arch/arm64/boot/dts/qcom/msm8976.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/msm8976.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/msm8976.dtsi
Extension
.dtsi
Size
42701 bytes
Lines
1933
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: BSD-3-Clause
/*
 * Copyright (c) 2016-2022, AngeloGioacchino Del Regno
 *                          <angelogioacchino.delregno@collabora.com>
 * Copyright (c) 2022, Konrad Dybcio <konrad.dybcio@somainline.org>
 * Copyright (c) 2022, Marijn Suijten <marijn.suijten@somainline.org>
 */

#include <dt-bindings/clock/qcom,dsi-phy-28nm.h>
#include <dt-bindings/clock/qcom,gcc-msm8976.h>
#include <dt-bindings/clock/qcom,rpmcc.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/power/qcom-rpmpd.h>

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

	chosen { };

	clocks {
		xo_board: xo-board {
			compatible = "fixed-clock";
			#clock-cells = <0>;
		};
	};

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x0>;
			enable-method = "psci";
			cpu-idle-states = <&little_cpu_sleep_0>;
			capacity-dmips-mhz = <573>;
			next-level-cache = <&l2_0>;
			#cooling-cells = <2>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x1>;
			enable-method = "psci";
			cpu-idle-states = <&little_cpu_sleep_0>;
			capacity-dmips-mhz = <573>;
			next-level-cache = <&l2_0>;
			#cooling-cells = <2>;
		};

		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";
			reg = <0x2>;
			enable-method = "psci";
			cpu-idle-states = <&little_cpu_sleep_0>;
			capacity-dmips-mhz = <573>;
			next-level-cache = <&l2_0>;
			#cooling-cells = <2>;
		};

		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a53";

Annotation

Implementation Notes