Thanks for your review,
On 10/09/18 21:06, Rob Herring wrote:
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@xxxxxxxxxx>
---
.../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.
+- o qcom,mbhc-vthreshold:
Needs unit suffix.
Make sense, I will modify it
qcom,mbhc-vthreshold-millivolt
>
+ 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 jack
+ is NC (Normally Closed).
Is the not specified case the more common case? If not, it should be.
Yes, that is correct. In normal uscases we do not need these properties.
+
+- 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 on
+ jack is NC (Normally Closed).
+
- vdd-buck-supply:
Usage: required
Value type: <phandle>
--
2.18.0
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