Messages in this thread | | | Date | Tue, 17 Aug 2021 16:44:53 -0500 | From | Rob Herring <> | Subject | Re: [PATCH v2 02/29] dt-bindings: mediatek: mt8195: Add binding for infra IOMMU |
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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 <yong.wu@mediatek.com> > Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> > --- > 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 <robh@kernel.org>
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