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

[Tomi Valkeinen]

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.

> The port node seems a bit pointless.

There's another thread discussing the ports and endpoints.

The port node represents, for example, the pins for the connection for
that device. And an endpoint-endpoint link represents wires between two
ports.

 Tomi


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