arch/arm64/boot/dts/sprd/sc9836.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/sprd/sc9836.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/sprd/sc9836.dtsi
Extension
.dtsi
Size
4347 bytes
Lines
224
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)
/*
 * Spreadtrum SC9836 SoC DTS file
 *
 * Copyright (C) 2014, Spreadtrum Communications Inc.
 */

#include "sharkl64.dtsi"
#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	compatible = "sprd,sc9836";

	cpus {
		#address-cells = <2>;
		#size-cells = <0>;

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x0>;
			enable-method = "psci";
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x1>;
			enable-method = "psci";
		};

		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x2>;
			enable-method = "psci";
		};

		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0 0x3>;
			enable-method = "psci";
		};
	};

	etf@10003000 {
		compatible = "arm,coresight-tmc", "arm,primecell";
		reg = <0 0x10003000 0 0x1000>;
		clocks = <&clk26mhz>;
		clock-names = "apb_pclk";
		in-ports {
			port {
				etf_in: endpoint {
					remote-endpoint = <&funnel_out_port0>;
				};
			};
		};
	};

	funnel@10001000 {
		compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
		reg = <0 0x10001000 0 0x1000>;
		clocks = <&clk26mhz>;
		clock-names = "apb_pclk";

		out-ports {
			port {
				funnel_out_port0: endpoint {
					remote-endpoint = <&etf_in>;

Annotation

Implementation Notes