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

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b-base.dtsi
Extension
.dtsi
Size
5087 bytes
Lines
256
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)
/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "bcm2712.dtsi"

/ {
	compatible = "raspberrypi,5-model-b", "brcm,bcm2712";
	model = "Raspberry Pi 5";

	aliases {
		serial10 = &uart10;
	};

	chosen: chosen {
		stdout-path = "serial10:115200n8";
	};

	clk_rp1_xosc: clock-50000000 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-output-names = "rp1-xosc";
		clock-frequency = <50000000>;
	};

	/* Will be filled by the bootloader */
	memory@0 {
		device_type = "memory";
		reg = <0 0 0 0x28000000>;
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pwr_button_default>;
		status = "okay";

		power_button: power-button {
			label = "pwr_button";
			linux,code = <KEY_POWER>;
			gpios = <&gio 20 GPIO_ACTIVE_LOW>;
			debounce-interval = <50>;
		};
	};

	firmware {
		firmware: rpi-firmware {
			compatible = "raspberrypi,bcm2835-firmware", "simple-mfd";

			mboxes = <&mailbox>;

			firmware_clocks: clocks {
				compatible = "raspberrypi,firmware-clocks";
				#clock-cells = <1>;
			};

			reset: reset {
				compatible = "raspberrypi,firmware-reset";
				#reset-cells = <1>;
			};

			power: power {
				compatible = "raspberrypi,bcm2835-power";
				firmware = <&firmware>;
				#power-domain-cells = <1>;
			};
		};
	};

Annotation

Implementation Notes