arch/arm64/boot/dts/renesas/draak.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/renesas/draak.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/draak.dtsi
Extension
.dtsi
Size
13640 bytes
Lines
757
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * Device Tree Source for the Draak board
 *
 * Copyright (C) 2016-2018 Renesas Electronics Corp.
 * Copyright (C) 2017 Glider bvba
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	model = "Renesas Draak board";
	compatible = "renesas,draak";

	aliases {
		serial0 = &scif2;
		ethernet0 = &avb;
	};

	audio_clkout: audio-clkout {
		/*
		 * This is same as <&rcar_sound 0>
		 * but needed to avoid cs2000/rcar_sound probe dead-lock
		 */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <12288000>;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm1 0 50000>;

		brightness-levels = <512 511 505 494 473 440 392 327 241 133 0>;
		default-brightness-level = <10>;

		power-supply = <&reg_12p0v>;
		enable-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
	};

	chosen {
		bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
		stdout-path = "serial0:115200n8";
	};

	composite-in {
		compatible = "composite-video-connector";

		port {
			composite_con_in: endpoint {
				remote-endpoint = <&adv7180_in>;
			};
		};
	};

	hdmi-in {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_con_in: endpoint {
				remote-endpoint = <&adv7612_in>;
			};
		};
	};

	hdmi-out {
		compatible = "hdmi-connector";
		type = "a";

Annotation

Implementation Notes