Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 07601ef8 authored by Aditya Bavanari's avatar Aditya Bavanari Committed by Gerrit - the friendly Code Review server
Browse files

Documentation: sound: Add documentation for MDF nodes 



Add documentation for nodes and properties of MDF
platform driver and its context banks.

Change-Id: Ie7e4609ee5de34867f4dafca06cf94a69812abb5
Signed-off-by: default avatarAditya Bavanari <abavanar@codeaurora.org>
parent a84db540

Documentation/devicetree/bindings/sound/qcom-audio-dev.txt

+54 −0
Original line number Diff line number Diff line
@@ -1129,6 +1129,60 @@ Example of child node that would have qcom,wdsp-cmpnt-dev-name property 
		qcom,wdsp-cmpnt-dev-name = "tavil_codec";

	};



* msm-mdf



Required properties:

 - compatible : "qcom,msm-mdf"



Optional subnodes:

 - qcom,msm_mdf_cb : Child nodes representing the compute context banks.



Subnode Required properties:

 - compatible : "qcom,msm-mdf-cb"

 - label: Label describing the subsystem this context bank belongs to.



Subnode Optional properties:

 - qcom,smmu-enabled:

		It is possible that some MSM subsystems have SMMU, while other MSM

		subsystems do not. MDF platform driver needs to handle SMMU APIs

		differently according to the availability of SMMU.

		Presence of this property means the subsystem has SMMU in it.

 - iommus : A list of phandle and IOMMU specifier pairs that describe the

		IOMMU master interfaces of the device.



Example:

	qcom,msm-mdf {

		compatible = "qcom,msm-mdf";



		qcom,msm_mdf_cb1 {

			compatible = "qcom,msm-mdf-cb";

			label = "adsp";

			qcom,smmu-enabled;

		};

		qcom,msm_mdf_cb2 {

			compatible = "qcom,msm-mdf-cb";

			label = "dsps";

		};

		qcom,msm_mdf_cb3 {

			compatible = "qcom,msm-mdf-cb";

			label = "modem";

		};

	};



* msm-mdf-mem



Required properties:

 - compatible : "qcom,msm-mdf-mem-region"

 - qcom,msm-mdf-mem-data-size: indicates the size of memory

				for MDF purpose

 - memory-region : CMA region which is owned by this device.



Example:

	qcom,msm-mdf-mem {

		compatible = "qcom,msm-mdf-mem-region";

		memory-region = <&mdf_mem>;

	};



* SM8150 ASoC Machine driver



Required properties: