Hi, On Wed, Jan 11, 2017 at 11:53:35PM +0100, Pavel Machek wrote: > From: Sakari Ailus <sakari.ailus@xxxxxx> > > In the vast majority of cases the bus type is known to the driver(s) > since a receiver or transmitter can only support a single one. There > are cases however where different options are possible. > > The existing V4L2 OF support tries to figure out the bus type and > parse the bus parameters based on that. This does not scale too well > as there are multiple serial busses that share common properties. > > Some hardware also supports multiple types of busses on the same > interfaces. > > Document the CSI1/CCP2 property strobe. It signifies the clock or > strobe mode. > > Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxx> > Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@xxxxxxxxx> > Signed-off-by: Pavel Machek <pavel@xxxxxx> > > diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt > index 9cd2a36..08c4498 100644 > --- 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 > - 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 > @@ -112,7 +117,8 @@ Optional endpoint properties > should be the combined length of data-lanes and clock-lanes properties. > If the lane-polarities property is omitted, the value must be interpreted > as 0 (normal). This property is valid for serial busses only. > - > +- strobe: Whether the clock signal is used as clock or strobe. Used > + with CCP2, for instance. > > Example > ------- > > Reviewed-By: Sebastian Reichel <sre@xxxxxxxxxx> -- Sebastian
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