Re: USB3-OTG on OMAP5EVM (and Pyra)

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Nikolaus,

On 29/11/18 12:00, H. Nikolaus Schaller wrote:
> Hi,
> I finally got some USB3 OTG cable (said to be compatible with Samsung Galaxy Note 3).
> Unfortunately devices do not enumerate (don't show up in lsusb -t) and don't even
> fall back to USB2 speed.
> If I use a pure USB2 OTG cable all devices work in USB2 mode.
> 
> This is all the same on OMAP5EVM and Pyra.
> 
> Is this known or does USB3-OTG work for someone?

I can give it a try. Do you have any patches to enable the VBUS regulator on omap5-uevm?

> Is this repeatable or just a problem of my setup (e.g. bad cables)?

At least on dra7-evm I had a lot of trouble with many of the 3.0 OTG cables.
The one I have working doesn't ground the ID pin. But I can use the J10 jumper to
manually ground ID on the omap5-uevm.

> Is there a fix?
> 
> BR and thanks,
> Nikolaus
> 

cheers,
-roger

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