arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts
Extension
.dts
Size
11480 bytes
Lines
399
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 2023 Emtop Embedded Solutions
 *
 * Author: Himanshu Bhavani <himanshu.bhavani@siliconsignals.io>
 * Author: Tarang Raval <tarang.raval@siliconsignals.io>
 */

/dts-v1/;

#include "imx8mm-emtop-som.dtsi"

/ {
	model = "Emtop Embedded Solutions i.MX8M Mini Baseboard V1";
	compatible = "ees,imx8mm-emtop-baseboard", "ees,imx8mm-emtop-som",
		"fsl,imx8mm";

	connector {
		compatible = "usb-c-connector";
		label = "USB-C";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usb_otg>;
		id-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;

		port {
			high_speed_ep: endpoint {
				remote-endpoint = <&usb_hs_ep>;
			};
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_led>;

		led-1 {
		        label = "buzzer";
		        gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>;
		        default-state = "off";
		};
	};

	osc_can: clock-osc-can {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <16000000>;
		clock-output-names = "osc-can";
	};

	reg_audio: regulator-audio {
	        compatible = "regulator-fixed";
	        regulator-name = "wm8904_supply";
	        regulator-min-microvolt = <1800000>;
	        regulator-max-microvolt = <1800000>;
	        regulator-always-on;
	};

	reg_wifi_vmmc: regulator-wifi-vmmc {
		compatible = "regulator-fixed";
		regulator-name = "vmmc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 10 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		startup-delay-us = <100>;
		off-on-delay-us = <20000>;
	};

	sound-wm8904 {

Annotation

Implementation Notes