arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi
Extension
.dtsi
Size
7728 bytes
Lines
321
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 X11
/*
 * Device Tree Include file for TQ-Systems TQMa7x boards with full mounted PCB.
 *
 * Copyright (C) 2016 TQ-Systems GmbH
 * Author: Markus Niebel <Markus.Niebel@tq-group.com>
 * Copyright (C) 2019 Bruno Thomsen <bruno.thomsen@gmail.com>
 */

/ {
	memory@80000000 {
		device_type = "memory";
		/* 512 MB - default configuration */
		reg = <0x80000000 0x20000000>;
	};
};

&cpu0 {
	cpu-supply = <&sw1a_reg>;
};

&gpio2 {
	/* Configured as pullup by QSPI pin group */
	qspi-reset-hog {
		gpio-hog;
		gpios = <4 GPIO_ACTIVE_LOW>;
		input;
		line-name = "qspi-reset";
	};
};

&i2c1 {
	pinctrl-names = "default", "gpio";
	pinctrl-0 = <&pinctrl_i2c1>;
	pinctrl-1 = <&pinctrl_i2c1_recovery>;
	scl-gpios = <&gpio4 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
	sda-gpios = <&gpio4 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
	clock-frequency = <100000>;
	status = "okay";

	pfuze3000: pmic@8 {
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic1>;
		compatible = "fsl,pfuze3000";
		reg = <0x08>;

		regulators {
			sw1a_reg: sw1a {
				regulator-min-microvolt = <700000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <6250>;
			};

			/* use sw1c_reg to align with pfuze100/pfuze200 */
			sw1c_reg: sw1b {
				regulator-min-microvolt = <700000>;
				regulator-max-microvolt = <1475000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <6250>;
			};

			sw2_reg: sw2 {
				regulator-min-microvolt = <1500000>;
				regulator-max-microvolt = <1850000>;
				regulator-boot-on;
				regulator-always-on;
			};

Annotation

Implementation Notes