arch/arm/boot/dts/nxp/mxs/imx28-apx4devkit.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/mxs/imx28-apx4devkit.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28-apx4devkit.dts
Extension
.dts
Size
4385 bytes
Lines
227
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
/dts-v1/;
#include "imx28.dtsi"

/ {
	model = "Bluegiga APX4 Development Kit";
	compatible = "bluegiga,apx4devkit", "fsl,imx28";

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0x04000000>;
	};


	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "3P3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	sound {
		compatible = "bluegiga,apx4devkit-sgtl5000",
			     "fsl,mxs-audio-sgtl5000";
		model = "apx4devkit-sgtl5000";
		saif-controllers = <&saif0 &saif1>;
		audio-codec = <&sgtl5000>;
	};

	leds {
		compatible = "gpio-leds";

		led-user {
			label = "Heartbeat";
			gpios = <&gpio3 28 0>;
			linux,default-trigger = "heartbeat";
		};
	};
};

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

&auart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart1_2pins_a>;
	status = "okay";
};

&auart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart2_2pins_a>;
	status = "okay";
};

&duart {
	pinctrl-names = "default";
	pinctrl-0 = <&duart_pins_a>;
	status = "okay";
};

&gpmi {
	pinctrl-names = "default";
	pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
	status = "okay";
};

Annotation

Implementation Notes