arch/arm/boot/dts/qcom/qcom-msm8974.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/qcom/qcom-msm8974.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/qcom/qcom-msm8974.dtsi
Extension
.dtsi
Size
54240 bytes
Lines
2448
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
/dts-v1/;

#include <dt-bindings/clock/qcom,dsi-phy-28nm.h>
#include <dt-bindings/clock/qcom,gcc-msm8974.h>
#include <dt-bindings/clock/qcom,mmcc-msm8974.h>
#include <dt-bindings/clock/qcom,rpmcc.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interconnect/qcom,msm8974.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/power/qcom-rpmpd.h>
#include <dt-bindings/reset/qcom,gcc-msm8974.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&intc>;

	chosen { };

	clocks {
		xo_board: xo_board {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <19200000>;
		};

		sleep_clk: sleep_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <32768>;
		};
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;

		cpu0: cpu@0 {
			compatible = "qcom,krait";
			enable-method = "qcom,kpss-acc-v2";
			device_type = "cpu";
			reg = <0>;
			next-level-cache = <&l2>;
			qcom,acc = <&acc0>;
			qcom,saw = <&saw0>;
			cpu-idle-states = <&cpu_spc>;
		};

		cpu1: cpu@1 {
			compatible = "qcom,krait";
			enable-method = "qcom,kpss-acc-v2";
			device_type = "cpu";
			reg = <1>;
			next-level-cache = <&l2>;
			qcom,acc = <&acc1>;
			qcom,saw = <&saw1>;
			cpu-idle-states = <&cpu_spc>;
		};

		cpu2: cpu@2 {
			compatible = "qcom,krait";
			enable-method = "qcom,kpss-acc-v2";
			device_type = "cpu";
			reg = <2>;
			next-level-cache = <&l2>;
			qcom,acc = <&acc2>;
			qcom,saw = <&saw2>;
			cpu-idle-states = <&cpu_spc>;

Annotation

Implementation Notes