linux-kernel - Re: [PATCH v3 3/7] dt-bindings: arm-smmu: Add binding for Tegra194 SMMU

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Message-ID: <76513c1a-2fec-0b84-a9fb-f485f5fcbb78@arm.com>
Date:   Tue, 22 Oct 2019 18:56:29 +0100
From:   Robin Murphy <robin.murphy@....com>
To:     Krishna Reddy <vdumpa@...dia.com>
Cc:     joro@...tes.org, will@...nel.org,
        linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, treding@...dia.com, yhsu@...dia.com,
        snikam@...dia.com, praithatha@...dia.com, talho@...dia.com,
        avanbrunt@...dia.com, thomasz@...dia.com, olof@...om.net,
        jtukkinen@...dia.com, mperttunen@...dia.com, nicolinc@...dia.com,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v3 3/7] dt-bindings: arm-smmu: Add binding for Tegra194
 SMMU

On 19/10/2019 00:31, Krishna Reddy wrote:
> Add binding for NVIDIA's Tegra194 Soc SMMU that is based
> on ARM MMU-500.
> 
> Signed-off-by: Krishna Reddy <vdumpa@...dia.com>
> ---
>   Documentation/devicetree/bindings/iommu/arm,smmu.txt | 4 ++++

Rob (+cc) is in the process of converting the SMMU bindings to schema, 
so we might need a bit of coordination here...

Robin.

>   1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
> index 3133f3b..1d72fac 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt
> @@ -31,6 +31,10 @@ conditions.
>                     as below, SoC-specific compatibles:
>                     "qcom,sdm845-smmu-500", "arm,mmu-500"
>   
> +                  NVIDIA SoCs that use more than one ARM MMU-500 together
> +                  needs following SoC-specific compatibles along with "arm,mmu-500":
> +                  "nvidia,tegra194-smmu"
> +
>   - reg           : Base address and size of the SMMU.
>   
>   - #global-interrupts : The number of global interrupts exposed by the
>