Re: [PATCH] ARM: dts: imx5: Add dts files for USB armory.

From: Peter Chen
Date: Thu Apr 30 2015 - 04:54:43 EST


On Wed, Apr 29, 2015 at 11:22:11PM -0300, Fabio Estevam wrote:
> Hi Peter,
>
> On Tue, Apr 28, 2015 at 5:20 AM, Peter Chen <peter.chen@xxxxxxxxxxxxx> wrote:
>
> > Current chipidea usb driver supports role switch function well, if you
> > have a gpio or id pin for it.
>
> On mx6 we are able to perform OTG role-switch funtion as they have the
> OTG_ID pins.
>
> We are talking about mx53 here, which does not have such OTG_ID pins,
> so not sure how they can perform role-switch in run-time?
>

Using gpio as extcon, lvan is working on patch for that

http://www.spinics.net/lists/linux-usb/msg123903.html

--

Best Regards,
Peter Chen
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