arch/arm64/boot/dts/freescale/imx8mm-emcon-avari.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-emcon-avari.dtsi
Extension
.dtsi
Size
2572 bytes
Lines
140
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) 2021 emtrion GmbH
// Author: Frank Erdrich <frank.erdrich@emtrion.com>
//

/ {
	aliases {
		boardid = &boardID;
		mmc0 = &usdhc1;
		mmc1 = &usdhc2;
	};

	chosen {
		stdout-path = &uart1;
	};

	reg_wall_5p0: regulator-wall5p0 {
		compatible = "regulator-fixed";
		regulator-name = "Main-Supply";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		regulator-boot-on;
	};

	reg_base3p3: regulator-base3p3 {
		compatible = "regulator-fixed";
		vin-supply = <&reg_wall_5p0>;
		regulator-name = "3V3-avari";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
		regulator-boot-on;
	};

	reg_base1p5: regulator-base1p5 {
		compatible = "regulator-fixed";
		vin-supply = <&reg_base3p3>;
		regulator-name = "1V5-avari";
		regulator-min-microvolt = <1500000>;
		regulator-max-microvolt = <1500000>;
		regulator-always-on;
		regulator-boot-on;
	};

	reg_usb_otg: regulator-otgvbus {
		compatible = "regulator-fixed";
		vin-supply = <&reg_wall_5p0>;
		regulator-name = "OTG_VBUS";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio1 8 GPIO_ACTIVE_LOW>;
		regulator-always-on;
	};

	clk_codec: clock-codec {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <12000000>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "SGTL5000-Card";
		simple-audio-card,format = "i2s";
		simple-audio-card,bitclock-master = <&codec_dai>;
		simple-audio-card,frame-master = <&codec_dai>;
		simple-audio-card,widgets = "Headphone", "Headphone Jack";
		simple-audio-card,routing = "Headphone Jack", "HP_OUT";

Annotation

Implementation Notes