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>

diff --git a/Documentation/devicetree/bindings/sound/tlv320aic3x.txt b/Documentation/devicetree/bindings/sound/tlv320aic3x.txt
index 705a6b156c6c4fc00713443f5fa631996b259401..ba2647751aa5fe10a3157f34e5f555ed69a89610 100644 (file)
--- 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>;
 };