arch/arm64/boot/dts/freescale/imx91-var-som-symphony.dts

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx91-var-som-symphony.dts
Extension
.dts
Size
11471 bytes
Lines
528
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 Symphony carrier board for VAR-SOM-MX91
 *
 * Link: https://variscite.com/carrier-boards/symphony-board/
 *
 * Copyright (C) 2026 Variscite Ltd. - https://www.variscite.com/
 *
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include "imx91-var-som.dtsi"

/{
	model = "Variscite VAR-SOM-MX91 on Symphony evaluation board";
	compatible = "variscite,var-som-mx91-symphony",
		     "variscite,var-som-mx91", "fsl,imx91";

	aliases {
		ethernet0 = &eqos;
		ethernet1 = &fec;
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		gpio3 = &gpio4;
		gpio4 = &pca9534;
		gpio5 = &pca6408;
		i2c0 = &lpi2c1;
		i2c1 = &lpi2c2;
		i2c2 = &lpi2c3;
		mmc0 = &usdhc1;
		mmc1 = &usdhc2;
		serial0 = &lpuart1;
		serial1 = &lpuart2;
		serial2 = &lpuart3;
		serial3 = &lpuart4;
		serial4 = &lpuart5;
	};

	chosen {
		stdout-path = &lpuart1;
	};

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

		key-back {
			label = "Back";
			gpios = <&pca9534 1 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_BACK>;
		};

		key-home {
			label = "Home";
			gpios = <&pca9534 2 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_HOME>;
		};

		key-menu {
			label = "Menu";
			gpios = <&pca9534 3 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_MENU>;
		};
	};

	gpio-leds {
		compatible = "gpio-leds";

Annotation

Implementation Notes