arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi
Extension
.dtsi
Size
27444 bytes
Lines
1036
Domain
Architecture Layer
Bucket
arch/arm64
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)
/*
 * Device Tree Include file for NXP Layerscape-1043A family SoC.
 *
 * Copyright 2014-2015 Freescale Semiconductor, Inc.
 * Copyright 2018, 2020 NXP
 *
 * Mingkai Hu <Mingkai.hu@freescale.com>
 */

#include <dt-bindings/clock/fsl,qoriq-clockgen.h>
#include <dt-bindings/thermal/thermal.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	compatible = "fsl,ls1043a";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

	aliases {
		crypto = &crypto;
		fman0 = &fman0;
		ethernet0 = &enet0;
		ethernet1 = &enet1;
		ethernet2 = &enet2;
		ethernet3 = &enet3;
		ethernet4 = &enet4;
		ethernet5 = &enet5;
		ethernet6 = &enet6;
		rtc1 = &ftm_alarm0;
	};

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

		/*
		 * We expect the enable-method for cpu's to be "psci", but this
		 * is dependent on the SoC FW, which will fill this in.
		 *
		 * Currently supported enable-method is psci v0.2
		 */
		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0>;
			clocks = <&clockgen QORIQ_CLK_CMUX 0>;
			next-level-cache = <&l2>;
			cpu-idle-states = <&CPU_PH20>;
			#cooling-cells = <2>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x1>;
			clocks = <&clockgen QORIQ_CLK_CMUX 0>;
			next-level-cache = <&l2>;
			cpu-idle-states = <&CPU_PH20>;
			#cooling-cells = <2>;
		};

		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x2>;
			clocks = <&clockgen QORIQ_CLK_CMUX 0>;
			next-level-cache = <&l2>;

Annotation

Implementation Notes