Messages in this thread | | | Date | Thu, 30 Apr 2015 16:51:12 +0800 | From | Peter Chen <> | Subject | Re: [PATCH] ARM: dts: imx5: Add dts files for USB armory. |
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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@freescale.com> 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
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Best Regards, Peter Chen
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