[PATCH 3/6] dt-bindings: mtu3: add devicetree bindings

Rob Herring robh at kernel.org
Thu May 12 20:09:08 PDT 2016


On Thu, May 12, 2016 at 9:00 PM, chunfeng yun <chunfeng.yun at mediatek.com> wrote:
> 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 at 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?

Probably, but first just put the property in a common binding doc.

Rob



More information about the linux-arm-kernel mailing list