arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
Extension
.dts
Size
7007 bytes
Lines
247
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 2020-2021 TQ-Systems GmbH
 */

/dts-v1/;

#include "imx8mn-tqma8mqnl.dtsi"
#include "mba8mx.dtsi"

/ {
	model = "TQ-Systems GmbH i.MX8MN TQMa8MxNL on MBa8Mx";
	compatible = "tq,imx8mn-tqma8mqnl-mba8mx", "tq,imx8mn-tqma8mqnl", "fsl,imx8mn";
	chassis-type = "embedded";

	aliases {
		eeprom0 = &eeprom3;
		mmc0 = &usdhc3;
		mmc1 = &usdhc2;
		mmc2 = &usdhc1;
		rtc0 = &pcf85063;
		rtc1 = &snvs_rtc;
	};

	reg_usdhc2_vmmc: regulator-vmmc {
		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>;
	};
};

/* Located on TQMa8MxML-ADAP */
&gpio2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usb0hub_sel>;

	sel_usb_hub_hog: sel-usb-hub-hog {
		gpio-hog;
		gpios = <1 GPIO_ACTIVE_HIGH>;
		output-high;
	};
};

&i2c1 {
	expander2: gpio@27 {
		compatible = "nxp,pca9555";
		reg = <0x27>;
		gpio-controller;
		#gpio-cells = <2>;
		vcc-supply = <&reg_vcc_3v3>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_expander2>;
		interrupt-parent = <&gpio1>;
		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
		interrupt-controller;
		#interrupt-cells = <2>;
	};
};

&mipi_dsi {
	samsung,esc-clock-frequency = <20000000>;
};

Annotation

Implementation Notes