DSI host needs REFGEN to be enabled (if it's present on a given platform).
Allow consuming it.

Signed-off-by: Konrad Dybcio <konrad.dyb...@linaro.org>
---
 .../devicetree/bindings/display/msm/dsi-controller-main.yaml          | 4 ++++
 1 file changed, 4 insertions(+)

diff --git 
a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml 
b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
index 01848bdd5873..76270992305a 100644
--- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
+++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml
@@ -166,6 +166,10 @@ properties:
     description:
       Phandle to vdd regulator device node
 
+  refgen-supply:
+    description:
+      Phandle to REFGEN regulator device node
+
   vcca-supply:
     description:
       Phandle to vdd regulator device node

-- 
2.41.0

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