arch/arm64/boot/dts/freescale/imx8mq-hummingboard-pulse.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mq-hummingboard-pulse.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mq-hummingboard-pulse.dts
Extension
.dts
Size
6093 bytes
Lines
265
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) 2018 Jon Nettleton <jon@solid-run.com>
 */

/dts-v1/;

#include "dt-bindings/usb/pd.h"
#include "imx8mq-sr-som.dtsi"

/ {
	model = "SolidRun i.MX8MQ HummingBoard Pulse";
	compatible = "solidrun,hummingboard-pulse", "fsl,imx8mq";

	chosen {
		stdout-path = &uart1;
	};

	reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usdhc2_vmmc>;
		regulator-name = "VSD_3V3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio1 13 GPIO_ACTIVE_LOW>;
	};

	reg_v_5v0: regulator-v-5v0 {
		compatible = "regulator-fixed";
		regulator-name = "v_5v0";
		regulator-max-microvolt = <5000000>;
		regulator-min-microvolt = <5000000>;
		regulator-always-on;
	};
};

&i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	clock-frequency = <100000>;
	status = "okay";

	typec_ptn5100: usb-typec@50 {
		compatible = "nxp,ptn5110", "tcpci";
		reg = <0x50>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_typec>;
		interrupt-parent = <&gpio1>;
		interrupts = <6 IRQ_TYPE_LEVEL_LOW>;

		connector {
			compatible = "usb-c-connector";
			label = "USB-C";
			data-role = "dual";
			power-role = "dual";
			try-power-role = "sink";
			source-pdos = <PDO_FIXED(5000, 2000,
						 PDO_FIXED_USB_COMM |
						 PDO_FIXED_SUSPEND |
						 PDO_FIXED_EXTPOWER)>;
			sink-pdos = <PDO_FIXED(5000, 2000,
					       PDO_FIXED_USB_COMM |
					       PDO_FIXED_SUSPEND |
					       PDO_FIXED_EXTPOWER)
				     PDO_FIXED(9000, 2000,
					       PDO_FIXED_USB_COMM |
					       PDO_FIXED_SUSPEND |
					       PDO_FIXED_EXTPOWER)>;
			op-sink-microwatt = <9000000>;

Annotation

Implementation Notes