arch/arm64/boot/dts/freescale/imx8mm-verdin-dev.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-verdin-dev.dtsi
Extension
.dtsi
Size
2614 bytes
Lines
166
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
 */

/ {
	sound_card: sound-card {
		compatible = "simple-audio-card";
		simple-audio-card,bitclock-master = <&dailink_master>;
		simple-audio-card,format = "i2s";
		simple-audio-card,frame-master = <&dailink_master>;
		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";

		dailink_master: simple-audio-card,codec {
			clocks = <&clk IMX8MM_CLK_SAI2_ROOT>;
			sound-dai = <&nau8822_1a>;
		};

		simple-audio-card,cpu {
			sound-dai = <&sai2>;
		};
	};
};

/* Verdin SPI_1 */
&ecspi2 {
	status = "okay";
};

/* EEPROM on display adapter boards */
&eeprom_display_adapter {
	status = "okay";
};

/* EEPROM on Verdin Development board */
&eeprom_carrier_board {
	status = "okay";
};

&fec1 {
	status = "okay";
};

/* Verdin QSPI_1 */
&flexspi {
	status = "okay";
};

/* Current measurement into module VCC */
&hwmon {
	status = "okay";
};

Annotation

Implementation Notes