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

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/r8a779a0-falcon-ethernet.dtsi
Extension
.dtsi
Size
4211 bytes
Lines
258
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 Ethernet sub-board
 *
 * Copyright (C) 2021 Glider bv
 */

/ {
	aliases {
		ethernet1 = &avb1;
		ethernet2 = &avb2;
		ethernet3 = &avb3;
		ethernet4 = &avb4;
		ethernet5 = &avb5;
	};
};

&avb1 {
	pinctrl-0 = <&avb1_pins>;
	pinctrl-names = "default";
	phy-handle = <&avb1_phy>;
	status = "okay";

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

		reset-gpios = <&gpio5 15 GPIO_ACTIVE_LOW>;
		reset-post-delay-us = <4000>;

		avb1_phy: ethernet-phy@7 {
			compatible = "ethernet-phy-ieee802.3-c45";
			reg = <7>;
			interrupts-extended = <&gpio5 16 IRQ_TYPE_LEVEL_LOW>;
		};
	};
};

&avb2 {
	pinctrl-0 = <&avb2_pins>;
	pinctrl-names = "default";
	phy-handle = <&avb2_phy>;
	status = "okay";

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

		reset-gpios = <&gpio6 15 GPIO_ACTIVE_LOW>;
		reset-post-delay-us = <4000>;

		avb2_phy: ethernet-phy@7 {
			compatible = "ethernet-phy-ieee802.3-c45";
			reg = <7>;
			interrupts-extended = <&gpio6 16 IRQ_TYPE_LEVEL_LOW>;
		};
	};
};

&avb3 {
	pinctrl-0 = <&avb3_pins>;
	pinctrl-names = "default";
	phy-handle = <&avb3_phy>;
	status = "okay";

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

		reset-gpios = <&gpio7 15 GPIO_ACTIVE_LOW>;

Annotation

Implementation Notes