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From: Peter Chen <peter.chen@freescale.com>
To: Fabio Estevam <festevam@gmail.com>
Cc: Shawn Guo <shawn.guo@linaro.org>,
	Vagrant Cascadian <vagrant@debian.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Russell King <linux@arm.linux.org.uk>,
	Sascha Hauer <kernel@pengutronix.de>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] ARM: dts: imx5: Add dts files for USB armory.
Date: Thu, 30 Apr 2015 16:51:12 +0800	[thread overview]
Message-ID: <20150430085111.GB12957@shlinux2> (raw)
In-Reply-To: <CAOMZO5B5bAXhvdv_MUBL9DoMvfv0p25B6eGMLbO1pJuK8HFLVA@mail.gmail.com>

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

-- 

Best Regards,
Peter Chen

      reply	other threads:[~2015-04-30  8:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-27 20:23 [PATCH] ARM: dts: imx5: Add dts files for USB armory Vagrant Cascadian
2015-04-27  8:14 ` Shawn Guo
2015-04-27 20:48   ` Vagrant Cascadian
     [not found]     ` <87y4ldnvqd.fsf-LkDtOWtB3X7R7s880joybQ@public.gmane.org>
2015-05-13 17:53       ` Vagrant Cascadian
     [not found]         ` <87vbfwe547.fsf-LkDtOWtB3X7R7s880joybQ@public.gmane.org>
2015-05-13 18:08           ` Fabio Estevam
2015-04-27 11:57 ` Shawn Guo
2015-04-27 13:37   ` Andrej Rosano
     [not found]     ` <20150427133708.GC11598-GPwhfZ5g21+KIOzWgp228laTQe2KTcn/@public.gmane.org>
2015-04-28  8:20       ` Peter Chen
2015-04-30  2:22         ` Fabio Estevam
2015-04-30  8:51           ` Peter Chen [this message]

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