diff options
| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2021-06-04 12:52:27 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-06-04 15:28:59 +0100 |
| commit | c6d25d5786090edc7299b32160644bb2e468c25d (patch) | |
| tree | 6daa3968c42cd6aca3b595315bb3271c5001dfdf | |
| parent | f3b3bceb859c76a91ddd43c602428e4451598b3d (diff) | |
| download | lwn-c6d25d5786090edc7299b32160644bb2e468c25d.tar.gz lwn-c6d25d5786090edc7299b32160644bb2e468c25d.zip | |
ASoC: dt-bindings: wcd934x: add bindings for Headset Button detection
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@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210604115230.23259-2-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml index e8f716b5f875..9b225dbf8b79 100644 --- a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml @@ -77,6 +77,31 @@ 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-buttons-vthreshold-microvolt: + description: + Array of 8 Voltage threshold values corresponding to headset + button0 - button7 + minItems: 8 + maxItems: 8 + clock-output-names: const: mclk @@ -159,6 +184,11 @@ 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-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>; + qcom,mbhc-headset-vthreshold-microvolt = <1700000>; + qcom,mbhc-headphone-vthreshold-microvolt = <50000>; clock-names = "extclk"; clocks = <&rpmhcc 2>; |