diff --git a/qcom/sun-usb.dtsi b/qcom/sun-usb.dtsi
index f1a31f7b..02c622a0 100644
--- a/qcom/sun-usb.dtsi
+++ b/qcom/sun-usb.dtsi
@@ -84,6 +84,7 @@
 		vdd-supply = <&pm_v8d_l2>;
 		qcom,vdd-voltage-level = <0 880000 880000>;
 		vdda12-supply = <&pm_v8g_l3>;
+		vdd_refgen-supply = <&pm_v6f_l1>;
 
 		clocks = <&rpmhcc RPMH_CXO_PAD_CLK>,
 			<&tcsrcc TCSR_USB2_CLKREF_EN>;