boards/st/nucleo_c092rc/nucleo_c092rc.dts

/*
 * Copyright (c) 2024 STMicroelectronics
 * Copyright (c) 2025 Thomas Stranger
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;
#include <st/c0/stm32c092Xc.dtsi>
#include <st/c0/stm32c092rctx-pinctrl.dtsi>
#include "arduino_r3_connector.dtsi"
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
	model = "STMicroelectronics STM32C092RC-NUCLEO board";
	compatible = "st,stm32c092rc-nucleo";

	chosen {
		zephyr,console = &usart2;
		zephyr,shell-uart = &usart2;
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,canbus = &fdcan1;
	};

	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_LOW>;
			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 | GPIO_PULL_UP)>;
			status = "okay";
			zephyr,code = <INPUT_KEY_0>;
		};
	};

	transceiver0: can-phy0 {
		compatible = "microchip,mcp2562fd", "can-transceiver-gpio";
		standby-gpios = <&gpiod 2 GPIO_ACTIVE_HIGH>;
		max-bitrate = <5000000>;
		#phy-cells = <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;
	};
};

&pwr {
	wkup-pin@2 {
		reg = <0x2>;
		wkup-gpios = <&gpioc 13 STM32_PWR_WKUP_PIN_NOT_MUXED>;
	};

	wkup-pin@5 {
		reg = <0x5>;
		wkup-gpios = <&gpioc 5 STM32_PWR_WKUP_PIN_NOT_MUXED>;
	};

	wkup-pin@6 {
		reg = <0x6>;
		wkup-gpios = <&gpiob 5 STM32_PWR_WKUP_PIN_NOT_MUXED>;
	};
};

&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(APB1, 10)>,
		 <&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>;
};

&spi1 {
	/* Note: PA5 is shared with green led0 */
	pinctrl-0 = <&spi1_nss_pa15 &spi1_sck_pa5
		     &spi1_miso_pa6 &spi1_mosi_pa7>;
	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, 20)>,
		 <&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";
};

/* Make sure SB11, SB12, and SB13 are closed (default configuration).
 * Close JP9 to enable 120 Ohm termination on the board.
 */
&fdcan1 {
	clocks = <&rcc STM32_CLOCK(APB1, 12)>,
		 <&rcc STM32_SRC_HSE FDCAN_SEL(2)>;
	pinctrl-0 = <&fdcan1_rx_pd0 &fdcan1_tx_pd1>;
	pinctrl-names = "default";
	phys = <&transceiver0>;
	status = "okay";
};