From: Peter Chen <hzpeterchen@gmail.com>
To: Stephen Boyd <stephen.boyd@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org, robh+dt@kernel.org,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
devicetree@vger.kernel.org
Subject: Re: [RFC/PATCH] usb: misc: Add a driver for TC7USB40MU
Date: Sat, 17 Sep 2016 08:20:55 +0800 [thread overview]
Message-ID: <20160917002055.GA10392@b29397-desktop> (raw)
In-Reply-To: <147398859894.4997.6486248242638696855@sboyd-linaro>
On Thu, Sep 15, 2016 at 06:16:38PM -0700, Stephen Boyd wrote:
>
> > For #3, it is not the
> > use case for this design. #3 is usually used for the single port which
> > needs to support switching role on the fly without disconnection.
> > So, you may only need to consider #2, you can't use extcon-usb-gpio.c
> > directly since you need to set one gpio to mux the dp/dm, Baolu Lu had
> > USB MUX patch set before which may satisfy your requirement. [1]
>
> Ok. Did the usb mux patches go anywhere? It seemed to get tangled up in
> DRD framework and I haven't been following along. I'll look into these
> patches more.
DRD framework is denied by Felipe due to only one user can be benefit
from it (chipidea OTG), I don't know the further status of USB MUX,
maybe you can ask for it.
--
Best Regards,
Peter Chen
next prev parent reply other threads:[~2016-09-17 0:20 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-14 1:42 [RFC/PATCH] usb: misc: Add a driver for TC7USB40MU Stephen Boyd
2016-09-14 3:32 ` Peter Chen
2016-09-14 5:58 ` Stephen Boyd
2016-09-14 8:03 ` Peter Chen
2016-09-14 8:45 ` Stephen Boyd
2016-09-15 9:01 ` Peter Chen
2016-09-16 1:16 ` Stephen Boyd
2016-09-17 0:20 ` Peter Chen [this message]
2016-09-14 8:55 ` Stephen Boyd
2016-09-17 1:16 ` Peter Chen
2016-09-22 18:51 ` Stephen Boyd
2016-09-26 3:29 ` Peter Chen
2016-09-26 18:44 ` Stephen Boyd
2016-09-27 4:53 ` Peter Chen
2016-09-27 21:25 ` Stephen Boyd
2016-09-23 14:35 ` Rob Herring
2016-09-26 18:59 ` Stephen Boyd
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