arch/arm64/boot/dts/freescale/imx8mp-ultra-mach-sbc.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-ultra-mach-sbc.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-ultra-mach-sbc.dts
Extension
.dts
Size
21369 bytes
Lines
908
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) 2025 Ultratronik
 */

/dts-v1/;

#include <dt-bindings/usb/pd.h>
#include "imx8mp.dtsi"

/ {
	model = "NXP i.MX8MPlus Ultratronik MMI_A53 board";
	compatible = "ultratronik,imx8mp-ultra-mach-sbc", "fsl,imx8mp";

	aliases {
		ethernet0 = &fec;
		ethernet1 = &eqos;
		rtc0 = &hwrtc;
		rtc1 = &snvs_rtc;
	};

	chosen {
		stdout-path = &uart2;
	};

	gpio-sbu-mux {
		compatible = "nxp,cbdtu02043", "gpio-sbu-mux";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_sbu_mux>;
		select-gpios = <&gpio4 20 GPIO_ACTIVE_HIGH>;
		enable-gpios = <&gpio2 20 GPIO_ACTIVE_HIGH>;
		orientation-switch;

		port {
			usb3_data_ss: endpoint {
				remote-endpoint = <&typec_con_ss>;
			};
		};
	};

	gpio-keys {
		compatible = "gpio-keys";

		button-0 {
			gpios = <&gpio4 27 GPIO_ACTIVE_LOW>; /* Wakeup */
			label = "Wakeup";
			linux,code = <KEY_WAKEUP>;
			pinctrl-0 = <&pinctrl_gpio_key_wakeup>;
			pinctrl-names = "default";
			wakeup-source;
		};
	};

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

		led1 {
			label = "red";
			gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};

		led2 {
			label = "green";
			gpios = <&gpio4 25 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};

Annotation

Implementation Notes