arch/arm64/boot/dts/freescale/imx8mp-kontron-smarc-eval-carrier.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-kontron-smarc-eval-carrier.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-kontron-smarc-eval-carrier.dts
Extension
.dts
Size
4678 bytes
Lines
254
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 (C) 2024 Kontron Electronics GmbH
 */

/dts-v1/;

#include <dt-bindings/phy/phy-imx8-pcie.h>
#include "imx8mp-kontron-smarc.dtsi"

/ {
	model = "Kontron SMARC Eval Carrier with i.MX8MP";
	compatible = "kontron,imx8mp-smarc-eval-carrier", "kontron,imx8mp-smarc",
		     "kontron,imx8mp-osm-s", "fsl,imx8mp";

	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm1 0 50000 0>;
		brightness-levels = <0 100>;
		num-interpolated-steps = <100>;
		default-brightness-level = <100>;
		enable-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>;
	};

	extcon_usbc: usbc {
		compatible = "linux,extcon-usb-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usb1_id>;
		id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
	};

	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 = "imx8mp-wm8904";
		simple-audio-card,routing =
			"Headphone Jack", "HPOUTL",
			"Headphone Jack", "HPOUTR",
			"IN2L", "Line In Jack",
			"IN2R", "Line In Jack",
			"Headphone Jack", "MICBIAS",
			"IN1L", "Headphone Jack";
		simple-audio-card,widgets =
			"Microphone", "Headphone Jack",
			"Headphone", "Headphone Jack",
			"Line", "Line In Jack";

		codec_dai: simple-audio-card,codec {
			clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI3_MCLK1>;
			sound-dai = <&wm8904>;
		};

		simple-audio-card,cpu {
			sound-dai = <&sai3>;
		};
	};

	regulator_can0: can0-regulator {
		compatible = "regulator-fixed";
		regulator-name = "can0_en";
		gpio = <&expander_pm_out 6 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};

	regulator_can1: can1-regulator {
		compatible = "regulator-fixed";
		regulator-name = "can1_en";

Annotation

Implementation Notes