diff options
Diffstat (limited to 'Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml index 6ec80f529d84..69ddfd4afdcd 100644 --- a/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml +++ b/Documentation/devicetree/bindings/sound/samsung,midas-audio.yaml @@ -53,6 +53,9 @@ properties: submic-bias-supply: description: Supply for the micbias on the Sub microphone + headset-mic-bias-supply: + description: Supply for the micbias on the Headset microphone + fm-sel-gpios: maxItems: 1 description: GPIO pin for FM selection @@ -61,6 +64,36 @@ properties: maxItems: 1 description: GPIO pin for line out selection + headset-detect-gpios: + maxItems: 1 + description: GPIO for detection of headset insertion + + headset-key-gpios: + maxItems: 1 + description: GPIO for detection of headset key press + + io-channels: + maxItems: 1 + description: IO channel to read micbias voltage for headset detection + + io-channel-names: + const: headset-detect + + samsung,headset-4pole-threshold-microvolt: + minItems: 2 + maxItems: 2 + description: + Array containing minimum and maximum IO channel value for 4-pole + (with microphone/button) headsets. If the IO channel value is + outside of this range, a 3-pole headset is assumed. + + samsung,headset-button-threshold-microvolt: + minItems: 3 + maxItems: 3 + description: | + Array of minimum (inclusive) IO channel values for headset button + detection, in order: "Media", "Volume Up" and "Volume Down". + required: - compatible - cpu |