[PATCH v4 10/20] tegra: fdt: Add additional USB binding

[Olof Johansson]

On Wed, Jan 18, 2012 at 10:59 PM, Simon Glass <sjg at chromium.org> wrote:
> Hi Olof,
>
> On Wed, Jan 18, 2012 at 10:41 PM, Olof Johansson <olof at lixom.net> wrote:
>> Hi,
>>
>> On Wed, Jan 18, 2012 at 9:55 PM, Simon Glass <sjg at chromium.org> wrote:
>>
>>>> fsl-usb.txt uses "dr_mode" here, which might make sense to reuse given some of
>>>> the shared IP in question for device mode:
>>>>
>>>>  - dr_mode : indicates the working mode for "fsl-usb2-dr" compatible
>>>>   controllers.  Can be "host", "peripheral", or "otg".  Default to
>>>>   "host" if not defined for backward compatibility.
>>>
>>> What does 'dr' mean?
>>
>> After some searching, it looks like it means "dual-role", which seems
>> appropriate terminology for the tegra SoC as well.
>
> Thanks for looking that up.
>
> Well maybe, but it could mean data reverse mode or distinctive
> ring...I like Stephen's nice device-tree-friendly naming and
> explanation :-) Are we stuck with this?

I think there's value in staying common with similar bindings on other
platforms, yes. Sorry. :)


-Olof