arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi
Extension
.dtsi
Size
17624 bytes
Lines
675
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 2019 NXP
 * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>
 */

#include "imx8mm.dtsi"

/ {
	model = "Variscite VAR-SOM-MX8MM module";

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

	clk40m: oscillator {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <40000000>;
		clock-output-names = "can_osc";
	};

	reg_audio_supply: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "wm8904-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	reg_eth_phy: regulator-eth-phy {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_eth_phy>;
		regulator-name = "eth_phy_pwr";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 9 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_phy_vddio: regulator-phy-vddio {
		compatible = "regulator-fixed";
		regulator-name = "vddio-1v8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,bitclock-master = <&codec_dai>;
		simple-audio-card,format = "i2s";
		simple-audio-card,frame-master = <&codec_dai>;
		simple-audio-card,mclk-fs = <256>;
		simple-audio-card,name = "wm8904-audio";
		simple-audio-card,routing =
			"Headphone Jack", "HPOUTL",
			"Headphone Jack", "HPOUTR",
			"IN2L", "Line In Jack",
			"IN2R", "Line In Jack",
			"IN1L", "Microphone Jack",
			"IN1R", "Microphone Jack";
		simple-audio-card,widgets =
			"Microphone", "Microphone Jack",
			"Headphone", "Headphone Jack",
			"Line", "Line In Jack";

		codec_dai: simple-audio-card,codec {
			sound-dai = <&wm8904>;

Annotation

Implementation Notes