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

Stephen Warren swarren at nvidia.com
Thu Jan 19 18:33:19 CET 2012


Olof Johansson wrote at Thursday, January 19, 2012 12:13 AM:
> 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. :)

Ack from me too. If there's an existing convention, I'd prefer to stick
with it. Sorry, I should have looked this up before coming up with
something new.

-- 
nvpublic



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