arch/arm64/boot/dts/renesas/r9a07g044.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/renesas/r9a07g044.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/r9a07g044.dtsi
Extension
.dtsi
Size
46267 bytes
Lines
1474
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-only OR BSD-2-Clause)
/*
 * Device Tree Source for the RZ/G2L and RZ/G2LC common SoC parts
 *
 * Copyright (C) 2021 Renesas Electronics Corp.
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/r9a07g044-cpg.h>

/ {
	compatible = "renesas,r9a07g044";
	#address-cells = <2>;
	#size-cells = <2>;
	interrupt-parent = <&gic>;

	audio_clk1: audio1-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		/* This value must be overridden by boards that provide it */
		clock-frequency = <0>;
	};

	audio_clk2: audio2-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		/* This value must be overridden by boards that provide it */
		clock-frequency = <0>;
	};

	/* External CAN clock - to be overridden by boards that provide it */
	can_clk: can-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <0>;
	};

	/* clock can be either from exclk or crystal oscillator (XIN/XOUT) */
	extal_clk: extal-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		/* This value must be overridden by the board */
		clock-frequency = <0>;
	};

	cluster0_opp: opp-table-0 {
		compatible = "operating-points-v2";
		opp-shared;

		opp-150000000 {
			opp-hz = /bits/ 64 <150000000>;
			opp-microvolt = <1100000>;
			clock-latency-ns = <300000>;
		};
		opp-300000000 {
			opp-hz = /bits/ 64 <300000000>;
			opp-microvolt = <1100000>;
			clock-latency-ns = <300000>;
		};
		opp-600000000 {
			opp-hz = /bits/ 64 <600000000>;
			opp-microvolt = <1100000>;
			clock-latency-ns = <300000>;
		};
		opp-1200000000 {
			opp-hz = /bits/ 64 <1200000000>;
			opp-microvolt = <1100000>;
			clock-latency-ns = <300000>;
			opp-suspend;
		};

Annotation

Implementation Notes