arch/arm/boot/dts/nxp/imx/imx51-zii-scu2-mezz.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx51-zii-scu2-mezz.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx51-zii-scu2-mezz.dts
Extension
.dts
Size
9053 bytes
Lines
458
Domain
Architecture Layer
Bucket
arch/arm
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)

/*
 * Copyright (C) 2018 Zodiac Inflight Innovations
 */

/dts-v1/;

#include "imx51.dtsi"

/ {
	model = "ZII SCU2 Mezz Board";
	compatible = "zii,imx51-scu2-mezz", "fsl,imx51";

	chosen {
		stdout-path = &uart1;
	};

	/* Will be filled by the bootloader */
	memory@90000000 {
		device_type = "memory";
		reg = <0x90000000 0>;
	};

	aliases {
		mdio-gpio0 = &mdio_gpio;
	};

	usb_vbus: regulator-usb-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usb_mmc_reset>;
		gpio = <&gpio3 13 GPIO_ACTIVE_LOW>;
		startup-delay-us = <150000>;
		regulator-name = "usb_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	mdio_gpio: mdio {
		compatible = "virtual,mdio-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_swmdio>;
		gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>, /* mdc */
			<&gpio2 6 GPIO_ACTIVE_HIGH>; /* mdio */
		#address-cells = <1>;
		#size-cells = <0>;

		switch@0 {
			compatible = "marvell,mv88e6085";
			reg = <0>;
			dsa,member = <0 0>;
			eeprom-length = <512>;
			interrupt-parent = <&gpio1>;
			interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
			interrupt-controller;
			#interrupt-cells = <2>;

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

				port@0 {
					reg = <0>;
					label = "port4";
				};

				port@1 {
					reg = <1>;
					label = "port5";

Annotation

Implementation Notes