This patch adds descriptions fore new properties of device tree binding for the ARM SMMU architecture. These properties control arm-smmu driver options.
Cc: Rob Herring <[email protected]> Cc: Grant Likely <[email protected]> Cc: Will Deacon <[email protected]> Cc: Andreas Herrmann <[email protected]> Signed-off-by: Andreas Herrmann <[email protected]> --- .../devicetree/bindings/iommu/arm,smmu.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.txt b/Documentation/devicetree/bindings/iommu/arm,smmu.txt index e34c6cd..7ad8ff0 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.txt +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.txt @@ -48,6 +48,16 @@ conditions. from the mmu-masters towards memory) node for this SMMU. +- arm,smmu-isolate-devices : Enable device isolation for all masters + of this SMMU. Ie. each master will be attached to + its own iommu domain. + +- calxeda,smmu-secure-config-access : Enable proper handling of buggy + implementations that always use secure access to + SMMU configuration registers. In this case + non-secure aliases of secure registers have to be + used during SMMU configuration. + Example: smmu { @@ -67,4 +77,5 @@ Example: */ mmu-masters = <&dma0 0xd01d 0xd01e>, <&dma1 0xd11c>; + arm,smmu-isolate-devices; }; -- 1.7.9.5 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
