diff --git a/qcom/tuna-regulators.dtsi b/qcom/tuna-regulators.dtsi
index 32bfa254..99caf721 100644
--- a/qcom/tuna-regulators.dtsi
+++ b/qcom/tuna-regulators.dtsi
@@ -1367,4 +1367,15 @@
 			qcom,init-voltage = <3304000>;
 		};
 	};
+
+	rpmh-regulator-vrm-wcal {
+		compatible = "qcom,rpmh-pbs-regulator";
+		qcom,resource-name = "vrm.wcal";
+
+		WCAL_PBS:
+		pmk8550_wcal_pbs: regulator-pmk8550-wcal-pbs {
+			regulator-name = "pmk8550_wcal_pbs";
+			qcom,set = <RPMH_REGULATOR_SET_ALL>;
+		};
+	};
 };