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

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi
Extension
.dtsi
Size
3765 bytes
Lines
216
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 file for Globalscale Marvell ESPRESSOBin Board
 * Copyright (C) 2016 Marvell
 *
 * Romain Perier <romain.perier@free-electrons.com>
 *
 */

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

/ {
	aliases {
		ethernet0 = &eth0;
		/* for DSA user port device */
		ethernet1 = &switch0port1;
		ethernet2 = &switch0port2;
		ethernet3 = &switch0port3;
	};

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

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

	vcc_sd_reg1: regulator {
		compatible = "regulator-gpio";
		regulator-name = "vcc_sd1";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;

		gpios = <&gpionb 4 GPIO_ACTIVE_HIGH>;
		gpios-states = <0>;
		states = <1800000 0x1
			  3300000 0x0>;
		enable-active-high;
	};

	led2: gpio-led2 {
		/* led2 is working only on v7 board */
		status = "disabled";

		compatible = "gpio-leds";

		led2 {
			label = "led2";
			gpios = <&gpionb 2 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};
};

/* J9 */
&pcie0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&pcie_reset_pins &pcie_clkreq_pins>;
	reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
};

/* J6 */
&sata {
	status = "okay";
};

Annotation

Implementation Notes