boards/arm64/rpi_4b/rpi_4b.dts

/*
 * Copyright 2023 honglin leng <a909204013@gmail.com>
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/dts-v1/;

#include <broadcom/bcm2711.dtsi>
#include <zephyr/dt-bindings/gpio/gpio.h>

/ {
	model = "Raspberry Pi 4 Model B";
	compatible = "raspberrypi,4-model-b", "brcm,bcm2838";
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		led0 = &led_act;
	};

	chosen {
		zephyr,console = &uart1;
		zephyr,shell-uart = &uart1;
		zephyr,sram = &sram0;
	};

	leds {
		compatible = "gpio-leds";

		led_act: led-act {
			gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>; /* GPIO 42 */
			label = "ACT";
		};
	};
};

&gpio1 {
	status = "okay";
};

&uart1 {
	status = "okay";
	current-speed = <115200>;
};