arch/arm64/boot/dts/renesas/white-hawk-ethernet.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/renesas/white-hawk-ethernet.dtsi
Extension
.dtsi
Size
1915 bytes
Lines
118
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 White Hawk RAVB/Ethernet(1000Base-T1)
 * sub-board
 *
 * Copyright (C) 2022 Glider bv
 */

/ {
	aliases {
		ethernet1 = &avb1;
		ethernet2 = &avb2;
	};
};

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

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

		reset-gpios = <&gpio6 1 GPIO_ACTIVE_LOW>;
		reset-post-delay-us = <4000>;

		avb1_phy: ethernet-phy@0 {
			compatible = "ethernet-phy-ieee802.3-c45";
			reg = <0>;
			interrupts-extended = <&gpio6 3 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 = <&gpio5 5 GPIO_ACTIVE_LOW>;
		reset-post-delay-us = <4000>;

		avb2_phy: ethernet-phy@0 {
			compatible = "ethernet-phy-ieee802.3-c45";
			reg = <0>;
			interrupts-extended = <&gpio5 4 IRQ_TYPE_LEVEL_LOW>;
		};
	};
};

&i2c0 {
	eeprom@53 {
		compatible = "rohm,br24g01", "atmel,24c01";
		label = "ethernet-sub-board-id";
		reg = <0x53>;
		pagesize = <8>;
	};
};

&pfc {
	avb1_pins: avb1 {
		mux {
			groups = "avb1_link", "avb1_mdio", "avb1_rgmii",

Annotation

Implementation Notes