arch/arm/boot/dts/nxp/mxs/imx28-eukrea-mbmx28lc.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx28-eukrea-mbmx28lc.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28-eukrea-mbmx28lc.dtsi
Extension
.dtsi
Size
6677 bytes
Lines
314
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
/*
 * Copyright 2013 Eukréa Electromatique <eric@eukrea.com>
 * Copyright 2013 Eukréa Electromatique <denis@eukrea.com>
 */

#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
#include "imx28.dtsi"

/ {
	model = "Eukrea Electromatique MBMX28LC";
	compatible = "eukrea,mbmx28lc", "fsl,imx28";

	backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 4 1000000 0>;
		brightness-levels = <0 25 50 75 100 125 150 175 200 225 255>;
		default-brightness-level = <10>;
	};

	gpio-keys-0 {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&gpio_button_sw3_pins_mbmx28lc>;

		switch-sw3 {
			label = "SW3";
			gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;
			linux,code = <BTN_MISC>;
			wakeup-source;
		};
	};

	gpio-keys-1 {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&gpio_button_sw4_pins_mbmx28lc>;

		switch-sw4 {
			label = "SW4";
			gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;
			linux,code = <BTN_MISC>;
			wakeup-source;
		};
	};

	led-d6 {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_d6_pins_mbmx28lc>;

		led1 {
			label = "d6";
			gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};
	};

	led-d7 {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_d7_pins_mbmx28lc>;

		led1 {
			label = "d7";
			gpios = <&gpio1 22 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "default-on";
		};
	};

Annotation

Implementation Notes