arch/arm64/boot/dts/renesas/r9a09g057h48-kakip.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/renesas/r9a09g057h48-kakip.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/r9a09g057h48-kakip.dts
Extension
.dts
Size
3130 bytes
Lines
176
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 Yuridenki-Shokai Kakip board
 *
 * Copyright (C) 2024 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
 */

/dts-v1/;

#include <dt-bindings/pinctrl/renesas,r9a09g057-pinctrl.h>
#include <dt-bindings/gpio/gpio.h>
#include "r9a09g057.dtsi"

/ {
	model = "Yuridenki-Shokai Kakip Board based on r9a09g057h48";
	compatible = "yuridenki,kakip", "renesas,r9a09g057h48", "renesas,r9a09g057";

	aliases {
		serial0 = &scif;
		mmc0 = &sdhi0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory@48000000 {
		device_type = "memory";
		/* first 128MB is reserved for secure area. */
		reg = <0x0 0x48000000 0x1 0xf8000000>;
	};

	reg_1p8v: regulator-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: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	vqmmc_sdhi0: regulator-vccq-sdhi0 {
		compatible = "regulator-gpio";
		regulator-name = "SDHI0 VccQ";
		gpios = <&pinctrl RZV2H_GPIO(A, 0) GPIO_ACTIVE_HIGH>;
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		gpios-states = <0>;
		states = <3300000 0>, <1800000 1>;
	};
};

&ostm0 {
	status = "okay";
};

&ostm1 {
	status = "okay";
};

&ostm2 {

Annotation

Implementation Notes