diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
index 2d84bc400196..9dee131b1e24 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
@@ -330,6 +330,7 @@ endpoint {
 
 &dsi_phy {
 	status = "okay";
+	vdds-supply = <&vreg_l4a_0p8>;
 };
 
 &mdp {