Merge tag 'libnvdimm-for-4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw...

[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / sound / max98090.txt

diff --git a/Documentation/devicetree/bindings/sound/max98090.txt b/Documentation/devicetree/bindings/sound/max98090.txt
index aa802a2..4e3be66 100644 (file)
--- a/Documentation/devicetree/bindings/sound/max98090.txt
+++ b/Documentation/devicetree/bindings/sound/max98090.txt
@@ -18,6 +18,12 @@ Optional properties:
 
 - maxim,dmic-freq: Frequency at which to clock DMIC
 
+- maxim,micbias: Micbias voltage applies to the analog mic, valid voltages value are:
+       0 - 2.2v
+       1 - 2.55v
+       2 - 2.4v
+       3 - 2.8v
+
 Pins on the device (for linking into audio routes):
 
   * MIC1