arch/arm64/boot/dts/qcom/sar2130p.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sar2130p.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sar2130p.dtsi
Extension
.dtsi
Size
94331 bytes
Lines
3588
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) 2024, Linaro Limited
 */

#include <dt-bindings/clock/qcom,dsi-phy-28nm.h>
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/clock/qcom,sar2130p-gcc.h>
#include <dt-bindings/clock/qcom,sar2130p-gpucc.h>
#include <dt-bindings/clock/qcom,sm8550-dispcc.h>
#include <dt-bindings/clock/qcom,sm8550-tcsr.h>
#include <dt-bindings/dma/qcom-gpi.h>
#include <dt-bindings/interconnect/qcom,icc.h>
#include <dt-bindings/interconnect/qcom,sar2130p-rpmh.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/mailbox/qcom-ipcc.h>
#include <dt-bindings/phy/phy-qcom-qmp.h>
#include <dt-bindings/power/qcom-rpmpd.h>
#include <dt-bindings/power/qcom,rpmhpd.h>
#include <dt-bindings/soc/qcom,gpr.h>
#include <dt-bindings/soc/qcom,rpmh-rsc.h>
#include <dt-bindings/thermal/thermal.h>

/ {
	interrupt-parent = <&intc>;

	#address-cells = <2>;
	#size-cells = <2>;

	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 = <32764>;
		};
	};

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a55";
			reg = <0x0 0x0>;
			clocks = <&cpufreq_hw 0>;
			enable-method = "psci";
			next-level-cache = <&l2_0>;
			qcom,freq-domain = <&cpufreq_hw 0>;
			power-domains = <&cpu_pd0>;
			power-domain-names = "psci";
			#cooling-cells = <2>;

			l2_0: l2-cache {
				compatible = "cache";
				cache-level = <2>;
				cache-unified;
				next-level-cache = <&l3_0>;

				l3_0: l3-cache {
					compatible = "cache";
					cache-level = <3>;

Annotation

Implementation Notes