arch/arm64/boot/dts/freescale/imx8qm-tqma8qm-mba8x.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8qm-tqma8qm-mba8x.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8qm-tqma8qm-mba8x.dts
Extension
.dts
Size
23260 bytes
Lines
872
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-later OR MIT)
/*
 * Copyright (c) 2019-2026 TQ-Systems GmbH <linux@ew.tq-group.com>,
 * D-82229 Seefeld, Germany.
 * Author: Alexander Stein
 */

/dts-v1/;

#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/net/ti-dp83867.h>
#include <dt-bindings/pwm/pwm.h>

#include "imx8qm-tqma8qm.dtsi"

/ {
	model = "TQ-Systems i.MX8QM TQMa8QM on MBa8x";
	compatible = "tq,imx8qm-tqma8qm-mba8x", "tq,imx8qm-tqma8qm", "fsl,imx8qm";

	adc {
		compatible = "iio-hwmon";
		io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>;
	};

	aliases {
		rtc0 = &pcf85063;
		rtc1 = &rtc;
	};

	chosen {
		stdout-path = &lpuart0;
	};


	clk_xtal25: clk-xtal25 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
	};

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

		switch-1 {
			label = "SWITCH_A";
			linux,code = <BTN_0>;
			gpios = <&lsio_gpio2 11 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		switch-2 {
			label = "SWITCH_B";
			linux,code = <BTN_1>;
			gpios = <&lsio_gpio1 0 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};
	};

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

		user-led0 {
			color = <LED_COLOR_ID_GREEN>;

Annotation

Implementation Notes