arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
Extension
.dts
Size
1834 bytes
Lines
103
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
/*
 * Device Tree Source for the Falcon CPU and BreakOut boards with R-Car V3U
 *
 * Copyright (C) 2020 Renesas Electronics Corp.
 */

/dts-v1/;
#include "r8a779a0-falcon-cpu.dtsi"
#include "r8a779a0-falcon-csi-dsi.dtsi"
#include "r8a779a0-falcon-ethernet.dtsi"

/ {
	model = "Renesas Falcon CPU and Breakout boards based on r8a779a0";
	compatible = "renesas,falcon-breakout", "renesas,falcon-cpu", "renesas,r8a779a0";

	aliases {
		ethernet0 = &avb0;
	};
};

&avb0 {
	pinctrl-0 = <&avb0_pins>;
	pinctrl-names = "default";
	phy-handle = <&phy0>;
	tx-internal-delay-ps = <2000>;
	status = "okay";

	phy0: ethernet-phy@0 {
		compatible = "ethernet-phy-id0022.1622",
			     "ethernet-phy-ieee802.3-c22";
		rxc-skew-ps = <1500>;
		reg = <0>;
		interrupts-extended = <&gpio4 16 IRQ_TYPE_LEVEL_LOW>;
		reset-gpios = <&gpio4 15 GPIO_ACTIVE_LOW>;
		reset-assert-us = <10000>;
		reset-deassert-us = <300>;
	};
};

&can_clk {
	clock-frequency = <40000000>;
};

&canfd {
	pinctrl-0 = <&canfd0_pins>, <&canfd1_pins>, <&can_clk_pins>;
	pinctrl-names = "default";
	status = "okay";

	channel0 {
		status = "okay";
	};

	channel1 {
		status = "okay";
	};
};

&i2c0 {
	eeprom@51 {
		compatible = "rohm,br24g01", "atmel,24c01";
		label = "breakout-board";
		reg = <0x51>;
		pagesize = <8>;
	};
};

&pfc {
	avb0_pins: avb0 {
		mux {

Annotation

Implementation Notes