stk3310 and stk3311 are typically connected to power supplies for the
chip (vdd) and the infrared LED (leda). Add properties so we can power
these up / down appropriately.

Signed-off-by: Aren Moynihan <aren@peacevolution.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---

Notes:
    Changes in v2:
     - add leda-supply
     - add supplies to examples

 Documentation/devicetree/bindings/iio/light/stk33xx.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/light/stk33xx.yaml b/Documentation/devicetree/bindings/iio/light/stk33xx.yaml
index e4341fdced98..96ee8ec16463 100644
--- a/Documentation/devicetree/bindings/iio/light/stk33xx.yaml
+++ b/Documentation/devicetree/bindings/iio/light/stk33xx.yaml
@@ -34,6 +34,8 @@ properties:
   interrupts:
     maxItems: 1
 
+  vdd-supply: true
+  leda-supply: true
   proximity-near-level: true
 
 required:
@@ -57,6 +59,8 @@ examples:
                 proximity-near-level = <25>;
                 interrupt-parent = <&gpio1>;
                 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
+                vdd-supply = <&vdd_regulator>;
+                leda-supply = <&led_regulator>;
         };
     };
 ...
-- 
2.47.0