[U-Boot] [Question][i.MX6q] Is it possible to configure and use the USB-OTG as EHCI host only?

Fabio Estevam festevam at gmail.com
Wed Mar 13 22:15:37 CET 2013


On Wed, Mar 13, 2013 at 6:13 PM, Rafał Fabich <rafal.fabich at gmail.com> wrote:
> Hi,
>
> On Wed, Mar 13, 2013 at 5:33 PM, Eric Nelson
> <eric.nelson at boundarydevices.com> wrote
>>
>> Got patch?
>
> On Wed, Mar 13, 2013 at 5:32 PM, Fabio Estevam <festevam at gmail.com> wrote:
>>
>> Care to submit a patch for this?
>
> Yes, I would like to do that, but first I have to do some more testing
> (ie. the ext2 partition, etc). Anyway, before I submit the patch, I
> would like to ask one question:
> My current implementation does not support the OTG in Device mode. It
> only provides the OTG controller instead of Host1 as the lowest layer
> for the EHCI driver. So, basically it is a fixed host-only solution
> that uses the OTG port. Is it enough for the patch? :)

Should be fine, you can explain it in the commit log.

We do not have udc support for i,mx in U-boot yet, so working in host
mode is all we can do at the moment.

Thanks,

Fabio Estevam


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