diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.c
index 1a6761c42..e2ec728b0 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.c
@@ -1,10 +1,3 @@
 #include "rk3568_usb.h"
 
 
-int enable_dwc3_rk3568(){
-    return 0;
-};
-
-int disable_dwc3_rk3568(){
-    return 0;
-};
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.h
index 52eddeff1..0b6b443ad 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/dev/rk3568/rk3568_usb.h
@@ -1,6 +1,8 @@
 #ifndef RK3568_USB_H_
 #define RK3568_USB_H_
 
-int enable_rk3568_usb = 0;
+#include "dwc3.h"
+
+
 
 #endif
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/Makefile b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/Makefile
index f2783839d..f79b6fc78 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/Makefile
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/Makefile
@@ -1,4 +1,4 @@
-SRC_DIR := xhci
+SRC_DIR := xhci dwc3
 
 
-include $(KERNEL_ROOT)/compiler.mk
\ No newline at end of file
+include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/Makefile b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/Makefile
new file mode 100644
index 000000000..02ff013b2
--- /dev/null
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/Makefile
@@ -0,0 +1,11 @@
+include $(KERNEL_ROOT)/services/drivers/usb/components/usb.mk
+
+objs += dwc3.o
+
+all: ${objs} 
+	@echo "generate $^"
+	@mv $^ $(KERNEL_ROOT)/services/drivers/usb/components
+
+%.o: %.c
+	@echo "cc $^"
+	@${cc} ${cflags} ${c_useropts} ${INC_DIR} -o $@ -c $^
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
new file mode 100644
index 000000000..22e6d852f
--- /dev/null
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
@@ -0,0 +1 @@
+#include "dwc3.h"
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
new file mode 100644
index 000000000..893db2789
--- /dev/null
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
@@ -0,0 +1,16 @@
+#ifndef DWC3_H_
+#define DWC3_H_
+
+
+#include "usbh_core.h"
+#include "usbh_hub.h"
+#include "xhci_reg.h"
+#include "xhci.h"
+#include "gadget.h"
+
+
+
+
+
+
+#endif
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/gadget.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/gadget.h
new file mode 100644
index 000000000..f3100e07e
--- /dev/null
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/gadget.h
@@ -0,0 +1,28 @@
+#ifndef GADGET_H_
+#define GADGET_H_
+
+#include <strings.h>
+#include <stdint.h>
+#include "usbh_core.h"
+
+struct usb_gadget {
+    int speed;
+    int max_speed;
+    int state;
+    uint8_t is_dualspeed:1;
+    uint8_t is_otg:1;
+    uint8_t is_a_peripheral:1;
+    uint8_t b_hnp_enable:1;
+    uint8_t a_hnp_support:1;
+    uint8_t a_alt_hnp_support:1;
+    uint8_t quirk_ep_out_aligned_size:1;
+    const char *name;
+    void *dev;
+};
+
+
+
+
+
+
+#endif
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
index 331859e78..b6f00e2a2 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/usb.mk
@@ -43,6 +43,7 @@ INC_DIR = 	-I$(KERNEL_ROOT)/services/drivers/usb/ \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/mem \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/osal \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/port \
+		-I$(KERNEL_ROOT)/services/drivers/usb/components/port/dwc3 \
 		-I$(KERNEL_ROOT)/services/drivers/usb/components/port/xhci \
 		-I$(KERNEL_ROOT)/services/drivers/usb/usb_service \
 		-I$(KERNEL_ROOT)/services//semaphore \