arch/arm64/boot/dts/freescale/imx8mp-toradex-smarc-dev.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-toradex-smarc-dev.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-toradex-smarc-dev.dts
Extension
.dts
Size
5072 bytes
Lines
305
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 (C) 2025 Toradex */

/dts-v1/;

#include <dt-bindings/pwm/pwm.h>

#include "imx8mp-toradex-smarc.dtsi"

/ {
	model = "Toradex SMARC iMX8M Plus on Toradex SMARC Development Board";
	compatible = "toradex,smarc-imx8mp-dev",
		     "toradex,smarc-imx8mp",
		     "fsl,imx8mp";

	hdmi-connector {
		compatible = "hdmi-connector";
		label = "J64";
		type = "a";

		port {
			native_hdmi_connector_in: endpoint {
				remote-endpoint = <&hdmi_tx_out>;
			};
		};
	};

	reg_carrier_1p8v: regulator-carrier-1p8v {
		compatible = "regulator-fixed";
		regulator-max-microvolt = <1800000>;
		regulator-min-microvolt = <1800000>;
		regulator-name = "On-carrier 1V8";
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,bitclock-master = <&codec_dai>;
		simple-audio-card,format = "i2s";
		simple-audio-card,frame-master = <&codec_dai>;
		simple-audio-card,mclk-fs = <256>;
		simple-audio-card,name = "tdx-smarc-wm8904";
		simple-audio-card,routing =
			"Headphone Jack", "HPOUTL",
			"Headphone Jack", "HPOUTR",
			"IN2L", "Line In Jack",
			"IN2R", "Line In Jack",
			"Microphone Jack", "MICBIAS",
			"IN1L", "Microphone Jack";
		simple-audio-card,widgets =
			"Microphone", "Microphone Jack",
			"Headphone", "Headphone Jack",
			"Line", "Line In Jack";

		codec_dai: simple-audio-card,codec {
			clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI1_MCLK1>;
			sound-dai = <&wm8904_1a>;
		};

		simple-audio-card,cpu {
			sound-dai = <&sai1>;
		};
	};
};

&aud2htx {
	status = "okay";
};

/* SMARC SPI0 */
&ecspi1 {

Annotation

Implementation Notes