[PATCH v3 1/3] dt-bindings: display: samsung,exynos7-decon: add properties for iommus and ports

[Krzysztof Kozlowski]

On Fri, Jun 27, 2025 at 12:50:28AM +0530, Kaustabh Chakraborty wrote:
> Similar to FIMD and Exynos5433's DECON, the Exynos7 DECON hardware:
> - May optionally require an IOMMU to initialize a display region.
> - May require a port connection to another block, say an MIC or a DSI
>   master.
> 
> Document these bindings in the devicetree schema.
> 
> Signed-off-by: Kaustabh Chakraborty <kauschluss at disroot.org>
> ---
>  .../bindings/display/samsung/samsung,exynos7-decon.yaml           | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/samsung/samsung,exynos7-decon.yaml b/Documentation/devicetree/bindings/display/samsung/samsung,exynos7-decon.yaml
> index 53916e4c95d8c0369138941a556c23f5d42fbd39..1e9500c86590d555cfa6f04790e2b64da291b78b 100644
> --- a/Documentation/devicetree/bindings/display/samsung/samsung,exynos7-decon.yaml
> +++ b/Documentation/devicetree/bindings/display/samsung/samsung,exynos7-decon.yaml
> @@ -80,6 +80,14 @@ properties:
>        - const: vsync
>        - const: lcd_sys
>  
> +  iommus:
> +    maxItems: 1
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +    description:
> +      Contains a port which is connected to mic or dsim node.

You need to list and describe the ports.

Best regards,
Krzysztof