arch/arm/boot/dts/nxp/imx/imx6ul.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
Extension
.dtsi
Size
33130 bytes
Lines
1161
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 2015 Freescale Semiconductor, Inc.

#include <dt-bindings/clock/imx6ul-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include "imx6ul-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 = &fec1;
		ethernet1 = &fec2;
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		gpio3 = &gpio4;
		gpio4 = &gpio5;
		i2c0 = &i2c1;
		i2c1 = &i2c2;
		i2c2 = &i2c3;
		i2c3 = &i2c4;
		mmc0 = &usdhc1;
		mmc1 = &usdhc2;
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		serial3 = &uart4;
		serial4 = &uart5;
		serial5 = &uart6;
		serial6 = &uart7;
		serial7 = &uart8;
		sai1 = &sai1;
		sai2 = &sai2;
		sai3 = &sai3;
		spi0 = &ecspi1;
		spi1 = &ecspi2;
		spi2 = &ecspi3;
		spi3 = &ecspi4;
		usb0 = &usbotg1;
		usb1 = &usbotg2;
		usbphy0 = &usbphy1;
		usbphy1 = &usbphy2;
	};

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

		cpu0: cpu@0 {
			compatible = "arm,cortex-a7";
			device_type = "cpu";
			reg = <0>;
			clock-frequency = <696000000>;
			clock-latency = <61036>; /* two CLK32 periods */
			#cooling-cells = <2>;
			operating-points =
				/* kHz	uV */
				<696000	1275000>,
				<528000	1175000>,

Annotation

Implementation Notes