arch/arm/boot/dts/nxp/mxs/imx28-m28cu3.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx28-m28cu3.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28-m28cu3.dts
Extension
.dts
Size
4817 bytes
Lines
249
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 (C) 2013 Marek Vasut <marex@denx.de>
 */

/dts-v1/;
#include "imx28.dtsi"

/ {
	model = "MSR M28CU3";
	compatible = "msr,m28cu3", "fsl,imx28";

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x08000000>;
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 3 5000000 0>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <6>;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_pins_gpio>;

		led-user1 {
			label = "sd0-led";
			gpios = <&gpio2 26 0>;
			linux,default-trigger = "mmc0";
		};

		led-user2 {
			label = "sd1-led";
			gpios = <&gpio2 24 0>;
			linux,default-trigger = "mmc2";
		};
	};

	reg_3p3v: regulator-0 {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	reg_vddio_sd0: regulator-1 {
		compatible = "regulator-fixed";
		regulator-name = "vddio-sd0";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio3 29 0>;
	};

	reg_vddio_sd1: regulator-2 {
		compatible = "regulator-fixed";
		regulator-name = "vddio-sd1";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 19 0>;
	};

	reg_usb1_vbus: regulator-3 {
		compatible = "regulator-fixed";
		regulator-name = "usb1_vbus";
		regulator-min-microvolt = <5000000>;

Annotation

Implementation Notes