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Commit abf7909b authored by Karthikeyan Mani's avatar Karthikeyan Mani
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bindings: Documentation: Add swr mic device tree documentation 

Add swr mic device tree documentation for Lahaina target.

Change-Id: I916fe3d6fc48d8705be8fc197aa807c96064cce5
parent 6adebd3e

bindings/sound/wcd_codec.txt

+19 −0
Original line number Diff line number Diff line
@@ -438,3 +438,22 @@ wsa883x_0221: wsa883x@02170221 { 
	qcom,cdc-vdd-1p8-current = <20000>;

	qcom,cdc-static-supplies = "cdc-vdd-1p8";

};



SWR MIC Soundwire slave device as child of Soundwire master in digital codec



Required properties:

 - compatible = "qcom,swr-dmic";

 - reg: Specifies the SWR MIC soundwire slave unique device address

 - qcom,swr-dmic-prefix: Prefix to use for alsa widgets and routes

 - qcom,codec-name: Name for the corresponding swr mic codec

 - qcom,mic-bias-num: Mic bias number that turns on this device's power supply



Example:

swr_dmic_01: dmic_swr@58350220 {

	compatible = "qcom,swr-dmic";

	reg = <0x08 0x58350220>;

	qcom,swr-dmic-prefix = "SWR_MIC0";

	qcom,codec-name = "swr-dmic-01";

	qcom,mic-bias-num = <1>;

	wcd-handle = <&wcd938x_codec>;

};