On 28/02/14 18:23, Russell King - ARM Linux wrote: >> I guess the compatible string is the easiest way for differentation, at >> least for the three main types, i.e. "dvi-d-connector" etc. >> >> "dvi-d-1l-connector" and "dvi-d-2l-connector" for the single/dual link? >> That looks a bit funny. > > I think that starts getting a tad messy: > > dvi-a-connector > dvi-d-1l-connector > dvi-d-2l-connector > dvi-i-1l-connector > dvi-i-2l-connector Yes, it's messy. Pondering this over the weekend, I think it makes sense to have just one compatible string, as all those connectors are still the same DVI connector, just different variations of the same. > That's rather a lot of compatible strings. Another possibility is: > > compatible = "dvi-connector"; > analog; > digital; > single-link; > dual-link; > > I'm debating whether "-signalling" should be on the 2nd and 3rd (or... > -signaling depending on how you prefer to spell that word.) At least > one of "analog" and/or "digital" must be specified, and if "digital" > is specified, then exactly one of "single-link" or "dual-link" should > be specified. > > So, this would mean we end up with: > > compatible = "dvi-connector"; > analog; > digital; > dual-link; > > for a DVI-I dual-link connector. Another option would be: num-links = 2; But I like your suggestion more. We could also optimize it, "digital" is extra as both "single-link" and "dual-link" mean also digital. But... I don't see much point in optimizing that way. So I agree with your suggestion as is. Tomi
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