arch/arm/boot/dts/renesas/emev2-kzm9d.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/renesas/emev2-kzm9d.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/renesas/emev2-kzm9d.dts
Extension
.dts
Size
2241 bytes
Lines
115
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 KZM9D board
 *
 * Copyright (C) 2013 Renesas Solutions Corp.
 */
/dts-v1/;

#include "emev2.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	model = "EMEV2 KZM9D Board";
	compatible = "renesas,kzm9d", "renesas,emev2";

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x8000000>;
	};

	aliases {
		serial1 = &uart1;
	};

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

	gpio_keys {
		compatible = "gpio-keys";
		key-1 {
			debounce-interval = <50>;
			wakeup-source;
			label = "DSW2-1";
			linux,code = <KEY_1>;
			gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
		};
		key-2 {
			debounce-interval = <50>;
			wakeup-source;
			label = "DSW2-2";
			linux,code = <KEY_2>;
			gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
		};
		key-3 {
			debounce-interval = <50>;
			wakeup-source;
			label = "DSW2-3";
			linux,code = <KEY_3>;
			gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
		};
		key-4 {
			debounce-interval = <50>;
			wakeup-source;
			label = "DSW2-4";
			linux,code = <KEY_4>;
			gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
		};
	};

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

Annotation

Implementation Notes