Re: [PATCH v3 2/2] dt-bindings: imx: ldb: Add ddc-i2c-bus property

From: Rob Herring
Date: Tue May 03 2016 - 12:07:59 EST


On Fri, Apr 29, 2016 at 09:44:12AM +0200, Philipp Zabel wrote:
> Am Donnerstag, den 28.04.2016, 16:48 -0500 schrieb Rob Herring:
> > On Wed, Apr 27, 2016 at 04:23:34PM -0400, Akshay Bhat wrote:
> > > Document the ddc-i2c-bus property used by imx-ldb driver to read EDID
> > > information via I2C interface.
> > >
> > > Signed-off-by: Akshay Bhat <akshay.bhat@xxxxxxxxxxx>
> > > ---
> > >
> > > v3:
> > > Newly added.
> > >
> > > Documentation/devicetree/bindings/display/imx/ldb.txt | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > > diff --git a/Documentation/devicetree/bindings/display/imx/ldb.txt b/Documentation/devicetree/bindings/display/imx/ldb.txt
> > > index 0a175d9..a407462 100644
> > > --- a/Documentation/devicetree/bindings/display/imx/ldb.txt
> > > +++ b/Documentation/devicetree/bindings/display/imx/ldb.txt
> > > @@ -62,6 +62,7 @@ Required properties:
> > > display-timings are used instead.
> > >
> > > Optional properties (required if display-timings are used):
> >
> > The required part doesn't make sense if you add this, but...
> >
> > > + - ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing
> >
> > Really, this should be part of a connector node since i2c goes from the
> > i2c controller to a connector and is not part of the display controller.
>
> If the ddc i2c bus does indeed go through a connector, yes. Would that
> warrant a generic "lvds-connector" binding for all those different types
> of internal LVDS connectors?

Probably an overkill for that case. It could be part of the panel node,
but I'm reluctant to define a 3rd way. So this is fine as is.

Acked-by: Rob Herring <robh@xxxxxxxxxx>

Rob