Re: [RESEND PATCH v7] dt-bindings: display: Add idk-2121wr binding

From: Lad, Prabhakar
Date: Mon Mar 09 2020 - 17:23:53 EST


Hi Rob,

On Mon, Mar 9, 2020 at 8:32 PM Rob Herring <robh@xxxxxxxxxx> wrote:
>
> On Fri, 6 Mar 2020 15:20:31 +0000, Lad Prabhakar wrote:
> > From: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
> >
> > Add binding for the idk-2121wr LVDS panel from Advantech.
> >
> > Some panel-specific documentation can be found here:
> > https://buy.advantech.eu/Displays/Embedded-LCD-Kits-High-Brightness/model-IDK-2121WR-K2FHA2E.htm
> >
> > Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> > ---
> > Apologies for flooding in I missed to add the ML email-ids for the earlier
> > version so resending it.
> >
> > Hi All,
> >
> > This patch is part of series [1] ("Add dual-LVDS panel support to EK874),
> > all the patches have been accepted from it except this one. I have fixed
> > Rob's comments in this version of the patch.
> >
> > [1] https://patchwork.kernel.org/cover/11297589/
> >
> > v6->7
> > * Added reference to lvds.yaml
> > * Changed maintainer to myself
> > * Switched to dual license
> > * Dropped required properties except for ports as rest are already listed
> > in lvds.panel
> > * Dropped Reviewed-by tag of Laurent, due to the changes made it might not
> > be valid.
> >
> > v5->v6:
> > * No change
> >
> > v4->v5:
> > * No change
> >
> > v3->v4:
> > * Absorbed patch "dt-bindings: display: Add bindings for LVDS
> > bus-timings"
> > * Big restructuring after Rob's and Laurent's comments
> >
> > v2->v3:
> > * New patch
> >
> > .../display/panel/advantech,idk-2121wr.yaml | 120 +++++++++++++++++++++
> > 1 file changed, 120 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.yaml
> >
>
> My bot found errors running 'make dt_binding_check' on your patch:
>
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.example.dt.yaml: panel-lvds: 'port' is a required property
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/display/panel/advantech,idk-2121wr.example.dt.yaml: panel-lvds: 'port' is a required property
>
This panel is a dual channel LVDS, as a result the root port is called as
ports instead of port and the child node port@0 and port@1 are used for
even and odd pixels, hence binding has required property as ports instead
of port.

Cheers,
--Prabhakar

> See https://patchwork.ozlabs.org/patch/1250384
> Please check and re-submit.