arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx7ulp-evk.dts
Extension
.dts
Size
2700 bytes
Lines
133
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+
/*
 * Copyright 2016 Freescale Semiconductor, Inc.
 * Copyright 2017-2018 NXP
 *   Dong Aisheng <aisheng.dong@nxp.com>
 */

/dts-v1/;

#include "imx7ulp.dtsi"

/ {
	model = "NXP i.MX7ULP EVK";
	compatible = "fsl,imx7ulp-evk", "fsl,imx7ulp";

	chosen {
		stdout-path = &lpuart4;
	};

	memory@60000000 {
		device_type = "memory";
		reg = <0x60000000 0x40000000>;
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&tpm4 1 50000 0>;
		brightness-levels = <0 20 25 30 35 40 100>;
		default-brightness-level = <6>;
		status = "okay";
	};

	reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usbotg1_vbus>;
		regulator-name = "usb_otg1_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio_ptc 0 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_vsd_3v3: regulator-vsd-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "VSD_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usdhc0_rst>;
		gpio = <&gpio_ptd 0 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&lpuart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_lpuart4>;
	status = "okay";
};

&tpm4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm0>;
	status = "okay";
};

&usbotg1 {
	vbus-supply = <&reg_usb_otg1_vbus>;
	pinctrl-names = "default";

Annotation

Implementation Notes