arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-tqma8mpql.dtsi
Extension
.dtsi
Size
7910 bytes
Lines
298
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 2021-2025 TQ-Systems GmbH <linux@ew.tq-group.com>,
 * D-82229 Seefeld, Germany.
 * Author: Alexander Stein
 */

#include "imx8mp.dtsi"

/ {
	model = "TQ-Systems i.MX8MPlus TQMa8MPxL";
	compatible = "tq,imx8mp-tqma8mpql", "fsl,imx8mp";

	memory@40000000 {
		device_type = "memory";
		reg = <0x0 0x40000000 0 0x80000000>;
	};

	reg_usdhc2_vqmmc: regulator-usdhc2-vqmmc {
		compatible = "regulator-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usdhc2_vqmmc>;
		regulator-name = "V_SD2";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
		states = <1800000 0x1>,
			 <3300000 0x0>;
		vin-supply = <&ldo5_reg>;
		status = "disabled";
	};
};

&A53_0 {
	cpu-supply = <&buck2_reg>;
};

&easrc {
	status = "okay";
};

&flexspi {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_flexspi0>;
	status = "okay";

	flash0: flash@0 {
		reg = <0>;
		compatible = "jedec,spi-nor";
		spi-max-frequency = <80000000>;
		spi-tx-bus-width = <1>;
		spi-rx-bus-width = <4>;
		vcc-supply = <&buck5_reg>;

		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;
		};
	};
};

&i2c1 {
	clock-frequency = <384000>;
	pinctrl-names = "default", "gpio";
	pinctrl-0 = <&pinctrl_i2c1>;
	pinctrl-1 = <&pinctrl_i2c1_gpio>;
	scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
	sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
	status = "okay";

Annotation

Implementation Notes