RE: [PATCH] dt-bindings: iommu: renesas,ipmmu-vmsa: add r8a779h0 support

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Hi Geert-san,

> From: Geert Uytterhoeven, Sent: Friday, April 19, 2024 8:42 PM
> 
> From: Thanh Le <thanh.le.xv@xxxxxxxxxxx>
> 
> Document support for the I/O Memory Management Unit (IPMMU) on the
> Renesas R-Car V4M (R8A779H0) SoC.
> 
> Signed-off-by: Thanh Le <thanh.le.xv@xxxxxxxxxxx>
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
> Interestingly, the IMSSTR register is documented for R-Car V4M, unlike
> for R-Car S4 and R-Car V4H, so the second cell of the renesas,ipmmu-main
> property could be added again.
> As nothing really uses this register and the associated bit numbers,
> I think it is better to keep it simple, and not partially revert commit
> b67ab6fb63bbbe6d ("dt-bindings: iommu: renesas, ipmmu-vmsa: Update for
> R-Car Gen4").

Thank you for the patch! I think so. So,

Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>

Best regards,
Yoshihiro Shimoda

> ---
>  Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml
> b/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml
> index be90f68c11d18b03..0acaa2bcec0898b2 100644
> --- a/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml
> +++ b/Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.yaml
> @@ -50,6 +50,7 @@ properties:
>                - renesas,ipmmu-r8a779a0           # R-Car V3U
>                - renesas,ipmmu-r8a779f0           # R-Car S4-8
>                - renesas,ipmmu-r8a779g0           # R-Car V4H
> +              - renesas,ipmmu-r8a779h0           # R-Car V4M
>            - const: renesas,rcar-gen4-ipmmu-vmsa  # R-Car Gen4
> 
>    reg:
> --
> 2.34.1






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