = &vref;
	};
};

&clk_lse {
	status = "okay";
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(48)>;
	status = "okay";
};

&clk_hsi {
	status = "okay";
};

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

&usart1 {
	pinctrl-0 = <&usart1_tx_pb6 &usart1_rx_pb7>;
	pinctrl-names = "default";
	current-speed = <115200>;
	status = "okay";
};

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

&rtc {
	clocks = <&rcc STM32_CLOCK_BUS_APB1 0x00000400>,
		 <&rcc STM32_SRC_LSE RTC_SEL(1)>;
	status = "okay";
};

&iwdg {
	status = "okay";
};

&timers1 {
	st,prescaler = <10000>;
	status = "okay";

	pwm1: pwm {
		pinctrl-0 = <&tim1_ch1_pa5>;
		pinctrl-names = "default";
		status = "okay";
	};
};

&i2c1 {
	pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&i2c2 {
	pinctrl-0 = <&i2c2_scl_pa7 &i2c2_sda_pa6>;
	pinctrl-names = "default";
	status = "okay";
	clock-frequency = <I2C_BITRATE_FAST>;
};

&spi1 {
	pinctrl-0 = <&spi1_nss_pb0 &spi1_sck_pb3
		     &spi1_miso_pb4 &spi1_mosi_pb5>;
	pinctrl-names = "default";
	status = "okay";
};

&adc1 {
	pinctrl-0 = <&adc1_in0_pa0 &adc1_in1_pa1 &adc1_in4_pa4>;
	pinctrl-names = "default";
	st,adc-clock-source = "ASYNC";
	clocks = <&rcc STM32_CLOCK(APB1_2, 20U)>,
		 <&rcc STM32_SRC_HSI ADC_SEL(2)>;
	st,adc-prescaler = <4>;
	status = "okay";
	vref-mv = <3300>;
};

&die_temp {
	status = "okay";
};

&vref {
	status = "okay";
};

&dma1 {
	status = "okay";
};

&dmamux1 {
	status = "okay";
};