Merge "Documentation/iommu: Add client configuration options"

                  property, indicating the number of Stream ID

                  arguments associated with its phandle.

** Additional properties for Iommu Clients:

- qcom,iommu-dma:

		Optional, String.

		Can be one of "bypass", "fastmap", "atomic", "disabled".

--- "default":

		Standard iommu translation behavior.

		The iommu framework will automatically create a domain for the client.

		iommu and DMA apis may not be called in atomic context.

--- "bypass":

		DMA APIs will use 1-to-1 translation between dma_addr and phys_addr.

		Allows using iommu and DMA apis in atomic context.

--- "fastmap":

		DMA APIs will run faster, but use several orders of magnitude more memory.

		Also allows using iommu and DMA apis in atomic context.

--- "atomic":

		Allows using iommu and DMA apis in atomic context.

--- "disabled":

		The iommu client is responsible for allocating an iommu domain, as

		well as calling iommu_map to create the desired mappings.

- qcom,iommu-faults:

		Optional, List of Strings.

		The SCTLR register setting which affect iommu faults handling.

		Any combination of the below strings may be used. Mutliple

		values are accepted.

--- "default":

		Any faults are treated as fatal errors.

--- "no-CFRE":

		Iommu faults do not return an abort to the client hardware.

--- "non-fatal":

		Iommu faults do not trigger a kernel panic.

--- "stall-disable":

		Iommu faults do not stall the client while the fault

		interrupt is being handled.

- qcom,iommu-vmid:

		Optional, Int.

		An identifier indicating the security state of the client.

- qcom,iommu-pagetable:

		Optional, String.

		Enables coherency for the IOMMU device, but not for the Client.

--- "default":

		Pagetables are not coherent nor cached in the system cache..

--- "coherent"

		Pagetables are io-coherent.

--- "LLC"

		Pagetables may be saved in the system cache.

--- "LLC_NWA"

		Pagetables may be saved in the system cache is used, and

		 write-allocate hint is disabled.

- qcom,iommu-earlymap:

		Optional, Bool.

		Support creating mappings in the page-table before Stage 1 translation is

		enabled.

** Examples:

        /* SMMU with stream matching or stream indexing */