arch/arm/boot/dts/renesas/r8a77470-iwg23s-sbc.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/renesas/r8a77470-iwg23s-sbc.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/renesas/r8a77470-iwg23s-sbc.dts
Extension
.dts
Size
5242 bytes
Lines
320
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
/*
 * Device Tree Source for the iWave-RZ/G1C single board computer
 *
 * Copyright (C) 2018 Renesas Electronics Corp.
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "r8a77470.dtsi"
/ {
	model = "iWave iW-RainboW-G23S single board computer based on RZ/G1C";
	compatible = "iwave,g23s", "renesas,r8a77470";

	aliases {
		ethernet0 = &avb;
		serial1 = &scif1;
	};

	chosen {
		bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
		stdout-path = "serial1:115200n8";
	};

	hdmi-out {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_con: endpoint {
				remote-endpoint = <&bridge_out>;
			};
		};
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0 0x40000000 0 0x20000000>;
	};

	reg_1p8v: reg-1p8v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-1.8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-boot-on;
		regulator-always-on;
	};

	reg_3p3v: reg-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	vccq_sdhi2: regulator-vccq-sdhi2 {
		compatible = "regulator-gpio";

		regulator-name = "SDHI2 VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;

		gpios = <&gpio2 24 GPIO_ACTIVE_HIGH>;
		gpios-states = <1>;
		states = <3300000 1>, <1800000 0>;
	};
};

Annotation

Implementation Notes