diff --git a/qcom/sun-usb.dtsi b/qcom/sun-usb.dtsi
index 37950ac4..f1a31f7b 100644
--- a/qcom/sun-usb.dtsi
+++ b/qcom/sun-usb.dtsi
@@ -36,6 +36,15 @@
 		qcom,core-clk-rate-hs = <66666667>;
 		qcom,core-clk-rate-disconnected = <133333333>;
 
+		qcom,num-gsi-evt-buffs = <0x3>;
+		qcom,gsi-reg-offset =
+			<0x0fc /* GSI_GENERAL_CFG */
+			0x110 /* GSI_DBL_ADDR_L */
+			0x120 /* GSI_DBL_ADDR_H */
+			0x130 /* GSI_RING_BASE_ADDR_L */
+			0x144 /* GSI_RING_BASE_ADDR_H */
+			0x1a4>; /* GSI_IF_STS */
+
 		dwc3@a600000 {
 			compatible = "snps,dwc3";
 			reg = <0xa600000 0xd93c>;