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

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/ebisu.dtsi
Extension
.dtsi
Size
17344 bytes
Lines
936
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 Ebisu/Ebisu-4D board
 *
 * Copyright (C) 2018 Renesas Electronics Corp.
 */

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

/ {
	model = "Renesas Ebisu board";
	compatible = "renesas,ebisu";

	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		i2c3 = &i2c3;
		i2c4 = &i2c4;
		i2c5 = &i2c5;
		i2c6 = &i2c6;
		i2c7 = &i2c7;
		serial0 = &scif2;
		ethernet0 = &avb;
		mmc0 = &sdhi3;
		mmc1 = &sdhi0;
		mmc2 = &sdhi1;
	};

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

	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 = <11289600>;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm3 0 50000>;

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

		power-supply = <&reg_12p0v>;
	};

	pcie_usb_refclk: clk-x7 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
	};

	cvbs-in {
		compatible = "composite-video-connector";
		label = "CVBS IN";

		port {
			cvbs_con: endpoint {
				remote-endpoint = <&adv7482_ain7>;
			};
		};

Annotation

Implementation Notes