arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
Extension
.dts
Size
10606 bytes
Lines
514
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 2021 NXP
 * Copyright 2023 Variscite Ltd.
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include "imx93-var-som.dtsi"

/{
	model = "Variscite VAR-SOM-MX93 on Symphony evaluation board";
	compatible = "variscite,var-som-mx93-symphony",
		     "variscite,var-som-mx93", "fsl,imx93";

	aliases {
		ethernet0 = &eqos;
		ethernet1 = &fec;
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		gpio3 = &gpio4;
		gpio4 = &pca9534;
		i2c0 = &lpi2c1;
		i2c1 = &lpi2c2;
		i2c2 = &lpi2c3;
		i2c3 = &lpi2c4;
		i2c4 = &lpi2c5;
		mmc0 = &usdhc1;
		mmc1 = &usdhc2;
		serial0 = &lpuart1;
		serial1 = &lpuart2;
		serial2 = &lpuart3;
		serial3 = &lpuart4;
		serial4 = &lpuart5;
		serial5 = &lpuart6;
		serial6 = &lpuart7;
	};


	chosen {
		stdout-path = &lpuart1;
	};

	/*
	 * Needed only for Symphony <= v1.5
	 */
	reg_fec_phy: regulator-fec-phy {
		compatible = "regulator-fixed";
		regulator-name = "fec-phy";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-enable-ramp-delay = <20000>;
		gpio = <&pca9534 7 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};

	reg_usdhc2_vmmc: regulator-usdhc2 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
		regulator-name = "VSD_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 18 GPIO_ACTIVE_HIGH>;
		off-on-delay-us = <20000>;
		enable-active-high;
	};

Annotation

Implementation Notes