arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
Extension
.dtsi
Size
9979 bytes
Lines
428
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+
/*
 * Copyright 2021 Collabora Ltd.
 * Copyright 2021 BSH Hausgeraete GmbH
 */

/dts-v1/;

#include "imx8mn.dtsi"
#include "imx8mn-bsh-smm-s2-display.dtsi"

/ {
	chosen {
		stdout-path = &uart4;
	};

	fec_supply: fec-supply-en {
		compatible = "regulator-fixed";
		vin-supply = <&buck4_reg>;
		regulator-name = "tja1101_en";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 20 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	usdhc2_pwrseq: usdhc2-pwrseq {
		compatible = "mmc-pwrseq-simple";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usdhc2_pwrseq>;
		reset-gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
	};
};

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

&A53_1 {
	cpu-supply = <&buck2_reg>;
};

&A53_2 {
	cpu-supply = <&buck2_reg>;
};

&A53_3 {
	cpu-supply = <&buck2_reg>;
};

&ecspi2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_espi2>;
	status = "okay";
};

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

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

		ethphy0: ethernet-phy@0 {

Annotation

Implementation Notes