arch/arm/boot/dts/nxp/mxs/imx28.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/mxs/imx28.dtsi
Extension
.dtsi
Size
33216 bytes
Lines
1345
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+
//
// Copyright 2012 Freescale Semiconductor, Inc.

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

/ {
	#address-cells = <1>;
	#size-cells = <1>;

	interrupt-parent = <&icoll>;
	/*
	 * The decompressor and also some bootloaders rely on a
	 * pre-existing /chosen node to be available to insert the
	 * command line and merge other ATAGS info.
	 */
	chosen {};

	aliases {
		ethernet0 = &mac0;
		ethernet1 = &mac1;
		gpio0 = &gpio0;
		gpio1 = &gpio1;
		gpio2 = &gpio2;
		gpio3 = &gpio3;
		gpio4 = &gpio4;
		saif0 = &saif0;
		saif1 = &saif1;
		serial0 = &auart0;
		serial1 = &auart1;
		serial2 = &auart2;
		serial3 = &auart3;
		serial4 = &auart4;
		spi0 = &ssp1;
		spi1 = &ssp2;
		usbphy0 = &usbphy0;
		usbphy1 = &usbphy1;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			compatible = "arm,arm926ej-s";
			device_type = "cpu";
			reg = <0>;
		};
	};

	apb@80000000 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		reg = <0x80000000 0x80000>;
		ranges;

		apbh-bus@80000000 {
			compatible = "simple-bus";
			#address-cells = <1>;
			#size-cells = <1>;
			reg = <0x80000000 0x3c900>;
			ranges;

			icoll: interrupt-controller@80000000 {
				compatible = "fsl,imx28-icoll", "fsl,icoll";
				interrupt-controller;
				#interrupt-cells = <1>;
				reg = <0x80000000 0x2000>;

Annotation

Implementation Notes