arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts
Extension
.dts
Size
9729 bytes
Lines
424
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)
/*
 * Copyright 2023 Y Soft
 */

/dts-v1/;

#include "imx8mp.dtsi"

/ {
	compatible = "ysoft,imx8mp-iota2-lumpy", "fsl,imx8mp";
	model = "Y Soft i.MX8MPlus IOTA2 Lumpy board";

	beeper {
		compatible = "pwm-beeper";
		pwms = <&pwm4 0 500000 0>;
	};

	chosen {
		stdout-path = &uart2;
	};

	gpio_keys: gpio-keys {
		compatible = "gpio-keys";
		pinctrl-0 = <&pinctrl_gpio_keys>;
		pinctrl-names = "default";

		button-reset {
			gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
			label = "Factory RESET";
			linux,code = <BTN_0>;
		};
	};

	reg_usb_host: regulator-usb-host {
		compatible = "regulator-fixed";
		pinctrl-0 = <&pinctrl_usb_host_vbus>;
		pinctrl-names = "default";
		regulator-max-microvolt = <5000000>;
		regulator-min-microvolt = <5000000>;
		regulator-name = "usb-host";
		gpio = <&gpio1 14 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	memory@40000000 {
		reg = <0x0 0x40000000 0 0x80000000>,
		      <0x1 0x00000000 0 0x80000000>;
		device_type = "memory";
	};
};

&A53_0 {
	cpu-supply = <&reg_arm>;
};

&A53_1 {
	cpu-supply = <&reg_arm>;
};

&A53_2 {
	cpu-supply = <&reg_arm>;
};

&A53_3 {
	cpu-supply = <&reg_arm>;
};

&eqos {
	phy-handle = <&ethphy0>;

Annotation

Implementation Notes