arch/arm64/boot/dts/marvell/armada-3720-uDPU.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/armada-3720-uDPU.dtsi
Extension
.dtsi
Size
2988 bytes
Lines
170
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)
/*
 * Device tree for the uDPU board.
 * Based on Marvell Armada 3720 development board (DB-88F3720-DDR3)
 * Copyright (C) 2016 Marvell
 * Copyright (C) 2019 Methode Electronics
 * Copyright (C) 2019 Telus
 *
 * Vladimir Vid <vladimir.vid@sartura.hr>
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include "armada-372x.dtsi"

/ {
	aliases {
		ethernet0 = &eth0;
		ethernet1 = &eth1;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x00000000 0x00000000 0x20000000>;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&spi_quad_pins>;

		led-power1 {
			label = "udpu:green:power";
			gpios = <&gpionb 11 GPIO_ACTIVE_LOW>;
		};

		led-power2 {
			label = "udpu:red:power";
			gpios = <&gpionb 12 GPIO_ACTIVE_LOW>;
		};

		led-network1 {
			label = "udpu:green:network";
			gpios = <&gpionb 13 GPIO_ACTIVE_LOW>;
		};

		led-network2 {
			label = "udpu:red:network";
			gpios = <&gpionb 14 GPIO_ACTIVE_LOW>;
		};

		led-alarm1 {
			label = "udpu:green:alarm";
			gpios = <&gpionb 15 GPIO_ACTIVE_LOW>;
		};

		led-alarm2 {
			label = "udpu:red:alarm";
			gpios = <&gpionb 16 GPIO_ACTIVE_LOW>;
		};
	};

	sfp_eth1: sfp-eth1 {
		compatible = "sff,sfp";
		i2c-bus = <&i2c1>;

Annotation

Implementation Notes