From mboxrd@z Thu Jan  1 00:00:00 1970
From: chunfeng yun <chunfeng.yun@mediatek.com>
Subject: Re: [PATCH 3/6] dt-bindings: mtu3: add devicetree bindings
Date: Fri, 13 May 2016 10:00:20 +0800
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Cc: Rob Herring <robh@kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Felipe Balbi <felipe.balbi@linux.intel.com>, Mathias Nyman <mathias.nyman@intel.com>, Alan Stern <stern@rowland.harvard.edu>, Mark Rutland <mark.rutland@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Matthias Brugger <matthias.bgg@gmail.com>, Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>, Pawel Moll <pawel.moll@arm.com>, Kumar Gala <galak@codeaurora.org>, Sascha Hauer <s.hauer@pengutronix.de>, Linus Walleij <linus.walleij@linaro.org>, Biao Huang <biao.huang@mediatek.com>, USB list <linux-usb@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-gpio@vger.kernel.org

Hi,

On Thu, 2016-05-12 at 19:02 -0400, Alan Cooper wrote:
> On Thu, May 12, 2016 at 3:24 AM, chunfeng yun <chunfeng.yun@mediatek.com> wrote:
> >> > + - mediatek,enable-manual-drd : supports manual dual-role switch by sysfs
> >> > +   interface; only used when receptacle is TYPE-A and also wants to support
> >> > +   dual-role mode.
> >>
> >> sysfs is a Linux detail that doesn't apply to the binding. Does the
> >> property mean "the IP block supports or doesn't support switching"  or
> >> "I want to enable switching feature". Only the former belongs in DT.
> >>
> > It is the former case, and has little relation with sysfs interface.
> > I will modify it later, sorry for my unclear description.
> 
> Could the property name be just "enable-manual-drd" instead of
> "mediatek,enable-manual-drd"? I expect to have to add this
> functionality to our USB driver in the near future.

Do you mean provide some APIs to in common USB driver?