[PATCH v4 1/3] dt-bindings: iio: adc: ti,tsc2046: add vref-supply property

[Oleksij Rempel]

Add property for the voltage reference supply.

Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml b/Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml
index 601d69971d84a..7faf12b1598b9 100644
--- a/Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml
@@ -25,6 +25,9 @@ properties:
 
   spi-max-frequency: true
 
+  vref-supply:
+    description: Optional supply of the reference voltage
+
   "#io-channel-cells":
     const: 1
 
-- 
2.30.2