arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mq-nitrogen.dts
Extension
.dts
Size
13837 bytes
Lines
590
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 2018 Boundary Devices
 */

/dts-v1/;

#include <dt-bindings/input/input.h>
#include "imx8mq.dtsi"

/ {
	model = "Boundary Devices i.MX8MQ Nitrogen8M";
	compatible = "boundary,imx8mq-nitrogen8m", "fsl,imx8mq";

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

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

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

		button-power {
			label = "Power Button";
			gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_POWER>;
			wakeup-source;
		};
	};

	hdmi-connector {
		compatible = "hdmi-connector";
		ddc-i2c-bus = <&ddc_i2c_bus>;
		label = "hdmi";
		type = "a";

		port {
			hdmi_connector_in: endpoint {
				remote-endpoint = <&lt8912_out>;
			};
		};
	};

	reg_usb_otg_vbus: regulator-usb-otg-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usbotg_vbus>;
		regulator-name = "usb_otg_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_vref_0v9: regulator-vref-0v9 {
		compatible = "regulator-fixed";
		regulator-name = "vref-0v9";
		regulator-min-microvolt = <900000>;
		regulator-max-microvolt = <900000>;
	};

	reg_vref_1v8: regulator-vref-1v8 {
		compatible = "regulator-fixed";
		regulator-name = "vref-1v8";

Annotation

Implementation Notes