Messages in this thread | | | From | Yong Wu (吴勇) <> | Subject | Re: [PATCH v4 1/4] dt-bindings: mediatek: mt8188: Add binding for MM & INFRA IOMMU | Date | Mon, 21 Nov 2022 05:17:08 +0000 |
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On Tue, 2022-10-18 at 14:42 +0800, Chengci.Xu wrote: > Adds 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@mediatek.com> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > --- > .../bindings/iommu/mediatek,iommu.yaml | 12 +- > .../memory/mediatek,mt8188-memory-port.h | 482 > ++++++++++++++++++
Reviewed-by: Yong Wu <yong.wu@mediatek.com>
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