arch/arm/boot/dts/nxp/imx/imx31.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx31.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx31.dtsi
Extension
.dtsi
Size
8669 bytes
Lines
372
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 2016-2018 Vladimir Zapolskiy <vz@mleia.com>
// Copyright 2012 Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	/*
	 * 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 {
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		i2c0 = &i2c1;
		i2c1 = &i2c2;
		i2c2 = &i2c3;
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		serial3 = &uart4;
		serial4 = &uart5;
		spi0 = &spi1;
		spi1 = &spi2;
		spi2 = &spi3;
	};

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

		cpu@0 {
			compatible = "arm,arm1136jf-s";
			device_type = "cpu";
			reg = <0>;
		};
	};

	avic: interrupt-controller@68000000 {
		compatible = "fsl,imx31-avic", "fsl,avic";
		interrupt-controller;
		#interrupt-cells = <1>;
		reg = <0x68000000 0x100000>;
	};

	soc: soc {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "simple-bus";
		interrupt-parent = <&avic>;
		ranges;

		iram: sram@1fffc000 {
			compatible = "mmio-sram";
			reg = <0x1fffc000 0x4000>;
			#address-cells = <1>;
			#size-cells = <1>;
			ranges = <0 0x1fffc000 0x4000>;
		};

		aips1: bus@43f00000 { /* AIPS1 */
			compatible = "fsl,aips-bus", "simple-bus";
			#address-cells = <1>;
			#size-cells = <1>;
			reg = <0x43f00000 0x100000>;

Annotation

Implementation Notes