Add bindings required for Multi Button Headset detection. WCD934x support Headsets with upto 8 buttons including, impedance measurement on both L/R Headset speakers and cross connection detection. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> --- .../bindings/sound/qcom,wcd934x.yaml | 65 +++++++++++++++++++ 1 file changed, 65 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml index e8f716b5f875..b25c6ca4e97c 100644 --- a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml @@ -77,6 +77,64 @@ properties: minimum: 1800000 maximum: 2850000 + qcom,hphl-jack-type-normally-closed: + description: Indicates that HPHL jack switch type is normally closed + type: boolean + + qcom,ground-jack-type-normally-closed: + description: Indicates that Headset Ground switch type is normally closed + type: boolean + + qcom,mbhc-headset-vthreshold-microvolt: + description: Voltage threshold value for headset detection + minimum: 0 + maximum: 2850000 + + qcom,mbhc-headphone-vthreshold-microvolt: + description: Voltage threshold value for headphone detection + minimum: 0 + maximum: 2850000 + + qcom,mbhc-button0-vthreshold-microvolt: + description: Voltage threshold value for headset button0 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button1-vthreshold-microvolt: + description: Voltage threshold value for headset button1 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button2-vthreshold-microvolt: + description: Voltage threshold value for headset button2 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button3-vthreshold-microvolt: + description: Voltage threshold value for headset button3 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button4-vthreshold-microvolt: + description: Voltage threshold value for headset button4 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button5-vthreshold-microvolt: + description: Voltage threshold value for headset button5 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button6-vthreshold-microvolt: + description: Voltage threshold value for headset button6 + minimum: 0 + maximum: 500000 + + qcom,mbhc-button7-vthreshold-microvolt: + description: Voltage threshold value headset button7 + minimum: 0 + maximum: 500000 + clock-output-names: const: mclk @@ -159,6 +217,13 @@ examples: qcom,micbias2-microvolt = <1800000>; qcom,micbias3-microvolt = <1800000>; qcom,micbias4-microvolt = <1800000>; + qcom,hphl-jack-type-normally-closed; + qcom,ground-jack-type-normally-closed; + qcom,mbhc-button0-vthreshold-microvolt = <75000>; + qcom,mbhc-button1-vthreshold-microvolt = <150000>; + qcom,mbhc-button2-vthreshold-microvolt = <237000>; + qcom,mbhc-headset-vthreshold-microvolt = <1700000>; + qcom,mbhc-headphone-vthreshold-microvolt = <50000>; clock-names = "extclk"; clocks = <&rpmhcc 2>; -- 2.21.0