[PATCH 03/16] video: Add DT binding documentation for VGA connector
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Wed Aug 27 10:22:42 PDT 2014
Hi Rob,
On Wednesday 27 August 2014 12:12:36 Rob Herring wrote:
> On Wed, Aug 27, 2014 at 11:41 AM, Laurent Pinchart wrote:
> > The VGA connector is described by a single input port and an optional
> > DDC bus.
>
> Wasn't there a generic connector binding for DVI, HDMI, etc.?
As far as I know, there are three separate generic bindings for DVI
connectors, HDMI connectors, and analog TV connectors. The VGA connector
doesn't seem to really fit into one of those categories.
> > Cc: devicetree at vger.kernel.org
> > Cc: linux-fbdev at vger.kernel.org
> > Signed-off-by: Laurent Pinchart
> > <laurent.pinchart+renesas at ideasonboard.com>
> > ---
> >
> > .../devicetree/bindings/video/vga-connector.txt | 28
> > ++++++++++++++++++++++ 1 file changed, 28 insertions(+)
> > create mode 100644
> > Documentation/devicetree/bindings/video/vga-connector.txt>
> > diff --git a/Documentation/devicetree/bindings/video/vga-connector.txt
> > b/Documentation/devicetree/bindings/video/vga-connector.txt new file mode
> > 100644
> > index 0000000..9a45ec1
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/video/vga-connector.txt
> > @@ -0,0 +1,28 @@
> > +VGA Connector
> > +==============
> > +
> > +Required properties:
> > +- compatible: "vga-connector"
> > +
> > +Optional properties:
> > +- label: a symbolic name for the connector
>
> ...which corresponds to hardware labels.
>
> > +- ddc-i2c-bus: phandle to the I2C bus that is connected to VGA DDC
> > +
> > +Required nodes:
> > +- Video port for VGA input
>
> A reference to the relevant video graph bindings should be added here.
I'll fix that.
> > +
> > +Example
> > +-------
> > +
> > +vga0: connector at 0 {
> > + compatible = "vga-connector";
> > + label = "vga";
> > +
> > + ddc-i2c-bus = <&i2c3>;
> > +
> > + port {
> > + vga_connector_in: endpoint {
> > + remote-endpoint = <&adv7123_out>;
> > + };
> > + };
> > +};
--
Regards,
Laurent Pinchart
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