arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi
Extension
.dtsi
Size
8179 bytes
Lines
334
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 (C) 2020 PHYTEC Messtechnik GmbH
 */

#include <dt-bindings/net/ti-dp83867.h>
#include "imx8mp.dtsi"

/ {
	model = "PHYTEC phyCORE-i.MX8MP";
	compatible = "phytec,imx8mp-phycore-som", "fsl,imx8mp";

	aliases {
		rtc0 = &rv3028;
		rtc1 = &snvs_rtc;
	};

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

	reg_vdd_io: regulator-vdd-io {
		compatible = "regulator-fixed";
		regulator-always-on;
		regulator-boot-on;
		regulator-max-microvolt = <3300000>;
		regulator-min-microvolt = <3300000>;
		regulator-name = "VDD_IO";
	};

	reg_vdd_1v8: regulator-vdd-1v8 {
		compatible = "regulator-fixed";
		regulator-max-microvolt = <1800000>;
		regulator-min-microvolt = <1800000>;
		regulator-name = "VDD_1V8";
	};
};

&A53_0 {
	cpu-supply = <&buck2>;
};

&A53_1 {
	cpu-supply = <&buck2>;
};

&A53_2 {
	cpu-supply = <&buck2>;
};

&A53_3 {
	cpu-supply = <&buck2>;
};

/* ethernet 1 */
&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec>;
	phy-handle = <&ethphy1>;
	phy-mode = "rgmii-id";
	fsl,magic-packet;
	status = "okay";

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

		ethphy1: ethernet-phy@0 {
			compatible = "ethernet-phy-ieee802.3-c22";

Annotation

Implementation Notes