arch/arm/boot/dts/nxp/ls/ls1021a.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/ls/ls1021a.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/ls/ls1021a.dtsi
Extension
.dtsi
Size
25975 bytes
Lines
975
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+ OR MIT)
/*
 * Copyright 2013-2014 Freescale Semiconductor, Inc.
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/thermal/thermal.h>

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	interrupt-parent = <&gic>;

	aliases {
		crypto = &crypto;
		ethernet0 = &enet0;
		ethernet1 = &enet1;
		ethernet2 = &enet2;
		rtc1 = &ftm_alarm0;
		serial0 = &lpuart0;
		serial1 = &lpuart1;
		serial2 = &lpuart2;
		serial3 = &lpuart3;
		serial4 = &lpuart4;
		serial5 = &lpuart5;
		sysclk = &sysclk;
	};

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

		cpu0: cpu@f00 {
			compatible = "arm,cortex-a7";
			device_type = "cpu";
			reg = <0xf00>;
			clocks = <&clockgen 1 0>;
			#cooling-cells = <2>;
		};

		cpu1: cpu@f01 {
			compatible = "arm,cortex-a7";
			device_type = "cpu";
			reg = <0xf01>;
			clocks = <&clockgen 1 0>;
			#cooling-cells = <2>;
		};
	};

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x0>;
	};

	sysclk: sysclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
		clock-output-names = "sysclk";
	};

	timer {
		compatible = "arm,armv7-timer";
		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
	};

	pmu {

Annotation

Implementation Notes