arch/arm/boot/dts/nxp/mxs/imx28-apf28dev.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx28-apf28dev.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28-apf28dev.dts
Extension
.dts
Size
4085 bytes
Lines
210
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 2012 Armadeus Systems - <support@armadeus.com>
 */

/* APF28Dev is a docking board for the APF28 SOM */
#include "imx28-apf28.dts"

/ {
	model = "Armadeus Systems APF28Dev docking/development board";
	compatible = "armadeus,imx28-apf28dev", "armadeus,imx28-apf28", "fsl,imx28";

	reg_usb0_vbus: regulator-0 {
		compatible = "regulator-fixed";
		regulator-name = "usb0_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio1 23 1>;
		enable-active-high;
	};

	reg_can0_vcc: regulator-1 {
		compatible = "regulator-fixed";
		regulator-name = "can0_vcc";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	leds {
		compatible = "gpio-leds";

		led-user {
			label = "Heartbeat";
			gpios = <&gpio0 21 0>;
			linux,default-trigger = "heartbeat";
		};
	};

	backlight {
		compatible = "pwm-backlight";

		pwms = <&pwm 3 191000 0>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <6>;
	};

	gpio-keys {
		compatible = "gpio-keys";

		user-button {
			label = "User button";
			gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
			linux,code = <0x100>;
			wakeup-source;
		};
	};
};

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

&can0 {
	pinctrl-names = "default";
	pinctrl-0 = <&can0_pins_a>;
	xceiver-supply = <&reg_can0_vcc>;
	status = "okay";

Annotation

Implementation Notes