arch/arm64/boot/dts/freescale/imx8mm-icore-mx8mm.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mm-icore-mx8mm.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-icore-mx8mm.dtsi
Extension
.dtsi
Size
6101 bytes
Lines
233
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 MIT)
/*
 * Copyright (c) 2018 NXP
 * Copyright (c) 2019 Engicam srl
 * Copyright (c) 2020 Amarula Solutions(India)
 */

/ {
	compatible = "engicam,icore-mx8mm", "fsl,imx8mm";
};

&A53_0 {
	cpu-supply = <&reg_buck4>;
};

&A53_1 {
	cpu-supply = <&reg_buck4>;
};

&A53_2 {
	cpu-supply = <&reg_buck4>;
};

&A53_3 {
	cpu-supply = <&reg_buck4>;
};

&fec1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec1>;
	phy-mode = "rgmii-id";
	phy-handle = <&ethphy>;

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

		ethphy: ethernet-phy@3 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <3>;
			reset-gpios = <&gpio3 7 GPIO_ACTIVE_LOW>;
			reset-assert-us = <10000>;
		};
	};
};

&i2c1 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	pmic@8 {
		compatible = "nxp,pf8121a";
		reg = <0x08>;

		regulators {
			reg_ldo1: ldo1 {
				regulator-min-microvolt = <1500000>;
				regulator-max-microvolt = <5000000>;
				regulator-always-on;
				regulator-boot-on;
			};

			reg_ldo2: ldo2 {
				regulator-min-microvolt = <1500000>;
				regulator-max-microvolt = <5000000>;
				regulator-always-on;
				regulator-boot-on;
			};

Annotation

Implementation Notes