From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Document support for the DU IP found on the Renesas RZ/V2N (R9A09G056) SoC.
The DU IP is functionally identical to that on the RZ/V2H(P) SoC, so no
driver changes are needed. The existing `renesas,r9a09g057-du` compatible
will be used as a fallback for the RZ/V2N SoC.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 .../devicetree/bindings/display/renesas,rzg2l-du.yaml          | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
index 1e32d14b6edb..2cc66dcef870 100644
--- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
+++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
@@ -25,6 +25,9 @@ properties:
           - enum:
               - renesas,r9a07g054-du    # RZ/V2L
           - const: renesas,r9a07g044-du # RZ/G2L fallback
+      - items:
+          - const: renesas,r9a09g056-du # RZ/V2N
+          - const: renesas,r9a09g057-du # RZ/V2H(P) fallback
 
   reg:
     maxItems: 1
-- 
2.49.0

On Tue, 10 Jun 2025 at 01:19, Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Document support for the DU IP found on the Renesas RZ/V2N (R9A09G056) SoC.
> The DU IP is functionally identical to that on the RZ/V2H(P) SoC, so no
> driver changes are needed. The existing `renesas,r9a09g057-du` compatible
> will be used as a fallback for the RZ/V2N SoC.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

On Tue, Jun 10, 2025 at 12:19:05AM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> 
> Document support for the DU IP found on the Renesas RZ/V2N (R9A09G056) SoC.
> The DU IP is functionally identical to that on the RZ/V2H(P) SoC, so no
> driver changes are needed. The existing `renesas,r9a09g057-du` compatible
> will be used as a fallback for the RZ/V2N SoC.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Acked-by: Conor Dooley <conor.dooley@microchip.com>

Hi Prabhakar,

Thank you for the patch.

On Tue, Jun 10, 2025 at 12:19:05AM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> 
> Document support for the DU IP found on the Renesas RZ/V2N (R9A09G056) SoC.
> The DU IP is functionally identical to that on the RZ/V2H(P) SoC, so no
> driver changes are needed. The existing `renesas,r9a09g057-du` compatible
> will be used as a fallback for the RZ/V2N SoC.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Assuming this gets merged after
https://lore.kernel.org/r/20250530165906.411144-2-prabhakar.mahadev-lad.rj@bp.renesas.com
("[PATCH v6 01/12] dt-bindings: display: renesas, rzg2l-du: Add support
for RZ/V2H(P) SoC"),

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

> ---
>  .../devicetree/bindings/display/renesas,rzg2l-du.yaml          | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> index 1e32d14b6edb..2cc66dcef870 100644
> --- a/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> +++ b/Documentation/devicetree/bindings/display/renesas,rzg2l-du.yaml
> @@ -25,6 +25,9 @@ properties:
>            - enum:
>                - renesas,r9a07g054-du    # RZ/V2L
>            - const: renesas,r9a07g044-du # RZ/G2L fallback
> +      - items:
> +          - const: renesas,r9a09g056-du # RZ/V2N
> +          - const: renesas,r9a09g057-du # RZ/V2H(P) fallback
>  
>    reg:
>      maxItems: 1

-- 
Regards,

Laurent Pinchart

Hi Laurent,

Thank you for the review.

On Tue, Jun 10, 2025 at 10:58 AM Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
>
> Hi Prabhakar,
>
> Thank you for the patch.
>
> On Tue, Jun 10, 2025 at 12:19:05AM +0100, Prabhakar wrote:
> > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> >
> > Document support for the DU IP found on the Renesas RZ/V2N (R9A09G056) SoC.
> > The DU IP is functionally identical to that on the RZ/V2H(P) SoC, so no
> > driver changes are needed. The existing `renesas,r9a09g057-du` compatible
> > will be used as a fallback for the RZ/V2N SoC.
> >
> > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Assuming this gets merged after
> https://lore.kernel.org/r/20250530165906.411144-2-prabhakar.mahadev-lad.rj@bp.renesas.com
> ("[PATCH v6 01/12] dt-bindings: display: renesas, rzg2l-du: Add support
> for RZ/V2H(P) SoC"),
>
Above patch is already merged into drm-misc.

https://cgit.freedesktop.org/drm/drm-misc/commit/?id=ed6a6d63513ee5199841c0a0dc2772ad944e63ee

Cheers,
Prabhakar