arch/arm64/boot/dts/ti/k3-j721e.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-j721e.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-j721e.dtsi
Extension
.dtsi
Size
5861 bytes
Lines
177
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-only OR MIT
/*
 * Device Tree Source for J721E SoC Family
 *
 * Copyright (C) 2016-2024 Texas Instruments Incorporated - https://www.ti.com/
 */

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/soc/ti,sci_pm_domain.h>

#include "k3-pinctrl.h"

/ {
	model = "Texas Instruments K3 J721E SoC";
	compatible = "ti,j721e";
	interrupt-parent = <&gic500>;
	#address-cells = <2>;
	#size-cells = <2>;

	chosen { };

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		cpu-map {
			cluster0: cluster0 {
				core0 {
					cpu = <&cpu0>;
				};

				core1 {
					cpu = <&cpu1>;
				};
			};

		};

		cpu0: cpu@0 {
			compatible = "arm,cortex-a72";
			reg = <0x000>;
			device_type = "cpu";
			enable-method = "psci";
			i-cache-size = <0xc000>;
			i-cache-line-size = <64>;
			i-cache-sets = <256>;
			d-cache-size = <0x8000>;
			d-cache-line-size = <64>;
			d-cache-sets = <256>;
			next-level-cache = <&L2_0>;
		};

		cpu1: cpu@1 {
			compatible = "arm,cortex-a72";
			reg = <0x001>;
			device_type = "cpu";
			enable-method = "psci";
			i-cache-size = <0xc000>;
			i-cache-line-size = <64>;
			i-cache-sets = <256>;
			d-cache-size = <0x8000>;
			d-cache-line-size = <64>;
			d-cache-sets = <256>;
			next-level-cache = <&L2_0>;
		};
	};

	L2_0: l2-cache0 {
		compatible = "cache";
		cache-level = <2>;

Annotation

Implementation Notes