On Tue, Sep 04, 2018 at 11:24:57AM +0100, Srinivas Kandagatla wrote:
This patch add new bindings required to support MBHC (Multi Button Headset Control) block in the codec. This block is used for jack insert/removal detection, headset type detection and 8 button press/release events.
All these properties are very much specific to board.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org
.../bindings/sound/qcom,wcd9335.txt | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt index 5d6ea66a863f..4d56c3ca9fa8 100644 --- a/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt +++ b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt @@ -55,6 +55,26 @@ Required properties with SLIMbus Interface: Value type: <string> Definition: Must contain "mclk", "mclk2" and "slimbus" strings.
+- qcom,mbhc-vthreshold:
Needs unit suffix.
- Usage: Optional, only required if headset button support required.
- Value type: <u32 array>
- Definition: Must contain an array of 8 threshold voltages in mV for
8 buttons detection on headset.+- qcom,hphl-jack-type-normally-open:
- Usage: Optional, only required if headset button support required.
It's not required if the pin is NC, right?
- Value type: <boolean>
- Definition: present if hphl pin on jack is a NO (Normally Open).
If not specified, then its assumed that hphl pin on jackis NC (Normally Closed).
Is the not specified case the more common case? If not, it should be.
+- qcom,gnd-jack-type-normally-open:
- Usage: Optional, only required if headset button support required.
Same here.
- Value type: <boolean>
- Definition: present if gnd pin on jack is NO (Normally Open).
If not specified, then its assumed that gnd pin onjack is NC (Normally Closed).
- vdd-buck-supply: Usage: required Value type: <phandle>
-- 2.18.0