arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/r9a08g046l48-smarc.dts
Extension
.dts
Size
3350 bytes
Lines
166
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 RZ/G3L SMARC EVK board
 *
 * Copyright (C) 2026 Renesas Electronics Corp.
 */

/dts-v1/;

/* Switch selection settings */
#define RZ_BOOT_MODE3		1
#define SW_SD2_EN		0
#define SW_DPI_EN		0
#define SW_GPIO4		1
#define SW_I3C_EN		0

#define PMOD_GPIO4		0
#define PMOD_GPIO6		0
#define PMOD_GPIO7		0

#define KEY_1_GPIO		RZG3L_GPIO(J, 3)
#define KEY_2_GPIO		RZG3L_GPIO(6, 4)
#define KEY_3_GPIO		RZG3L_GPIO(6, 5)

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/renesas,r9a08g046-pinctrl.h>
#include "r9a08g046l48.dtsi"
#include "rzg3l-smarc-som.dtsi"
#include "renesas-smarc2.dtsi"

/ {
	model = "Renesas SMARC EVK version 2 based on r9a08g046l48";
	compatible = "renesas,smarc2-evk", "renesas,rzg3l-smarcm",
		     "renesas,r9a08g046l48", "renesas,r9a08g046";

	aliases {
		i2c2 = &i2c2;
		i2c3 = &i2c3;
		serial3 = &scif0;
	};

#if !SW_SD2_EN && !SW_I3C_EN
	snd_rzg3l: sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "snd_rzg3l";
		#address-cells = <1>;
		#size-cells = <0>;

		ssi_link_play: simple-audio-card,dai-link@0 {
			reg = <0>;
			format = "i2s";
			bitclock-master = <&cpu_dai>;
			frame-master = <&cpu_dai>;
			mclk-fs = <256>;

			cpu_dai: cpu {
				sound-dai = <&ssi0>;
			};

			codec_dai: codec {
				sound-dai = <&da7212>;
				clocks = <&versa3 1>;
			};
		};
	};
#endif
};

&i2c2 {

Annotation

Implementation Notes