arch/arm64/boot/dts/freescale/imx8mp-hummingboard-pulse-common.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-hummingboard-pulse-common.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-hummingboard-pulse-common.dtsi
Extension
.dtsi
Size
8069 bytes
Lines
385
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 2025 Josua Mayer <josua@solid-run.com>
 */

#include <dt-bindings/leds/common.h>

/ {
	aliases {
		rtc0 = &carrier_rtc;
		rtc1 = &snvs_rtc;
	};

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

		led-0 {
			label = "D30";
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio5 28 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};

		led-1 {
			label = "D31";
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio4 24 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};

		led-2 {
			label = "D32";
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio4 23 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};

		led-3 {
			label = "D33";
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio4 21 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};

		led-4 {
			label = "D34";
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
			default-state = "on";
		};
	};

	rfkill-mpcie-wifi {
		/*
		 * The mpcie connector only has USB,
		 * therefore this rfkill is for cellular radios only.
		 */
		compatible = "rfkill-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&mpcie_rfkill_pins>;
		label = "mpcie radio";
		radio-type = "wwan";
		/* rfkill-gpio inverts internally */
		shutdown-gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
	};

	vmmc: regulator-mmc {
		compatible = "regulator-fixed";

Annotation

Implementation Notes