arch/arm64/boot/dts/qcom/ipq9574.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/ipq9574.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/ipq9574.dtsi
Extension
.dtsi
Size
37952 bytes
Lines
1521
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+ OR BSD-3-Clause)
/*
 * IPQ9574 SoC device tree source
 *
 * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
 * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved.
 */

#include <dt-bindings/clock/qcom,apss-ipq.h>
#include <dt-bindings/clock/qcom,ipq-cmn-pll.h>
#include <dt-bindings/clock/qcom,ipq9574-gcc.h>
#include <dt-bindings/interconnect/qcom,ipq9574.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/reset/qcom,ipq9574-gcc.h>
#include <dt-bindings/thermal/thermal.h>

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

	clocks {
		ref_48mhz_clk: ref-48mhz-clk {
			compatible = "fixed-factor-clock";
			clocks = <&xo_clk>;
			#clock-cells = <0>;
		};

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

		xo_board_clk: xo-board-clk {
			compatible = "fixed-factor-clock";
			clocks = <&ref_48mhz_clk>;
			#clock-cells = <0>;
		};

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

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a73";
			reg = <0x0>;
			enable-method = "psci";
			next-level-cache = <&l2_0>;
			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
			clock-names = "cpu";
			operating-points-v2 = <&cpu_opp_table>;
			#cooling-cells = <2>;
		};

		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a73";
			reg = <0x1>;
			enable-method = "psci";
			next-level-cache = <&l2_0>;
			clocks = <&apcs_glb APCS_ALIAS0_CORE_CLK>;
			clock-names = "cpu";
			operating-points-v2 = <&cpu_opp_table>;

Annotation

Implementation Notes