[PATCH 3/9] Doc/DT: Add DT binding documentation for DVI Connector

Tomi Valkeinen tomi.valkeinen at ti.com
Tue Mar 11 04:04:21 EDT 2014

On 11/03/14 10:00, Geert Uytterhoeven wrote:
> On Tue, Mar 11, 2014 at 7:39 AM, Tomi Valkeinen <tomi.valkeinen at ti.com> wrote:
>> On 10/03/14 23:45, Rob Herring wrote:
>>> I like this proposal over the others. Although, would dual link be a
>> I don't like inferring the information. With the above, you can't find
>> out that the DVI connector has digital and analog support before all the
>> drivers are loaded.
>>> single endpoint or 2 endpoints? How would you differentiate that?
>> Hmm, well endpoints for a single port are exclusive. So it's either a
>> single port and a single endpoint, or two ports and two endpoints. I
>> think dual link has to be single port & endpoint, as the TMDS links need
>> to be driven together as a single bus.
>> And dual-link is not really "two links". DVI dual-link means 1 clock
>> lane and 6 data lanes, compared to 1 clock lane and 3 data lanes for
>> single-link.
> What about having a property for the number of data lanes?

That was already suggested by Philipp in this thread. I don't see
anything wrong with that, but I don't really see benefit either.
"dual-link" is a standard term for 6 data lanes for the DVI connector.
And the choices are 3 or 6 data lanes, nothing else.


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