arch/arm/boot/dts/socionext/uniphier-pro5.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/socionext/uniphier-pro5.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/socionext/uniphier-pro5.dtsi
Extension
.dtsi
Size
18119 bytes
Lines
708
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+ OR MIT
//
// Device Tree Source for UniPhier Pro5 SoC
//
// Copyright (C) 2015-2016 Socionext Inc.
//   Author: Masahiro Yamada <yamada.masahiro@socionext.com>

#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	compatible = "socionext,uniphier-pro5";
	#address-cells = <1>;
	#size-cells = <1>;

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

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <0>;
			clocks = <&sys_clk 32>;
			enable-method = "psci";
			next-level-cache = <&l2>;
			operating-points-v2 = <&cpu_opp>;
		};

		cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <1>;
			clocks = <&sys_clk 32>;
			enable-method = "psci";
			next-level-cache = <&l2>;
			operating-points-v2 = <&cpu_opp>;
		};
	};

	cpu_opp: opp-table {
		compatible = "operating-points-v2";
		opp-shared;

		opp-100000000 {
			opp-hz = /bits/ 64 <100000000>;
			clock-latency-ns = <300>;
		};
		opp-116667000 {
			opp-hz = /bits/ 64 <116667000>;
			clock-latency-ns = <300>;
		};
		opp-150000000 {
			opp-hz = /bits/ 64 <150000000>;
			clock-latency-ns = <300>;
		};
		opp-175000000 {
			opp-hz = /bits/ 64 <175000000>;
			clock-latency-ns = <300>;
		};
		opp-200000000 {
			opp-hz = /bits/ 64 <200000000>;
			clock-latency-ns = <300>;
		};
		opp-233334000 {
			opp-hz = /bits/ 64 <233334000>;
			clock-latency-ns = <300>;
		};
		opp-300000000 {
			opp-hz = /bits/ 64 <300000000>;
			clock-latency-ns = <300>;

Annotation

Implementation Notes