arch/arm64/boot/dts/freescale/imx8mq-sr-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mq-sr-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mq-sr-som.dtsi
Extension
.dtsi
Size
7682 bytes
Lines
318
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 Jon Nettleton <jon@solid-run.com>
 */

#include "imx8mq.dtsi"

/ {
	reg_vdd_3v3: regulator-vdd-3v3 {
		compatible = "regulator-fixed";
		regulator-always-on;
		regulator-name = "vdd_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};
};

&fec1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec1>;
	phy-mode = "rgmii-id";
	phy-handle = <&ethphy0>;
	fsl,magic-packet;
	status = "okay";

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

		ethphy0: ethernet-phy@4 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <4>;
			reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
			reset-assert-us = <2000>;
		};
	};
};

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

	pmic: pmic@8 {
		compatible = "fsl,pfuze100";
		reg = <0x08>;

		regulators {
			sw1a_reg: sw1ab {
				regulator-min-microvolt = <300000>;
				regulator-max-microvolt = <1875000>;
			};

			sw1c_reg: sw1c {
				regulator-min-microvolt = <300000>;
				regulator-max-microvolt = <1875000>;
			};

			sw2_reg: sw2 {
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3300000>;
				regulator-always-on;
			};

			sw3a_reg: sw3ab {
				regulator-min-microvolt = <400000>;
				regulator-max-microvolt = <1975000>;
				regulator-always-on;
			};

Annotation

Implementation Notes