ASoC: tlv320aic3x: Add regulators to DT bindings document

Add regulator properties to tlv320aic3x DT bindings document.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/tlv320aic3x.txt b/Documentation/devicetree/bindings/sound/tlv320aic3x.txt
index 705a6b156c6c..ba2647751aa5 100644
--- a/Documentation/devicetree/bindings/sound/tlv320aic3x.txt
+++ b/Documentation/devicetree/bindings/sound/tlv320aic3x.txt
@@ -24,10 +24,17 @@ Optional properties:
         3 - MICBIAS output is connected to AVDD,
         If this node is not mentioned or if the value is incorrect, then MicBias
         is powered down.
+- AVDD-supply, IOVDD-supply, DRVDD-supply, DVDD-supply : power supplies for the
+  device as covered in Documentation/devicetree/bindings/regulator/regulator.txt
 
 Example:
 
 tlv320aic3x: tlv320aic3x@1b {
         compatible = "ti,tlv320aic3x";
         reg = <0x1b>;
+
+        AVDD-supply = <&regulator>;
+        IOVDD-supply = <&regulator>;
+        DRVDD-supply = <&regulator>;
+        DVDD-supply = <&regulator>;
 };