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Commit edeb290f authored by Sudarshan Rajagopalan's avatar Sudarshan Rajagopalan Committed by Gerrit - the friendly Code Review server
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ARM: dts: msm: Add iommu coherent test device for msm8998 



Added a new iommu test device which is dma-coherent. This
test device will be used for validating buffer coherency.

Change-Id: Iea1c57fd2cd5d71de2f26932d21cae8102fb918e
Signed-off-by: default avatarSudarshan Rajagopalan <sudaraja@codeaurora.org>
parent f1a10f15

arch/arm/boot/dts/qcom/msm-arm-smmu-8998.dtsi

+12 −0
Original line number Diff line number Diff line
@@ -176,4 +176,16 @@ 
		 */

		iommus = <&mmss_smmu 42>;

	};



	iommu_coherent_test_device {

		compatible = "iommu-debug-test";

		/*

		 * 43 shouldn't be used by anyone on the mmss_smmu.  We just

		 * need _something_ here to get this node recognized by the

		 * SMMU driver. Our test uses ATOS, which doesn't use SIDs

		 * anyways, so using a dummy value is ok.

		 */

		iommus = <&mmss_smmu 43>;

		dma-coherent;

	};

};