arch/arm/boot/dts/renesas/r7s72100.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/renesas/r7s72100.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/renesas/r7s72100.dtsi
Extension
.dtsi
Size
23288 bytes
Lines
793
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 r7s72100 SoC
 *
 * Copyright (C) 2013-14 Renesas Solutions Corp.
 * Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com>
 */

#include <dt-bindings/clock/r7s72100-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	compatible = "renesas,r7s72100";
	#address-cells = <1>;
	#size-cells = <1>;
	interrupt-parent = <&gic>;

	aliases {
		i2c0 = &i2c0;
		i2c1 = &i2c1;
		i2c2 = &i2c2;
		i2c3 = &i2c3;
		spi0 = &spi0;
		spi1 = &spi1;
		spi2 = &spi2;
		spi3 = &spi3;
		spi4 = &spi4;
	};

	/* Fixed factor clocks */
	b_clk: b {
		#clock-cells = <0>;
		compatible = "fixed-factor-clock";
		clocks = <&cpg_clocks R7S72100_CLK_PLL>;
		clock-mult = <1>;
		clock-div = <3>;
	};

	bsc: bus@0 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		ranges = <0 0 0x18000000>;
		bootph-all;
	};

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

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <0>;
			clock-frequency = <400000000>;
			clocks = <&cpg_clocks R7S72100_CLK_I>;
			next-level-cache = <&L2>;
		};
	};

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

	p0_clk: p0 {

Annotation

Implementation Notes