Hi, > > The MSM IOMMU is an implementation compatible with the ARM VMSA > short > > descriptor page tables. It provides address translation for bus > > masters outside of the CPU, each connected to the IOMMU through a port > called micro-TLB. > > Adding the DT bindings for the same. > > > > Signed-off-by: Sricharan R <[email protected]> > > --- > > .../devicetree/bindings/iommu/msm,iommu-v0.txt | 62 > ++++++++++++++++++++++ > > 1 file changed, 62 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/iommu/msm,iommu-v0.txt > > > > diff --git a/Documentation/devicetree/bindings/iommu/msm,iommu-v0.txt > > b/Documentation/devicetree/bindings/iommu/msm,iommu-v0.txt > > new file mode 100644 > > index 0000000..63b4f96 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/iommu/msm,iommu-v0.txt > > @@ -0,0 +1,62 @@ > > +* MSM IOMMU > > + > > +The MSM IOMMU is an implementation compatible with the ARM VMSA > short > > +descriptor page tables. It provides address translation for bus > > +masters outside of the CPU, each connected to the IOMMU through a > port called micro-TLB. > > + > > +Required Properties: > > + > > + - compatible: Must contain "msm,iommu-v0". > > SOC specific compatible strings please. Ok sure. I think I missed being explicit here last time.
> > > + - reg: Base address and size of the IOMMU registers. > > + - interrupts: Specifiers for the MMU fault interrupts. For instances that > > + support secure mode two interrupts must be specified, for non-secure > and > > + secure mode, in that order. For instances that don't support secure > mode a > > + single interrupt must be specified. > > + - #iommu-cells: The number of cells needed to specify the stream id. This > > + is always 1. > > + - qcom,ncb: The total number of context banks in the IOMMU. > > + - clocks : List of clocks to be used during SMMU register access. See > > + Documentation/devicetree/bindings/clock/clock- > bindings.txt > > + for information about the format. For each clock specified > > + here, there must be a corresponding entry in clock-names > > + (see below). > > + > > + - clock-names : List of clock names corresponding to the clocks > specified in > > + the "clocks" property (above). See > > + Documentation/devicetree/bindings/clock/clock- > bindings.txt > > + for more info. > > You must define how many clocks, their order and their names. Ok, will update this and repost Regards, Sricharan _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
