Thread (1 message) 1 message, 1 author, 2017-02-06

Re: [PATCHv2] dt: bindings: Add support for CSI1 bus

From: Pavel Machek <hidden>
Date: 2017-02-06 09:53:25
Also in: linux-media

Hi!
quoted
 - bus-type: data bus type. Possible values are:
-  0 - MIPI CSI2
-  1 - parallel / Bt656
-  2 - MIPI CSI1
-  3 - CCP2
+  0 - autodetect based on other properties (MIPI CSI2, parallel, Bt656)
In the meantime, I also realised that we need to separate MIPI C-PHY and
D-PHY from each other. So I think we'll need that property for CSI-2
nevertheless. How about:

0 - autodetect based on other properties (MIPI CSI-2 D-PHY, parallel or Bt656)
1 - MIPI CSI-2 C-PHY
2 - MIPI CSI1
3 - CCP2 

I wouldn't add a separate entry for the parallel case as there are plenty of
existing DT binaries with parallel interface configuration without phy-type
property. They will need to be continue to be supported anyway, so there's
not too much value in adding a type for that purpose.

I do find this a bit annoying; we should have had something like phy-type
from day one rather than try to guess which phy is being used...
Ok, v3 is in the mail. 

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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