boards/wch/ch32v003evt/ch32v003evt.dts

/*
 * Copyright (c) 2024 Michael Hope <michaelh@juju.nz>
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;

#include <wch/ch32v0/ch32v003f4p.dtsi>
#include "ch32v003evt-pinctrl.dtsi"
#include <zephyr/dt-bindings/pwm/pwm.h>

#include <zephyr/dt-bindings/gpio/gpio.h>
#include <zephyr/dt-bindings/i2c/i2c.h>

/ {
	model = "ch32v003evt";
	compatible = "wch,ch32v003";

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,console = &usart1;
		zephyr,shell-uart = &usart1;
	};

	leds {
		compatible = "gpio-leds";

		/*
		 * Please connect the unconnected LED on the WCH CH32V003EVT
		 * board to a suitable GPIO pin (like PD4) and then change
		 * this status to "okay".
		 */
		status = "disabled";

		red_led: led0 {
			gpios = <&gpiod 4 GPIO_ACTIVE_HIGH>;
		};
	};

	pwmleds: pwmleds {
		compatible = "pwm-leds";
		status = "disabled";

		red_pwm: red_pwm0 {
			pwms = <&pwm2 0 PWM_MSEC(20) PWM_POLARITY_INVERTED>;
			label = "Red LED";
		};
	};

	aliases {
		led0 = &red_led;
		pwm-led0 = &red_pwm;
	};
};

&clk_hse {
	clock-frequency = <DT_FREQ_M(24)>;
	status = "okay";
};

&pll {
	clocks = <&clk_hse>;
	status = "okay";
};

&rcc {
	clocks = <&pll>;
};

&exti {
	status = "okay";
};

&gpioc {
	status = "okay";
};

&gpiod {
	status = "okay";
};

&i2c1 {
	status = "okay";
	clock-frequency = <I2C_BITRATE_STANDARD>;
	pinctrl-0 = <&i2c1_default>;
	pinctrl-names = "default";
};

&usart1 {
	status = "okay";
	current-speed = <115200>;
	pinctrl-0 = <&usart1_default>;
	pinctrl-names = "default";
};