Subject: Re: [PATCH v2 02/29] dt-bindings: mediatek: mt8195: Add binding for infra IOMMU

From: Rob Herring <[email-masked]>
Date: Tue, 17 Aug 2021 16:44:53 -0500

On Fri, 13 Aug 2021 14:52:57 +0800, Yong Wu wrote:
> In mt8195, we have a new IOMMU that is for INFRA IOMMU. its masters
> mainly are PCIe and USB. Different with MM IOMMU, all these masters
> connect with IOMMU directly, there is no mediatek,larbs property for
> infra IOMMU.
> 
> Another thing is about PCIe ports. currently the function
> "of_iommu_configure_dev_id" only support the id number is 1, But our
> PCIe have two ports, one is for reading and the other is for writing.
> see more about the PCIe patch in this patchset. Thus, I only list
> the reading id here and add the other id in our driver.
> 
> Signed-off-by: Yong Wu <[email-masked]>
> Acked-by: Krzysztof Kozlowski <[email-masked]>
> ---
> Change note: use "contains" commented from Rob.
> ---
>  .../bindings/iommu/mediatek,iommu.yaml         | 13 ++++++++++++-
>  .../dt-bindings/memory/mt8195-memory-port.h    | 18 ++++++++++++++++++
>  include/dt-bindings/memory/mtk-memory-port.h   |  2 ++
>  3 files changed, 32 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring <[email-masked]>

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