X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;f=Documentation%2Fdevicetree%2Fbindings%2Fsound%2Fts3a227e.txt;h=a836881d96085895619a122d2f1614aa62c93836;hb=dacff834fa20b213c258175b7745a55eb35ea5b3;hp=e8bf23eb1803f6497224ef4ade437f6eae74111f;hpb=84dccbee2fb9cce9d58665aa461f905835e75038;p=cascardo%2Flinux.git

diff --git a/Documentation/devicetree/bindings/sound/ts3a227e.txt b/Documentation/devicetree/bindings/sound/ts3a227e.txt
index e8bf23eb1803..a836881d9608 100644
--- a/Documentation/devicetree/bindings/sound/ts3a227e.txt
+++ b/Documentation/devicetree/bindings/sound/ts3a227e.txt
@@ -13,6 +13,11 @@ Required properties:
  - interrupt-parent:	The parent interrupt controller
  - interrupts:		Interrupt number for /INT pin from the 227e
 
+Optional properies:
+ - ti,micbias:   Intended MICBIAS voltage (datasheet section 9.6.7).
+      Select 0/1/2/3/4/5/6/7 to specify MACBIAS voltage
+      2.1V/2.2V/2.3V/2.4V/2.5V/2.6V/2.7V/2.8V
+      Default value is "1" (2.2V).
 
 Examples: