Re: [PATCH v3 2/5] dt-bindings: display: renesas,rzg2l-du: Add RZ/T2H and RZ/N2H support

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

On Tue, 12 May 2026 15:41:01 +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
> and has no reset control. Add a dedicated compatible string to represent
> this variant and update the allOf constraints accordingly.
> 
> 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.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
> v2->v3:
> - No change
> 
> v1->v2:
> - Dropped the "port" property in favor of "ports" with a single port@0
>   child, to align with the existing RZ/G2L bindings and simplify the
>   device tree structure.
> - Updated the commit message to reflect the change from "port" to "ports".
> - Dropped RB tag from Rob due to above changes.
> ---
>  .../bindings/display/renesas,rzg2l-du.yaml    | 20 +++++++++++++++++--
>  1 file changed, 18 insertions(+), 2 deletions(-)
> 

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