Hi Sakari,

On 18-11-27 15:13, Sakari Ailus wrote:
> Hi Marco,
> 
> On Tue, Nov 27, 2018 at 11:02:52AM +0100, Marco Felsch wrote:
> > Add the pclk-sample property to the list of optional properties
> > for the mt9m111 camera sensor.
> > 
> > Signed-off-by: Marco Felsch <m.fel...@pengutronix.de>
> > Reviewed-by: Rob Herring <r...@kernel.org>
> > ---
> >  Documentation/devicetree/bindings/media/i2c/mt9m111.txt | 5 +++++
> >  1 file changed, 5 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/media/i2c/mt9m111.txt 
> > b/Documentation/devicetree/bindings/media/i2c/mt9m111.txt
> > index a431fb45704b..d0bed6fa901a 100644
> > --- a/Documentation/devicetree/bindings/media/i2c/mt9m111.txt
> > +++ b/Documentation/devicetree/bindings/media/i2c/mt9m111.txt
> > @@ -14,6 +14,10 @@ sub-node for its digital output video port, in 
> > accordance with the video
> >  interface bindings defined in:
> >  Documentation/devicetree/bindings/media/video-interfaces.txt
> >  
> > +Optional endpoint properties:
> > +- pclk-sample: For information see ../video-interfaces.txt. The value is 
> > set to
> > +  0 if it isn't specified.
> 
> How about the data-active, hsync-active and vsync-active properties? Does
> the hardware have a fixed configuration, or can this be set? It appears the
> driver assumes active high for all.

As I understood it correctly the data-active, hsync-active and vsync-active
I/O lines are always ACTIVE_HIGH.

Kind regards,
Marco
 
> If there's something to change, this should be a separate patch IMO.
> 
> > +
> >  Example:
> >  
> >     i2c_master {
> > @@ -26,6 +30,7 @@ Example:
> >                     port {
> >                             mt9m111_1: endpoint {
> >                                     remote-endpoint = <&pxa_camera>;
> > +                                   pclk-sample = <1>;
> >                             };
> >                     };
> >             };
> 
> -- 
> Sakari Ailus
> sakari.ai...@linux.intel.com
> 

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