fsl-lx2160a.dtsi has the default “host” in dr_mode of both usb0 and usb1. can we use either otg or device modes with either usb0 or usb1? do we just change the dr_mode field to “device” or “otg” and that’s it, or is anything else needed? if we choose otg - do we have to make sure we use a USB cab…

You can only use the bottom rear port as an device port as the other ports go through USB hubs so device mode isn’t possible. Just changing the dr_mode should be enough. You should not need a special USB cable since the board only has type A connectors so there is no OTG detection possible. The co…

There are two USB type A connectors on the ClearFrog CX - I think the top is usb0 and the bottom is usb1 (both of which are defined in fsl-lx2160a.dtsi). Do you mean one of those ports can be used as a device port? or something else? I don’t see any other port, except the two micro ports which are t…

Yes only the bottom USB-A connector can be used in device mode. It will require a USB-A to USB-C cable to a USB-C port, or that same cable with a USB-C female to USB-A adapter to plug into a standard USB-A port

Thanks! And just to be sure - that bottom USB-A connector correlates with “usb1”, the 2nd entry in fsl-lx2160a.dtsi?

The bottom port correlates to usb0, usb1 is connected to the onboard hubs on the CEX7 module.

USB OTG / device

NXP LX2160

joema December 9, 2023, 8:04am 7

Thank you!

Topic		Replies	Views
How to enable USB OTG functionality on Hummingboard Pulse? NXP i.MX8M Plus iMX8M-plus	3	512	September 3, 2025
Configuring USB as device	0	121	February 9, 2024
Configure USB 2.0 as slave / device NXP i.MX8M Plus iMX8M-plus	1	192	March 4, 2024
Lx2160a data sheet and lx2k com board usb implementation issue NXP LX2160	6	257	June 25, 2023
Clearfog CX LX2 firmware NXP LX2160	1	334	July 25, 2022

USB OTG / device

Related topics