ASoC: dt-bindings: nau8825: Add delay control for input path

[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / sound / nau8825.txt

diff --git a/Documentation/devicetree/bindings/sound/nau8825.txt b/Documentation/devicetree/bindings/sound/nau8825.txt
index cb861ac..a9c3452 100644 (file)
--- a/Documentation/devicetree/bindings/sound/nau8825.txt
+++ b/Documentation/devicetree/bindings/sound/nau8825.txt
@@ -74,6 +74,9 @@ Optional properties:
   - nuvoton,adcout-drive-strong: make the drive strength of ADCOUT IO PIN strong if set.
       Otherwise, the drive keeps normal strength.
 
+  - nuvoton,adc-delay-ms: Delay (in ms) to make input path stable and avoid pop noise. The
+      default value is 125 and range between 125 to 500 ms.
+
   - clocks: list of phandle and clock specifier pairs according to common clock bindings for the
       clocks described in clock-names
   - clock-names: should include "mclk" for the MCLK master clock