arch/arm/boot/dts/nxp/imx/imx25.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx25.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx25.dtsi
Extension
.dtsi
Size
14484 bytes
Lines
627
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 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>

#include <dt-bindings/gpio/gpio.h>
#include "imx25-pinfunc.h"

/ {
	#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 {
		ethernet0 = &fec;
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		gpio3 = &gpio4;
		i2c0 = &i2c1;
		i2c1 = &i2c2;
		i2c2 = &i2c3;
		mmc0 = &esdhc1;
		mmc1 = &esdhc2;
		pwm0 = &pwm1;
		pwm1 = &pwm2;
		pwm2 = &pwm3;
		pwm3 = &pwm4;
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		serial3 = &uart4;
		serial4 = &uart5;
		spi0 = &spi1;
		spi1 = &spi2;
		spi2 = &spi3;
		usb0 = &usbotg;
		usb1 = &usbhost1;
	};

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

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

	asic: asic-interrupt-controller@68000000 {
		compatible = "fsl,imx25-asic", "fsl,avic";
		interrupt-controller;
		#interrupt-cells = <1>;
		reg = <0x68000000 0x8000000>;
	};

	clocks {
		osc {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <24000000>;
		};
	};

Annotation

Implementation Notes