diff --git a/bindings/usb/qcom,msm-phy.txt b/bindings/usb/qcom,msm-phy.txt
index 36e1c0da..4ee13195 100644
--- a/bindings/usb/qcom,msm-phy.txt
+++ b/bindings/usb/qcom,msm-phy.txt
@@ -123,6 +123,8 @@ Optional properties:
  - extcon : phandle to external connector devices which provide type-C based
             "USB-HOST" cable events. This phandle is used for notifying number
             of lanes used in case of USB+DP concurrent mode to driver.
+ - usb3_dp_phy_gdsc-supply: phandle to GDSC regulator device tree node related
+   to USB QMP DP PHY.
 
 Example:
 	ssphy0: ssphy@f9b38000 {
@@ -134,6 +136,7 @@ Example:
 		vdd-supply = <&pmd9635_l4>;
 		vdda18-supply = <&pmd9635_l8>;
 		qcom,vdd-voltage-level = <0 900000 1050000>;
+		usb3_dp_phy_gdsc-supply = <&gcc_usb3_phy_gdsc>;
 		qcom,vbus-valid-override;
 
 		clocks = <&clock_gcc clk_gcc_usb3_phy_aux_clk>,
diff --git a/qcom/kalama-usb.dtsi b/qcom/kalama-usb.dtsi
index e581abf2..941b256b 100644
--- a/qcom/kalama-usb.dtsi
+++ b/qcom/kalama-usb.dtsi
@@ -134,6 +134,7 @@
 		qcom,vdd-max-load-uA = <47000>;
 		core-supply = <&pm_v6e_l3>;
 
+		usb3_dp_phy_gdsc-supply = <&gcc_usb3_phy_gdsc>;
 		clocks = <&gcc GCC_USB3_PRIM_PHY_AUX_CLK>,
 			<&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>,
 			<&gcc GCC_USB3_PRIM_PHY_PIPE_CLK_SRC>,