arch/arm64/boot/dts/qcom/sm8550.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sm8550.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sm8550.dtsi
Extension
.dtsi
Size
187865 bytes
Lines
7183
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) 2022, Linaro Limited
 */

#include <dt-bindings/clock/qcom,dsi-phy-28nm.h>
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/clock/qcom,sm8450-videocc.h>
#include <dt-bindings/clock/qcom,sm8550-camcc.h>
#include <dt-bindings/clock/qcom,sm8550-gcc.h>
#include <dt-bindings/clock/qcom,sm8550-gpucc.h>
#include <dt-bindings/clock/qcom,sm8550-tcsr.h>
#include <dt-bindings/clock/qcom,sm8550-dispcc.h>
#include <dt-bindings/dma/qcom-gpi.h>
#include <dt-bindings/firmware/qcom,scm.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interconnect/qcom,icc.h>
#include <dt-bindings/interconnect/qcom,sm8550-rpmh.h>
#include <dt-bindings/interconnect/qcom,osm-l3.h>
#include <dt-bindings/mailbox/qcom-ipcc.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/sound/qcom,q6dsp-lpass-ports.h>
#include <dt-bindings/phy/phy-qcom-qmp.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>;
		};

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

		bi_tcxo_div2: bi-tcxo-div2-clk {
			#clock-cells = <0>;
			compatible = "fixed-factor-clock";
			clocks = <&rpmhcc RPMH_CXO_CLK>;
			clock-mult = <1>;
			clock-div = <2>;
		};

		bi_tcxo_ao_div2: bi-tcxo-ao-div2-clk {
			#clock-cells = <0>;
			compatible = "fixed-factor-clock";
			clocks = <&rpmhcc RPMH_CXO_CLK_A>;
			clock-mult = <1>;
			clock-div = <2>;
		};
	};

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

		cpu0: cpu@0 {

Annotation

Implementation Notes