[PATCH 02/24] dt-bindings: mediatek: mt8195: Add binding for infra IOMMU

Krzysztof Kozlowski krzysztof.kozlowski at canonical.com
Tue Jun 29 23:27:13 PDT 2021


On 30/06/2021 04:34, 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 <yong.wu at mediatek.com>
> ---
>  .../bindings/iommu/mediatek,iommu.yaml         | 14 +++++++++++++-
>  .../dt-bindings/memory/mt8195-memory-port.h    | 18 ++++++++++++++++++
>  include/dt-bindings/memory/mtk-memory-port.h   |  2 ++
>  3 files changed, 33 insertions(+), 1 deletion(-)
> 


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at canonical.com>


Best regards,
Krzysztof



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