diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
index be9300194..d835f94e8 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
@@ -1,2 +1,22 @@
 #include "dwc3.h"
-#include "usb_config.h"
\ No newline at end of file
+#include "usb_config.h"
+
+
+void dwc3_of_parse(struct dwc3 *dwc){
+
+}
+
+
+
+int dwc3_host_init(struct dwc3 *dwc){
+    return 0;
+}
+
+
+
+enum usb_phy_interface usb_get_phy_mode(uint32_t id){
+    return USBPHY_INTERFACE_MODE_UTMIW;
+}
+
+
+
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
index 2323e2363..faf4cf6bb 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
@@ -861,6 +861,13 @@ struct dwc3_gadget_ep_cmd_params {
 #define DWC3_HAS_XHCI			BIT(1)
 #define DWC3_HAS_OTG			BIT(3)
 
+void dwc3_of_parse(struct dwc3 *dwc);
+
+
+int dwc3_host_init(struct dwc3 *dwc);
+
+enum usb_phy_interface usb_get_phy_mode(uint32_t id);
+
 
 
 #endif