arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts
Extension
.dts
Size
10996 bytes
Lines
481
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)
/*
 * Variscite Sonata carrier board for DART-MX91
 *
 * Link: https://variscite.com/carrier-boards/sonata-board/
 *
 * Copyright (C) 2025 Variscite Ltd. - https://www.variscite.com/
 *
 */

/dts-v1/;

#include "imx91-var-dart.dtsi"

/ {
	model = "Variscite DART-MX91 on Sonata-Board";
	compatible = "variscite,var-dart-mx91-sonata",
		     "variscite,var-dart-mx91",
		     "fsl,imx91";

	aliases {
		ethernet0 = &eqos;
		ethernet1 = &fec;
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		i2c0 = &lpi2c1;
		i2c1 = &lpi2c2;
		i2c2 = &lpi2c3;
		mmc0 = &usdhc1;
		mmc1 = &usdhc2;
		serial0 = &lpuart1;
		serial1 = &lpuart2;
		serial2 = &lpuart3;
		serial3 = &lpuart4;
		serial4 = &lpuart5;
		serial5 = &lpuart6;
	};

	chosen {
		stdout-path = &lpuart1;
	};

	gpio-keys {
		compatible = "gpio-keys";

		button-home {
			label = "Home";
			linux,code = <KEY_HOME>;
			gpios = <&pca6408_1 4 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		button-up {
			label = "Up";
			linux,code = <KEY_UP>;
			gpios = <&pca6408_1 5 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		button-down {
			label = "Down";
			linux,code = <KEY_DOWN>;
			gpios = <&pca6408_1 6 GPIO_ACTIVE_LOW>;
			wakeup-source;
		};

		button-back {
			label = "Back";
			linux,code = <KEY_BACK>;

Annotation

Implementation Notes