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Groups > linux.kernel > #1714152
| From | Rob Herring <robh@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 1/8] dt-bindings: mediatek: Add binding for mt2712 IOMMU and SMI |
| Date | 2017-08-17 17:40 +0200 |
| Message-ID | <ufv3Q-6Mn-15@gated-at.bofh.it> (permalink) |
| References | <udeTw-1T8-7@gated-at.bofh.it> <udeTw-1T8-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Aug 11, 2017 at 05:56:10PM +0800, Yong Wu wrote: > This patch adds decriptions for mt2712 IOMMU and SMI. > > In order to balance the bandwidth, mt2712 has two M4Us, two > smi-commons, 8 smi-larbs. and mt2712 is also MTK IOMMU gen2 which > use Short-Descriptor translation table format. s/use/uses/ > > The mt2712 M4U-SMI HW diagram is as below: > > EMI > | > ------------------------------- > | | > M4U0 M4U1 > | | > smi-common0 smi-common1 > | | > ------------------------- -------------------- > | | | | | | | | > | | | | | | | | > larb0 larb1 larb2 larb3 larb6 larb4 larb5 larb7 > disp0 vdec cam venc jpg mdp1/disp1 mdp2/disp2 mdp3->larb names > > All the connections are HW fixed, SW can NOT adjust it. > > Signed-off-by: Yong Wu <yong.wu@mediatek.com> > --- > .../devicetree/bindings/iommu/mediatek,iommu.txt | 6 +- > .../memory-controllers/mediatek,smi-common.txt | 6 +- > .../memory-controllers/mediatek,smi-larb.txt | 5 +- > include/dt-bindings/memory/mt2712-larb-port.h | 91 ++++++++++++++++++++++ > 4 files changed, 102 insertions(+), 6 deletions(-) > create mode 100644 include/dt-bindings/memory/mt2712-larb-port.h Acked-by: Rob Herring <robh@kernel.org>
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Re: [PATCH 1/8] dt-bindings: mediatek: Add binding for mt2712 IOMMU and SMI Rob Herring <robh@kernel.org> - 2017-08-17 17:40 +0200
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