Re: [PATCH 7/9] OMAP: Devkit8000: Fix wrong usb port on Devkit8000

[Thomas Weber <thomas.weber.linux@googlemail.com>]

On 30.03.2010 08:29, Gadiyar, Anand wrote:
> Thomas Weber wrote:
>   
>> Hi,
>> I tried to find some users but they are in holiday for a longer time or
>> didn't respond.
>>
>> I will try to explain the problem why I disabled the usb-port2.
>> The devkit8000 has only one mini-usb-port and one usb-host port like the
>> beagleboard. The usb2-port on the devkit8000 has some gpios attached for
>> mmc and touchscreen. Thatswhy the mmc was not working, when the usb-ehci
>> was enabled on this port.
>>
>> The beagleboard has also only one usb-host exposed, but there is no
>> other thing connected to the not exposed usb-port.
>>     
> Yup, I've been bitten by this before on other boards. Marking the
> wrong port as an EHCI port will result in 12 pads being put in the
> wrong mux-mode straight away, due to the padconf settings we do in
> usb-ehci.c. With 12-pads, there's a very high chance that you lose
> other functionality.
>
> The patch has my ack.
>
> Is there a link to the schematics somewhere, so the next time we
> see something like this, we can just use those as reference?
>
>
>   
Hi,

the schematics are on my desk, and I wrote an email to TimLL if they are
freely available. No answer until now.

Thomas