arch/arm/boot/dts/nxp/lpc/lpc4350-hitex-eval.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/lpc/lpc4350-hitex-eval.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/lpc/lpc4350-hitex-eval.dts
Extension
.dts
Size
8777 bytes
Lines
486
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

/dts-v1/;

#include "lpc18xx.dtsi"
#include "lpc4350.dtsi"

#include "dt-bindings/input/input.h"
#include "dt-bindings/gpio/gpio.h"

/ {
	model = "Hitex LPC4350 Evaluation Board";
	compatible = "hitex,lpc4350-eval-board", "nxp,lpc4350";

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
	};

	chosen {
		stdout-path = &uart0;
	};

	memory@28000000 {
		device_type = "memory";
		reg = <0x28000000 0x800000>; /* 8 MB */
	};

	pca_buttons {
		compatible = "gpio-keys-polled";
		poll-interval = <100>;
		autorepeat;

		button-0 {
			label = "joy:right";
			linux,code = <KEY_RIGHT>;
			gpios = <&pca_gpio 8 GPIO_ACTIVE_LOW>;
		};

		button-1 {
			label = "joy:up";
			linux,code = <KEY_UP>;
			gpios = <&pca_gpio 9 GPIO_ACTIVE_LOW>;
		};


		button-2 {
			label = "joy:enter";
			linux,code = <KEY_ENTER>;
			gpios = <&pca_gpio 10 GPIO_ACTIVE_LOW>;
		};

		button-3 {
			label = "joy:left";
			linux,code = <KEY_LEFT>;
			gpios = <&pca_gpio 11 GPIO_ACTIVE_LOW>;
		};

		button-4 {
			label = "joy:down";
			linux,code = <KEY_DOWN>;
			gpios = <&pca_gpio 12 GPIO_ACTIVE_LOW>;
		};

		button-5 {
			label = "user:sw3";
			linux,code = <KEY_F1>;
			gpios = <&pca_gpio 13 GPIO_ACTIVE_LOW>;
		};

Annotation

Implementation Notes