Hi Laurent, On Sat, Aug 22, 2020 at 2:36 AM Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > > Hi Prabhakar, > > On Fri, Aug 21, 2020 at 12:37:35PM +0100, Lad, Prabhakar wrote: > > On Wed, Aug 19, 2020 at 2:54 PM Laurent Pinchart wrote: > > > On Tue, Aug 18, 2020 at 02:20:12PM +0200, Jacopo Mondi wrote: > > > > Document endpoint properties for the parallel bus type and > > > > add them to the example. > > > > > > > > Specify a few constraints: > > > > - If the bus type is BT.656 no hsync or vsycn polarities can be > > > > specified. > > > > - If the bus width is 10 bits, not data-shift can be applied. > > > > > > > > Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx> > > > > --- > > > > .../devicetree/bindings/media/i2c/ov772x.yaml | 43 +++++++++++++++++++ > > > > 1 file changed, 43 insertions(+) > > > > > > > > diff --git a/Documentation/devicetree/bindings/media/i2c/ov772x.yaml b/Documentation/devicetree/bindings/media/i2c/ov772x.yaml > > > > index 75dad40f70cc..3fad5dffd19a 100644 > > > > --- a/Documentation/devicetree/bindings/media/i2c/ov772x.yaml > > > > +++ b/Documentation/devicetree/bindings/media/i2c/ov772x.yaml > > > > @@ -50,9 +50,47 @@ properties: > > > > bus-type: > > > > enum: [5, 6] > > > > > > > > + bus-width: > > > > + enum: [8, 10] > > > > + default: 10 > > > > + > > > > + data-shift: > > > > + enum: [0, 2] > > > > + default: 0 > > > > + > > > > + hsync-active: > > > > + enum: [0, 1] > > > > + default: 1 > > > > + > > > > + vsync-active: > > > > + enum: [0, 1] > > > > + default: 1 > > > > + > > > > + pclk-sample: > > > > + enum: [0, 1] > > > > + default: 1 > > > > + > > > > remote-endpoint: > > > > description: A phandle to the bus receiver's endpoint node. > > > > > > > > + allOf: > > > > + - if: > > > > + properties: > > > > + bus-type: > > > > + const: 6 > > > > + then: > > > > + properties: > > > > + hsync-active: false > > > > + vsync-active: false > > > > + > > > > + - if: > > > > + properties: > > > > + bus-width: > > > > + const: 10 > > > > + then: > > > > + properties: > > > > + data-shift: > > > > + const: 0 > > > > > > I'd add a blank line here. > > > > > > > required: > > > > - bus-type > > > > > > Should some of the properties be required ? Possibly conditioned on > > > bus-type ? > > > > Agreed, would be interesting to know how this can be handled (split > > out bus-type and add required properties for each) ? > > We can add required: statements to the above if/then/else. > Aha thanks for pointing out. (I hadn't come across such cases) Cheers, Prabhakar
