arch/arm/boot/dts/renesas/r8a7778-bockw.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/renesas/r8a7778-bockw.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/renesas/r8a7778-bockw.dts
Extension
.dts
Size
4574 bytes
Lines
263
Domain
Architecture Layer
Bucket
arch/arm
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
/*
 * Reference Device Tree Source for the R-Car M1A (R8A77781) Bock-W board
 *
 * Copyright (C) 2013  Renesas Solutions Corp.
 * Copyright (C) 2013  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 *
 * based on r8a7779
 *
 * Copyright (C) 2013 Renesas Solutions Corp.
 * Copyright (C) 2013 Simon Horman
 */

/dts-v1/;
#include "r8a7778.dtsi"
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	model = "bockw";
	compatible = "renesas,bockw", "renesas,r8a7778";

	aliases {
		serial0 = &scif0;
	};

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

	memory@60000000 {
		device_type = "memory";
		reg = <0x60000000 0x10000000>;
	};

	fixedregulator3v3: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	sound {
		compatible = "simple-audio-card";

		simple-audio-card,format = "left_j";
		simple-audio-card,bitclock-master = <&sndcodec>;
		simple-audio-card,frame-master = <&sndcodec>;

		sndcpu: simple-audio-card,cpu {
			sound-dai = <&rcar_sound>;
		};

		sndcodec: simple-audio-card,codec {
			sound-dai = <&ak4643>;
			system-clock-frequency = <11289600>;
		};
	};
};

&lbsc {
	flash@0 {
		compatible = "cfi-flash";
		reg = <0x0 0x04000000>;
		pinctrl-0 = <&flash_pins>;
		pinctrl-names = "default";
		bank-width = <2>;

Annotation

Implementation Notes