arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml-mba8mx.dts
Extension
.dts
Size
8294 bytes
Lines
303
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 <dt-bindings/phy/phy-imx8-pcie.h>

#include "imx8mm-tqma8mqml.dtsi"
#include "mba8mx.dtsi"

/ {
	model = "TQ-Systems GmbH i.MX8MM TQMa8MxML on MBa8Mx";
	compatible = "tq,imx8mm-tqma8mqml-mba8mx", "tq,imx8mm-tqma8mqml", "fsl,imx8mm";
	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>;
	};

	connector {
		compatible = "gpio-usb-b-connector", "usb-b-connector";
		type = "micro";
		label = "X19";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usb1_connector>;
		id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;

		ports {
			#address-cells = <1>;
			#size-cells = <0>;

			port@0 {
				reg = <0>;
				usb_dr_connector: endpoint {
					remote-endpoint = <&usb1_drd_sw>;
				};
			};
		};
	};
};

&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_expander>;

Annotation

Implementation Notes