arch/arm64/boot/dts/freescale/imx8mp-navqp.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-navqp.dts
Extension
.dts
Size
11164 bytes
Lines
472
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 2021 Emcraft Systems
 * Copyright 2024 Gilles Talis <gilles.talis@gmail.com>
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include "imx8mp.dtsi"

/ {
	model = "Emcraft Systems i.MX8MPlus NavQ+ Kit";
	compatible = "emcraft,imx8mp-navqp", "fsl,imx8mp";

	chosen {
		stdout-path = &uart2;
	};

	hdmi-connector {
		compatible = "hdmi-connector";
		label = "J15";
		type = "d";

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

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_led>;

		led-0 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_STATUS;
			gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};
	};

	reg_usdhc2_vmmc: regulator-usdhc2 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
		regulator-name = "VSD_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		startup-delay-us = <100>;
		off-on-delay-us = <12000>;
	};
};

&A53_0 {
	cpu-supply = <&buck2>;
};

&A53_1 {
	cpu-supply = <&buck2>;
};

&A53_2 {
	cpu-supply = <&buck2>;
};

Annotation

Implementation Notes