Hi! > > --- a/Documentation/devicetree/bindings/media/video-interfaces.txt > > +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt > > @@ -76,6 +76,11 @@ Optional endpoint properties > > mode horizontal and vertical synchronization signals are provided to the > > slave device (data source) by the master device (data sink). In the master > > mode the data source device is also the source of the synchronization signals. > > +- bus-type: data bus type. Possible values are: > > + 0 - MIPI CSI2 > > + 1 - parallel / Bt656 > > + 2 - MIPI CSI1 > > + 3 - CCP2 > > Actually, thinking about this again --- we only need to explictly specify > busses if we're dealing with either CCP2 or CSI-1. The vast majority of the > actual busses are and continue to be CSI-2 or either parallel or Bt.656. As > they can be implicitly detected, we would have an option to just drop values > 0 and 1 from above, i.e. only leave CSI-1 and CCP2. For now, specifying > CSI-2 or parallel / Bt.656 adds no value as the old DT binaries without > bus-type will need to be supported anyway. Hmm. "Just deleting the others" may be a bit confusing... but what about this? It explains what we can autodetect. Best regards, Pavel diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt index 08c4498..d54093b 100644 --- a/Documentation/devicetree/bindings/media/video-interfaces.txt +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt @@ -77,10 +77,10 @@ Optional endpoint properties slave device (data source) by the master device (data sink). In the master mode the data source device is also the source of the synchronization signals. - 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) + 1 - MIPI CSI1 + 2 - CCP2 + Autodetection is default, and bus-type property may be omitted in that case. - bus-width: number of data lines actively used, valid for the parallel busses. - data-shift: on the parallel data busses, if bus-width is used to specify the number of data lines, data-shift can be used to specify which data lines are -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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