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Commit 05b371c7 authored by Isaac J. Manjarres's avatar Isaac J. Manjarres
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dt-bindings: Add documentation for the "non-coherent" SMMU dt-binding 

Add documentation for the SMMU-V2 "non-coherent" IO page-table
dt-binding attribute.

Change-Id: Ic6a39c388b0e2b45880dae9ac7bd96c9df557b98
parent 12f20880

bindings/iommu/arm,smmu.txt

+3 −0
Original line number Diff line number Diff line
@@ -222,6 +222,9 @@ conditions. 
		Optional, String.

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

--- "default":

		Pagetable coherency defaults to the coherency setting of the

		IOMMU device.

--- "non-coherent":

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

--- "coherent"

		Pagetables are io-coherent.