arch/arm/boot/dts/nxp/lpc/lpc3250-ea3250.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/lpc/lpc3250-ea3250.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/lpc/lpc3250-ea3250.dts
Extension
.dts
Size
4382 bytes
Lines
274
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-or-later
/*
 * Embedded Artists LPC3250 board
 *
 * Copyright 2012 Roland Stigge <stigge@antcom.de>
 */

/dts-v1/;
#include "lpc32xx.dtsi"

/ {
	model = "Embedded Artists LPC3250 board based on NXP LPC3250";
	compatible = "ea,ea3250", "nxp,lpc3250";

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x4000000>;
	};

	gpio-keys {
		compatible = "gpio-keys";
		autorepeat;

		button {
			label = "Interrupt Key";
			linux,code = <103>;
			gpios = <&gpio 4 1 0>; /* GPI_P3 1 */
		};

		key-1 {
			label = "KEY1";
			linux,code = <1>;
			gpios = <&pca9532 0 0>;
		};

		key-2 {
			label = "KEY2";
			linux,code = <2>;
			gpios = <&pca9532 1 0>;
		};

		key-3 {
			label = "KEY3";
			linux,code = <3>;
			gpios = <&pca9532 2 0>;
		};

		key-4 {
			label = "KEY4";
			linux,code = <4>;
			gpios = <&pca9532 3 0>;
		};

		key-joy0 {
			label = "Joystick Key 0";
			linux,code = <10>;
			gpios = <&gpio 2 0 0>; /* P2.0 */
		};

		key-joy1 {
			label = "Joystick Key 1";
			linux,code = <11>;
			gpios = <&gpio 2 1 0>; /* P2.1 */
		};

		key-joy2 {
			label = "Joystick Key 2";
			linux,code = <12>;
			gpios = <&gpio 2 2 0>; /* P2.2 */
		};

Annotation

Implementation Notes