arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
Extension
.dts
Size
5623 bytes
Lines
221
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 2022,2026 NXP
 */

/dts-v1/;

#include "imx93.dtsi"
#include "imx93-11x11-evk-common.dtsi"

/ {
	model = "NXP i.MX93 11X11 EVK board";
	compatible = "fsl,imx93-11x11-evk", "fsl,imx93";

	aliases {
		mmc2 = &usdhc3;
	};

	reg_m2_pwr: regulator-m2-pwr {
		compatible = "regulator-fixed";
		regulator-name = "M.2-power";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&pcal6524 13 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	reg_usdhc3_vmmc: regulator-usdhc3 {
		compatible = "regulator-fixed";
		regulator-name = "WLAN_EN";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&reg_m2_pwr>;
		gpio = <&pcal6524 20 GPIO_ACTIVE_HIGH>;
		/*
		 * IW612 wifi chip needs more delay than other wifi chips to complete
		 * the host interface initialization after power up, otherwise the
		 * internal state of IW612 may be unstable, resulting in the failure of
		 * the SDIO3.0 switch voltage.
		 */
		startup-delay-us = <20000>;
		enable-active-high;
	};

	usdhc3_pwrseq: usdhc3_pwrseq {
		compatible = "mmc-pwrseq-simple";
		reset-gpios = <&pcal6524 12 GPIO_ACTIVE_LOW>;
	};

	bt_sco_codec: bt-sco-codec {
		compatible = "linux,bt-sco";
		#sound-dai-cells = <1>;
	};

	sound-bt-sco {
		compatible = "simple-audio-card";
		simple-audio-card,name = "bt-sco-audio";
		simple-audio-card,format = "dsp_a";
		simple-audio-card,bitclock-inversion;
		simple-audio-card,frame-master = <&btcpu>;
		simple-audio-card,bitclock-master = <&btcpu>;

		btcpu: simple-audio-card,cpu {
			sound-dai = <&sai1>;
			dai-tdm-slot-num = <2>;
			dai-tdm-slot-width = <16>;
		};

		simple-audio-card,codec {
			sound-dai = <&bt_sco_codec 1>;

Annotation

Implementation Notes