Add bindings for the avdd-supply and iovdd-supply which are named after
the corresponding pins on the tlv320adcx140 chips.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml b/Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml
index b34ea7824360310434d8b826392864dbfa5fc369..a93de2debbb45a3daebb0e24397e4893262e3a11 100644
--- a/Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml
+++ b/Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml
@@ -44,6 +44,9 @@ properties:
       External supply of 1.8V. If not defined then the internal regulator is
       enabled instead.
 
+  avdd-supply: true
+  iovdd-supply: true
+
   ti,mic-bias-source:
     description: |
       Indicates the source for MIC Bias.

-- 
2.47.3