arch/arm/boot/dts/renesas/r7s9210.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/renesas/r7s9210.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/renesas/r7s9210.dtsi
Extension
.dtsi
Size
14348 bytes
Lines
509
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 R7S9210 SoC
 *
 * Copyright (C) 2018 Renesas Electronics Corporation
 *
 */

#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/r7s9210-cpg-mssr.h>

/ {
	compatible = "renesas,r7s9210";
	interrupt-parent = <&gic>;
	#address-cells = <1>;
	#size-cells = <1>;

	/* External clocks */
	extal_clk: extal {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		/* Value must be set by board */
		clock-frequency = <0>;
	};

	rtc_x1_clk: rtc_x1 {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		/* If clk present, value (32678) must be set by board */
		clock-frequency = <0>;
	};

	usb_x1_clk: usb_x1 {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		/* If clk present, value (48000000) must be set by board */
		clock-frequency = <0>;
	};

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

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <0>;
			clock-frequency = <528000000>;
			next-level-cache = <&L2>;
		};
	};

	soc {
		compatible = "simple-bus";

		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		L2: cache-controller@1f003000 {
			compatible = "arm,pl310-cache";
			reg = <0x1f003000 0x1000>;
			interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
			arm,early-bresp-disable;
			arm,full-line-zero-disable;
			cache-unified;
			cache-level = <2>;
		};

		scif0: serial@e8007000 {

Annotation

Implementation Notes