arch/arm/boot/dts/nxp/imx/imx27.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx27.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx27.dtsi
Extension
.dtsi
Size
15154 bytes
Lines
597
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

#include "imx27-pinfunc.h"

#include <dt-bindings/clock/imx27-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.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;
		gpio4 = &gpio5;
		gpio5 = &gpio6;
		i2c0 = &i2c1;
		i2c1 = &i2c2;
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		serial3 = &uart4;
		serial4 = &uart5;
		serial5 = &uart6;
		spi0 = &cspi1;
		spi1 = &cspi2;
		spi2 = &cspi3;
	};

	aitc: aitc-interrupt-controller@10040000 {
		compatible = "fsl,imx27-aitc", "fsl,avic";
		interrupt-controller;
		#interrupt-cells = <1>;
		reg = <0x10040000 0x1000>;
	};

	clocks {
		clk_osc26m: osc26m {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <26000000>;
		};
	};

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

		cpu: cpu@0 {
			device_type = "cpu";
			reg = <0>;
			compatible = "arm,arm926ej-s";
			operating-points = <
				/* kHz uV */
				266000 1300000
				399000 1450000
			>;

Annotation

Implementation Notes