arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/mba6ulx.dtsi
Extension
.dtsi
Size
13446 bytes
Lines
589
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-or-later OR MIT)
/*
 * Copyright 2018-2022 TQ-Systems GmbH
 * Author: Markus Niebel <Markus.Niebel@tq-group.com>
 */

/ {
	model = "TQ-Systems MBA6ULx Baseboard";

	aliases {
		mmc0 = &usdhc2;
		mmc1 = &usdhc1;
		rtc0 = &rtc0;
		rtc1 = &snvs_rtc;
	};

	chosen {
		stdout-path = &uart1;
	};

	backlight: backlight {
		compatible = "pwm-backlight";
		power-supply = <&reg_mba6ul_3v3>;
		enable-gpios = <&expander_out0 4 GPIO_ACTIVE_HIGH>;
		status = "disabled";
	};

	beeper: beeper {
		compatible = "gpio-beeper";
		gpios = <&expander_out1 6 GPIO_ACTIVE_HIGH>;
	};

	gpio_buttons: gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_buttons>;

		button-1 {
			label = "s14";
			linux,code = <KEY_1>;
			gpios = <&expander_in0 0 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		button-2 {
			label = "s6";
			linux,code = <KEY_2>;
			gpios = <&expander_in0 1 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		button-3 {
			label = "s7";
			linux,code = <KEY_3>;
			gpios = <&expander_in0 2 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		power-button {
			label = "POWER";
			linux,code = <KEY_POWER>;
			gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};
	};

	gpio-leds {
		compatible = "gpio-leds";
		status = "okay";

Annotation

Implementation Notes