On Wed, Sep 03, 2025 at 04:43:57PM +0530, Harikrishna Shenoy wrote:
> From: Swapnil Jakhade <sjakh...@cadence.com>
> 
> Add binding changes for DSC(Display Stream Compression) in the MHDP8546
> DPI/DP bridge.
> 
> Signed-off-by: Swapnil Jakhade <sjakh...@cadence.com>
> Signed-off-by: Harikrishna Shenoy <h-she...@ti.com>
> ---
>  .../bindings/display/bridge/cdns,mhdp8546.yaml        | 11 +++++++----
>  1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git 
> a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml 
> b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
> index c2b369456e4e..6e749c002669 100644
> --- a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml
> @@ -27,6 +27,8 @@ properties:
>            Register block for DSS_EDP0_INTG_CFG_VP registers in case of TI J7 
> SoCs.
>        - description:
>            Register block of mhdptx sapb registers.
> +      - description:
> +          Register block for mhdptx DSC encoder registers.
>  
>    reg-names:
>      minItems: 1
> @@ -34,6 +36,7 @@ properties:
>        - const: mhdptx
>        - const: j721e-intg
>        - const: mhdptx-sapb
> +      - const: mhdptx-dsc

'mhdptx' is redundant. Don't continue that pattern. Just 'dsc'.

>  
>    clocks:
>      maxItems: 1
> @@ -100,18 +103,18 @@ allOf:
>        properties:
>          reg:
>            minItems: 2
> -          maxItems: 3
> +          maxItems: 4
>          reg-names:
>            minItems: 2
> -          maxItems: 3
> +          maxItems: 4
>      else:
>        properties:
>          reg:
>            minItems: 1
> -          maxItems: 2
> +          maxItems: 3
>          reg-names:
>            minItems: 1
> -          maxItems: 2
> +          maxItems: 3

Have you tested this works? While it might work for TI with the 
j721e-intg registers in the middle, it won't work for platforms without 
them. You're going to have to have 2 lists of reg-names.

Rob

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