Re: [PATCH 1/4] dt-bindings: display: renesas,rzg2l-du: Add RZ/T2H and RZ/N2H support

["Rob Herring (Arm)" <robh@kernel.org>]

On Wed, 29 Apr 2026 18:00:09 +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> 
> Document the Display Unit (DU) support for the RZ/T2H and RZ/N2H SoCs.
> 
> The DU block on RZ/T2H is functionally equivalent to the RZ/G2UL DU and
> supports the DPI interface, but includes SoC-specific register differences.
> Add a dedicated compatible string to represent this variant.
> 
> As the DU implementation on RZ/N2H matches RZ/T2H, describe it using an
> RZ/N2H specific compatible string with the RZ/T2H compatible as fallback.
> 
> Unlike other DU variants which use a multi-port model, the RZ/T2H and
> RZ/N2H DU has a single output and is modelled using a single port node
> with one endpoint. Add a port property to support this and update the
> allOf constraints accordingly.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
>  .../bindings/display/renesas,rzg2l-du.yaml    | 24 +++++++++++++++++--
>  1 file changed, 22 insertions(+), 2 deletions(-)
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>