arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts
Extension
.dts
Size
6848 bytes
Lines
381
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 armadillo 800 eva board
 *
 * Copyright (C) 2012 Renesas Solutions Corp.
 */

/dts-v1/;
#include "r8a7740.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pwm/pwm.h>

/ {
	model = "armadillo 800 eva";
	compatible = "renesas,armadillo800eva", "renesas,r8a7740";

	aliases {
		serial0 = &scifa1;
	};

	chosen {
		bootargs = "earlyprintk ignore_loglevel root=/dev/nfs ip=on rw";
		stdout-path = "serial0:115200n8";
	};

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

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

	vcc_sdhi0: regulator-vcc-sdhi0 {
		compatible = "regulator-fixed";

		regulator-name = "SDHI0 Vcc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;

		gpio = <&pfc 75 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	vccq_sdhi0: regulator-vccq-sdhi0 {
		compatible = "regulator-gpio";

		regulator-name = "SDHI0 VccQ";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vcc_sdhi0>;

		enable-gpios = <&pfc 74 GPIO_ACTIVE_HIGH>;
		gpios = <&pfc 17 GPIO_ACTIVE_HIGH>;
		states = <3300000 0>, <1800000 1>;

		enable-active-high;
	};

	vcc_sdhi1: regulator-vcc-sdhi1 {
		compatible = "regulator-fixed";

Annotation

Implementation Notes