diff --git a/tuna-wcn7750-bt.dtsi b/tuna-wcn7750-bt.dtsi
index 74e39f50..fafcb279 100644
--- a/tuna-wcn7750-bt.dtsi
+++ b/tuna-wcn7750-bt.dtsi
@@ -78,6 +78,13 @@
 	};
 };
 
+&swr4 {
+	btswr_slave: btswr-slave {
+		compatible = "qcom,btfmswr_slave";
+		reg = <0x02 0x08170220>;
+	};
+};
+
 //uart instance
 &qupv3_se14_4uart {
 	status = "ok";