msm: ipa3: add missing dma-coherent description



add dma-coherent description to enable dma-coherent
feature on SMMU context bank.

Change-Id: I1c9cf23806f23e461de1f9cfdb8e7e7b652340f4
Signed-off-by: Skylar Chang <chiaweic@codeaurora.org>

parent 5f228f0a

Documentation/devicetree/bindings/platform/msm/ipa.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -128,6 +128,8 @@ IPA SMMU sub nodes

		- qcom,smmu-s1-bypass: Boolean context flag to set SMMU to S1 bypass.

		- dma-coherent: Indicate using dma-coherent or not in SMMU block

		- iommus : the phandle and stream IDs for the SMMU used by this root

		- qcom,iova-mapping: specifies the start address and size of iova space.