arch/arm64/boot/dts/freescale/imx8mp-verdin-dev.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-verdin-dev.dtsi
Extension
.dtsi
Size
4240 bytes
Lines
274
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 2022 Toradex
 */

/ {
	native-hdmi-connector {
		compatible = "hdmi-connector";
		label = "X37";
		type = "a";

		port {
			native_hdmi_connector_in: endpoint {
				remote-endpoint = <&hdmi_tx_out>;
			};
		};
	};

	reg_eth2phy: regulator-eth2phy {
		compatible = "regulator-fixed";
		enable-active-high;
		gpio = <&gpio_expander_21 4 GPIO_ACTIVE_HIGH>; /* ETH_PWR_EN */
		off-on-delay-us = <500000>;
		regulator-max-microvolt = <3300000>;
		regulator-min-microvolt = <3300000>;
		regulator-name = "+V3.3_ETH";
		startup-delay-us = <200000>;
		vin-supply = <&reg_3p3v>;
	};

	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 = "verdin-nau8822";
		simple-audio-card,routing =
			"Headphones", "LHP",
			"Headphones", "RHP",
			"Speaker", "LSPK",
			"Speaker", "RSPK",
			"Line Out", "AUXOUT1",
			"Line Out", "AUXOUT2",
			"LAUX", "Line In",
			"RAUX", "Line In",
			"LMICP", "Mic In",
			"RMICP", "Mic In";
		simple-audio-card,widgets =
			"Headphones", "Headphones",
			"Line Out", "Line Out",
			"Speaker", "Speaker",
			"Microphone", "Mic In",
			"Line", "Line In";

		codec_dai: simple-audio-card,codec {
			clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1>;
			sound-dai = <&nau8822_1a>;
		};

		simple-audio-card,cpu {
			sound-dai = <&sai1>;
		};
	};
};

/* Verdin HDMI_1 Audio */
&aud2htx {
	status = "okay";
};

Annotation

Implementation Notes