boards/arm/gd32f450i_eval/gd32f450i_eval.dts

/*
 * Copyright (c) 2021, Teslabs Engineering S.L.
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;

#include <gigadevice/gd32f4xx/gd32f450ik.dtsi>
#include "gd32f450i_eval-pinctrl.dtsi"

/ {
	model = "GigaDevice GD32F450I-EVAL";
	compatible = "gd,gd32f450i-eval";

	chosen {
		zephyr,sram = &sram0;
		zephyr,flash = &flash0;
		zephyr,console = &usart0;
		zephyr,shell-uart = &usart0;
	};

	leds {
		compatible = "gpio-leds";
		led1: led1 {
			gpios = <&gpioe 2 GPIO_ACTIVE_HIGH>;
			label = "LED1";
		};
		led2: led2 {
			gpios = <&gpioe 3 GPIO_ACTIVE_HIGH>;
			label = "LED2";
		};
		led3: led3 {
			gpios = <&gpiof 10 GPIO_ACTIVE_HIGH>;
			label = "LED3";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";
		wakeup_key: wakeup_key {
			label = "WAKEUP_KEY";
			gpios = <&gpioa 0 GPIO_ACTIVE_LOW>;
		};
		tamper_key: tamper_key {
			label = "TAMPER_KEY";
			gpios = <&gpioc 13 GPIO_ACTIVE_LOW>;
		};
		user_key: user_key {
			label = "USER_KEY";
			gpios = <&gpiob 14 GPIO_ACTIVE_LOW>;
		};
	};

	pwmleds {
		compatible = "pwm-leds";

		/* NOTE: bridge TIMER1_CH2 (PB10) and LED1 (PE2) */
		pwm_led: pwm_led {
			pwms = <&pwm1 2 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
		};
	};

	aliases {
		led0 = &led1;
		led1 = &led2;
		sw0 = &user_key;
		pwm-led0 = &pwm_led;
		eeprom-0 = &eeprom0;
		spi-flash0 = &nor_flash;
	};
};

&gpioa {
	status = "okay";
};

&gpiob {
	status = "okay";
};

&gpioc {
	status = "okay";
};

&gpioe {
	status = "okay";
};

&gpiof {
	status = "okay";
};

&gpioi {
	status = "okay";
};

&gpiog {
	status = "okay";
};

&usart0 {
	status = "okay";
	current-speed = <115200>;
	pinctrl-0 = <&usart0_default>;
	pinctrl-names = "default";
};

&adc0 {
	status = "okay";
	pinctrl-0 = <&adc0_default>;
	pinctrl-names = "default";
};

&dac {
	status = "okay";
	pinctrl-0 = <&dac_default>;
	pinctrl-names = "default";
};

&timer1 {
	status = "okay";

	pwm1: pwm {
		status = "okay";
		pinctrl-0 = <&pwm1_default>;
		pinctrl-names = "default";
	};
};

&i2c0 {
	status = "okay";
	pinctrl-0 = <&i2c0_default>;
	pinctrl-names = "default";

	eeprom0: eeprom@50 {
		compatible = "atmel,at24";
		reg = <0x50>;
		status = "okay";
		label = "EEPROM_AT24C02";
		size = <256>;
		pagesize = <8>;
		address-width = <8>;
		timeout = <5>;
	};
};

&spi5 {
	status = "okay";
	pinctrl-0 = <&spi5_default>;
	pinctrl-names = "default";
	cs-gpios = <&gpioi 8 GPIO_ACTIVE_LOW>;

	nor_flash: gd25q16@0 {
		compatible ="jedec,spi-nor";
		size = <0x1000000>;
		label = "GD25Q16";
		reg = <0>;
		spi-max-frequency = <4000000>;
		status = "okay";
		jedec-id = [c8 40 15];
	};
};