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

From: Philipp Zabel
Date: Fri Apr 29 2016 - 03:44:29 EST


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?

regards
Philipp