arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
Extension
.dts
Size
2057 bytes
Lines
106
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 OR MIT)
/*
 * As a loose attempt to separate RP1 customizations from SoC peripherals
 * definitioni, this file is intended to host the override nodes for the RP1
 * peripherals, e.g. to declare the phy of the ethernet interface or custom
 * pin setup.
 * All other nodes that do not have anything to do with RP1 should be added
 * to the included bcm2712-rpi-5-b-base.dtsi instead.
 */

/dts-v1/;

#include "bcm2712-rpi-5-b-base.dtsi"

/ {
	aliases {
		ethernet0 = &rp1_eth;
	};
};

&pcie2 {
	pci@0,0 {
		reg = <0x0 0x0 0x0 0x0 0x0>;
		ranges;
		bus-range = <0 1>;
		device_type = "pci";
		#address-cells = <3>;
		#size-cells = <2>;

		dev@0,0 {
			compatible = "pci1de4,1";
			reg = <0x10000 0x0 0x0 0x0 0x0>;
			ranges = <0x1 0x0 0x0 0x82010000 0x0 0x0 0x0 0x400000>;
			interrupt-controller;
			#interrupt-cells = <2>;
			#address-cells = <3>;
			#size-cells = <2>;

			#include "rp1-common.dtsi"
		};
	};
};

&rp1_eth {
	assigned-clocks = <&rp1_clocks RP1_CLK_ETH_TSU>,
			  <&rp1_clocks RP1_CLK_ETH>;
	assigned-clock-rates = <50000000>,
			       <125000000>;
	status = "okay";
	phy-mode = "rgmii-id";
	phy-handle = <&phy1>;

	mdio {
		reg = <0x1>;
		reset-gpios = <&rp1_gpio 32 GPIO_ACTIVE_LOW>;
		reset-delay-us = <5000>;
		#address-cells = <1>;
		#size-cells = <0>;

		phy1: ethernet-phy@1 {
			reg = <0x1>;
		};
	};
};

&rp1_gpio {
	usb_vbus_default_state: usb-vbus-default-state {
		function = "vbus1";
		groups = "vbus1";
	};

Annotation

Implementation Notes