arch/arm/boot/dts/nxp/lpc/lpc4357-ea4357-devkit.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/lpc/lpc4357-ea4357-devkit.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/lpc/lpc4357-ea4357-devkit.dts
Extension
.dts
Size
10877 bytes
Lines
625
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 "lpc4357.dtsi"

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

/ {
	model = "Embedded Artists' LPC4357 Developer's Kit";
	compatible = "ea,lpc4357-developers-kit", "nxp,lpc4357", "nxp,lpc4350";

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

	chosen {
		stdout-path = &uart0;
	};

	memory@28000000 {
		device_type = "memory";
		reg = <0x28000000 0x2000000>; /* 32 MB */
	};

	vcc: vcc_fixed {
		compatible = "regulator-fixed";
		regulator-name = "3v3-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	/* vmmc is controlled by sdmmc host internally */
	vmmc: vmmc_fixed {
		compatible = "regulator-fixed";
		regulator-name = "vmmc-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	gpio_joystick {
		compatible = "gpio-keys-polled";
		pinctrl-names = "default";
		pinctrl-0 = <&gpio_joystick_pins>;
		poll-interval = <100>;
		autorepeat;

		button-0 {
			label = "joy_enter";
			linux,code = <KEY_ENTER>;
			gpios = <&gpio LPC_GPIO(4,8) GPIO_ACTIVE_LOW>;
		};

		button-1 {
			label = "joy_left";
			linux,code = <KEY_LEFT>;
			gpios = <&gpio LPC_GPIO(4,9) GPIO_ACTIVE_LOW>;
		};

		button-2 {
			label = "joy_up";
			linux,code = <KEY_UP>;
			gpios = <&gpio LPC_GPIO(4,10) GPIO_ACTIVE_LOW>;
		};

		button-3 {
			label = "joy_right";

Annotation

Implementation Notes