[PATCH v9 1/7] dt-bindings: mediatek: mt8188: Add binding for MM & INFRA IOMMU

[Krzysztof Kozlowski]

On 17/03/2023 09:55, Yong Wu wrote:
> From: "Chengci.Xu" <chengci.xu at mediatek.com>
> 
> Add descriptions for mt8188 IOMMU which also use ARM Short-Descriptor
> translation table format.
> 
> In mt8188, there are two smi-common HW and IOMMU, one is for vdo(video
> output), the other is for vpp(video processing pipe). They connects
> with different smi-larbs, then some setting(larbid_remap) is different.
> Differentiate them with the compatible string.
> 
> Something like this:
> 
>    IOMMU(VDO)          IOMMU(VPP)
>       |                   |
>  SMI_COMMON_VDO      SMI_COMMON_VPP
>  ---------------     ----------------
>   |     |    ...      |     |    ...
> larb0 larb2  ...    larb1 larb3  ...
> 
> We also have an IOMMU that is for infra master like PCIe.
> And infra master don't have the larb and ports.
> 
> Signed-off-by: Chengci.Xu <chengci.xu at mediatek.com>
> Signed-off-by: Yong Wu <yong.wu at mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> ---
>  .../bindings/iommu/mediatek,iommu.yaml        |  12 +-
>  .../memory/mediatek,mt8188-memory-port.h      | 489 ++++++++++++++++++
>  2 files changed, 500 insertions(+), 1 deletion(-)


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

Best regards,
Krzysztof