arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts

/dts-v1/;
#include "bcm2837.dtsi"
#include "bcm2835-rpi.dtsi"
#include "bcm283x-rpi-smsc9514.dtsi"

/ {
	compatible = "raspberrypi,3-model-b", "brcm,bcm2837";
	model = "Raspberry Pi 3 Model B";

	memory {
		reg = <0 0x40000000>;
	};

	leds {
		act {
			gpios = <&gpio 47 0>;
		};

		pwr {
			label = "PWR";
			gpios = <&gpio 35 0>;
			default-state = "keep";
			linux,default-trigger = "default-on";
		};
	};
};

&uart1 {
	status = "okay";
};