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

From: [email-masked] (Peter Chen)
Date: Thu, 30 Apr 2015 16:51:12 +0800

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 <[email-masked]> 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