arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
Extension
.dts
Size
18512 bytes
Lines
961
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-only OR BSD-2-Clause)
/*
 * Device Tree Source for the R-Car V4H ES3.0 Sparrow Hawk board
 *
 * Copyright (C) 2025 Marek Vasut <marek.vasut+renesas@mailbox.org>
 */
/*
 * DA7212 Codec settings
 *
 * for Playback
 *	> amixer set "Headphone" 40%
 *	> amixer set "Headphone" on
 *	> amixer set "Mixout Left DAC Left"  on
 *	> amixer set "Mixout Right DAC Right" on
 *	> aplay xxx.wav
 *
 * for Capture (Aux/Mic)
 *
 *		on/off (B)
 *	CONN3 (HeadSet) ---+----> MSIOF1
 *			   |
 *	CONN4 AUX ---------+ on/off (A)
 *
 *	> amixer set "Mixin PGA" on
 *	> amixer set "Mixin PGA" 50%
 *	> amixer set "ADC" on
 *	> amixer set "ADC" 80%
 *	> amixer set "Aux" on				^
 *	> amixer set "Aux" 80%				| (A)
 *	> amixer set "Mixin Left Aux Left" on		|
 *	> amixer set "Mixin Right Aux Right" on		v
 *	> amixer set "Mic 1" on				^
 *	> amixer set "Mic 1" 80%			| (B)
 *	> amixer set "Mixin Left Mic 1" on		|
 *	> amixer set "Mixin Right Mic 1" on		v
 *	> arecord -f cd xxx.wav
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/thermal/thermal.h>

#include "r8a779g3.dtsi"

/ {
	model = "Retronix Sparrow Hawk board based on r8a779g3";
	compatible = "retronix,sparrow-hawk", "renesas,r8a779g3",
		     "renesas,r8a779g0";

	aliases {
		ethernet0 = &avb0;
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		i2c3 = &i2c3;
		i2c4 = &i2c4;
		i2c5 = &i2c5;
		serial0 = &hscif0;
		serial1 = &hscif1;
		serial2 = &hscif3;
		spi0 = &rpc;
	};

	chosen {
		bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
		stdout-path = "serial0:921600n8";
	};

	/* Page 31 / FAN */
	fan: pwm-fan {

Annotation

Implementation Notes