arch/arm/boot/dts/nxp/mxs/imx28-m28evk.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx28-m28evk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28-m28evk.dts
Extension
.dts
Size
4786 bytes
Lines
259
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) 2012 Marek Vasut <marex@denx.de>
 */

/dts-v1/;
#include "imx28-m28.dtsi"

/ {
	model = "Aries/DENX M28EVK";
	compatible = "aries,m28evk", "denx,m28evk", "fsl,imx28";

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

	reg_vddio_sd0: regulator-1 {
		compatible = "regulator-fixed";
		regulator-name = "vddio-sd0";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio3 28 0>;
	};

	reg_usb0_vbus: regulator-2 {
		compatible = "regulator-fixed";
		regulator-name = "usb0_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio3 12 0>;
	};

	reg_usb1_vbus: regulator-3 {
		compatible = "regulator-fixed";
		regulator-name = "usb1_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio3 13 0>;
	};

	sound {
		compatible = "denx,m28evk-sgtl5000",
			     "fsl,mxs-audio-sgtl5000";
		model = "m28evk-sgtl5000";
		saif-controllers = <&saif0 &saif1>;
		audio-codec = <&sgtl5000>;
	};
};

&auart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart0_pins_a>;
	status = "okay";
};

&auart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart1_pins_a>;
	status = "okay";
};

&auart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart2_2pins_b>;
	status = "okay";
};

Annotation

Implementation Notes