Re: [PATCH 1/4] dt-bindings: brige: lt9611c: add port-select property for LT9611C

[Krzysztof Kozlowski <krzk@kernel.org>]

On Thu, Jun 11, 2026 at 02:44:56AM +0530, Mohit Dsor wrote:
> Add a new optional `lontium,port-select` property to describe the DSI
> input port configuration for the LT9611C variant, which supports
> single-port (A or B) and dual-port (A+B) operation.
> 
> This property allows explicitly selecting the active DSI input port(s):
>   0 = port A (default)
>   1 = port B
>   2 = ports A and B (dual-port)
> 
> Signed-off-by: Mohit Dsor <mohit.dsor@oss.qualcomm.com>
> ---
>  .../devicetree/bindings/display/bridge/lontium,lt9611.yaml  | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml b/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml
> index e0821a63d9d7..77220f893bf8 100644
> --- a/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/lontium,lt9611.yaml
> @@ -41,6 +41,17 @@ properties:
>    vcc-supply:
>      description: Regulator for 3.3V IO power.
>  
> +  lontium,port-select:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [0, 1, 2]
> +    default: 0
> +    description: |
> +      Selects which DSI input port(s) the bridge uses. Only relevant for
> +      the lontium,lt9611c compatible.
> +        0 = PORT_SELECT_A  - single DSI port A (default)
> +        1 = PORT_SELECT_B  - single DSI port B
> +        2 = PORT_SELECT_AB - dual DSI ports A and B

Why graph is not enough? Seems exactly duplicating the graph ports.

Best regards,
Krzysztof