arch/arm/boot/dts/renesas/r8a73a4.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/renesas/r8a73a4.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/renesas/r8a73a4.dtsi
Extension
.dtsi
Size
28438 bytes
Lines
1015
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
/*
 * Device Tree Source for the r8a73a4 SoC
 *
 * Copyright (C) 2013 Renesas Solutions Corp.
 * Copyright (C) 2013 Magnus Damm
 */

#include <dt-bindings/clock/r8a73a4-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	compatible = "renesas,r8a73a4";
	interrupt-parent = <&gic>;
	#address-cells = <2>;
	#size-cells = <2>;

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

		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a15";
			reg = <0>;
			clocks = <&cpg_clocks R8A73A4_CLK_Z>;
			clock-frequency = <1500000000>;
			power-domains = <&pd_a2sl>;
			next-level-cache = <&L2_CA15>;
		};

		L2_CA15: cache-controller-0 {
			compatible = "cache";
			clocks = <&cpg_clocks R8A73A4_CLK_Z>;
			power-domains = <&pd_a3sm>;
			cache-unified;
			cache-level = <2>;
		};

		L2_CA7: cache-controller-1 {
			compatible = "cache";
			clocks = <&cpg_clocks R8A73A4_CLK_Z2>;
			power-domains = <&pd_a3km>;
			cache-unified;
			cache-level = <2>;
		};
	};

	replicator {
		compatible = "arm,coresight-static-replicator";
		clocks = <&cpg_clocks R8A73A4_CLK_ZTR>;
		clock-names = "atclk";
		power-domains = <&pd_d4>;

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

			/* replicator output ports */
			port@0 {
				reg = <0>;

				replicator_out_port0: endpoint {
					remote-endpoint = <&tpiu_in_port>;
				};
			};
			port@1 {
				reg = <1>;

Annotation

Implementation Notes