diff --git a/bindings/bluetooth/btpower.txt b/bindings/bluetooth/btpower.txt
index b78f3cf1..8b7d10bd 100644
--- a/bindings/bluetooth/btpower.txt
+++ b/bindings/bluetooth/btpower.txt
@@ -21,6 +21,8 @@ Optional properties:
 	- qcom,bt-vdd-xtal-supply: Bluetooth VDD XTAL regulator handle
 	- qcom,bt-vdd-core-supply: Bluetooth VDD CORE regulator handle
 	- qcom,bt-vdd-asd-supply: Bluetooth VDD regulator handle for antenna switch
+	- reg: Memory regions defined as starting address and size
+	- reg-names: Names of the memory regions defined in reg entry
     diversity.
 	- qcom,bt-chip-pwd-supply: Chip power down gpio is required when bluetooth
 		module and other modules like wifi co-exist in a singe chip and
@@ -29,7 +31,7 @@ Optional properties:
                           in pairs (min, max), units uV.  There can be optional
                           load in curr, unit uA. Last entry specifies if the retention
                           mode is supported for the regulator.
-
+  - qcom,tcs_offset_ipa: TCS CMD register offset for Voltage
 Example:
 	bluetooth: bt_qca6490 {
 		compatible = "qcom,qca6390", "qcom,qca6490";
diff --git a/qcom/lahaina.dtsi b/qcom/lahaina.dtsi
index b96addc3..ec8e033f 100644
--- a/qcom/lahaina.dtsi
+++ b/qcom/lahaina.dtsi
@@ -5482,8 +5482,12 @@
 
 	bluetooth: bt_qca6490 {
 		compatible = "qcom,qca6490";
+		reg = <0xb2e5510 0x690>;
+		reg-names = "tcs_cmd";
 		pinctrl-names = "default";
 		pinctrl-0 = <&bt_en_sleep>;
+		/* offset=(0xC8*6) + (0x10*2) */
+		qcom,tcs_offset_ipa = <0x4D0>;
 		qcom,bt-reset-gpio = <&tlmm 65 0>; /* BT_EN */
 		qcom,bt-sw-ctrl-gpio = <&tlmm 153 0>; /* SW_CTRL */
 		qcom,bt-vdd-aon-supply = <&S11B>;