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

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mq-evk.dts
Extension
.dts
Size
17449 bytes
Lines
765
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 2017 NXP
 * Copyright (C) 2017-2018 Pengutronix, Lucas Stach <kernel@pengutronix.de>
 */

/dts-v1/;

#include "imx8mq.dtsi"

/ {
	model = "NXP i.MX8MQ EVK";
	compatible = "fsl,imx8mq-evk", "fsl,imx8mq";

	chosen {
		stdout-path = &uart1;
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x00000000 0x40000000 0 0xc0000000>;
	};

	pcie0_refclk: pcie0-refclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
	};

	reg_pcie1: regulator-pcie {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pcie1_reg>;
		regulator-name = "MPCIE_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio5 10 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_usdhc2_vmmc: regulator-vsd-3v3 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usdhc2>;
		compatible = "regulator-fixed";
		regulator-name = "VSD_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
		off-on-delay-us = <20000>;
		enable-active-high;
	};

	buck2_reg: regulator-buck2 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_buck2>;
		compatible = "regulator-gpio";
		regulator-name = "vdd_arm";
		regulator-min-microvolt = <900000>;
		regulator-max-microvolt = <1000000>;
		gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
		states = <1000000 0x0
			  900000 0x1>;
		regulator-boot-on;
		regulator-always-on;
	};

	ir-receiver {
		compatible = "gpio-ir-receiver";
		gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
		pinctrl-names = "default";

Annotation

Implementation Notes