1/* 2 * Copyright 2023 honglin leng <a909204013@gmail.com> 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7/dts-v1/; 8 9#include <broadcom/bcm2711.dtsi> 10#include <zephyr/dt-bindings/gpio/gpio.h> 11 12/ { 13 model = "Raspberry Pi 4 Model B"; 14 compatible = "raspberrypi,4-model-b", "brcm,bcm2838"; 15 #address-cells = <1>; 16 #size-cells = <1>; 17 18 aliases { 19 led0 = &led_act; 20 }; 21 22 chosen { 23 zephyr,console = &uart1; 24 zephyr,shell-uart = &uart1; 25 zephyr,sram = &sram0; 26 }; 27 28 leds { 29 compatible = "gpio-leds"; 30 31 led_act: led-act { 32 gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>; /* GPIO 42 */ 33 label = "ACT"; 34 }; 35 }; 36}; 37 38&gpio1 { 39 status = "okay"; 40}; 41 42&uart1 { 43 status = "okay"; 44 current-speed = <115200>; 45}; 46