[PATCH v3 1/4] dt-bindings: lcdif: Add endpoint bus-width property

[Francesco Dolcini]

On Thu, Aug 13, 2026 at 10:10:43AM +0200, Krzysztof Kozlowski wrote:
> On Wed, Aug 12, 2026 at 03:29:49PM +0200, Francesco Dolcini wrote:
> > From: Francesco Dolcini <francesco.dolcini at toradex.com>
> > 
> > The DPI output of the LCD interface can be configured with a bus width
> > of 16, 18, or 24 bits. Introduce a bus-width property to the output
> > endpoint, specifying the number of parallel RGB bits connected.
> > 
> > Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>
> > ---
> > v3: use video-interfaces.yaml
> > v2: use the common bus-width property instead of the legacy interface-pix-fmt
> > ---
> >  Documentation/devicetree/bindings/display/fsl,lcdif.yaml | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
> > index 2dd0411ec651..1f3daf002707 100644
> > --- a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
> > +++ b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
> > @@ -71,6 +71,15 @@ properties:
> >      $ref: /schemas/graph.yaml#/properties/port
> >      description: The LCDIF output port
> >  
> > +    properties:
> > +      endpoint:
> > +        $ref: /schemas/media/video-interfaces.yaml
> 
> This won't work, you need to test your DTS. The port schema does not
> allow video-interfaces properties. You need port-base, like in every
> other case.

Thanks for the review Krzysztof

Given my testing was not ok, and I am not sure what I did wrong exactly
on my tests, is this the change I should do?

diff --git a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
index 1f3daf002707..89cea0c14cf1 100644
--- a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
+++ b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
@@ -68,7 +68,8 @@ properties:
     maxItems: 1
 
   port:
-    $ref: /schemas/graph.yaml#/properties/port
+    $ref: /schemas/graph.yaml#/$defs/port-base
+    unevaluatedProperties: false
     description: The LCDIF output port