arch/arm64/boot/dts/renesas/salvator-common.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/salvator-common.dtsi
Extension
.dtsi
Size
19822 bytes
Lines
1136
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 common parts of Salvator-X board variants
 *
 * Copyright (C) 2015-2016 Renesas Electronics Corp.
 */

/*
 * SSI-AK4613
 *
 * This command is required when Playback/Capture
 *
 *	amixer set "DVC Out" 100%
 *	amixer set "DVC In" 100%
 *
 * You can use Mute
 *
 *	amixer set "DVC Out Mute" on
 *	amixer set "DVC In Mute" on
 *
 * You can use Volume Ramp
 *
 *	amixer set "DVC Out Ramp Up Rate"   "0.125 dB/64 steps"
 *	amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
 *	amixer set "DVC Out Ramp" on
 *	aplay xxx.wav &
 *	amixer set "DVC Out"  80%  // Volume Down
 *	amixer set "DVC Out" 100%  // Volume Up
 */

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

/ {
	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		i2c3 = &i2c3;
		i2c4 = &i2c4;
		i2c5 = &i2c5;
		i2c6 = &i2c6;
		i2c7 = &i2c_dvfs;
		serial0 = &scif2;
		serial1 = &hscif1;
		ethernet0 = &avb;
		mmc0 = &sdhi2;
		mmc1 = &sdhi0;
		mmc2 = &sdhi3;
	};

	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 = <12288000>;
	};

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

Annotation

Implementation Notes