On Fri, Jul 17, 2020 at 11:59:31PM +0300, Laurent Pinchart wrote: > Hi Jacopo, > > Thank you for the patch. > > On Fri, Jul 17, 2020 at 03:28:55PM +0200, Jacopo Mondi wrote: > > Add defalt value for the DVP interface synchronism signals. > > s/synchronism/synchronization/ > > > The default values have been derived from register 0x4740 > > documentation (datasheet version 2.03) > > > > 0x4740 POLARITY CTRL00 default = 0x20 > > bit 5: pclk polarity = 1 active high > > bit 1: HREF polarity = 0 active low > > bit 0: VSYNC polarity = 0 active low > > Do we need default values ? That's only for the case where the > properties are not specified, and I think they are mandatory when the > bus-type is set to parallel, aren't they ? I think stating this > explicitly will be less error-prone. In this case, I think default should be fixed or not configurable. > > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> > > --- > > Documentation/devicetree/bindings/media/i2c/ov5640.yaml | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/media/i2c/ov5640.yaml b/Documentation/devicetree/bindings/media/i2c/ov5640.yaml > > index ab700a1830aa..3c20cdd02f76 100644 > > --- a/Documentation/devicetree/bindings/media/i2c/ov5640.yaml > > +++ b/Documentation/devicetree/bindings/media/i2c/ov5640.yaml > > @@ -94,12 +94,15 @@ properties: > > > > hsync-active: > > enum: [0, 1] > > + default: 0 > > > > vsync-active: > > enum: [0, 1] > > + default: 0 > > > > pclk-sample: > > enum: [0, 1] > > + default: 1 > > > > allOf: > > - if: > > -- > Regards, > > Laurent Pinchart