diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.c b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.c
index c9c52dbe9..4ee4cdec2 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.c
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.c
@@ -1 +1,39 @@
+/*
+ * Copyright : (C) 2022 Phytium Information Technology, Inc.
+ * All Rights Reserved.
+ *
+ * This program is OPEN SOURCE software: you can redistribute it and/or modify it
+ * under the terms of the Phytium Public License as published by the Phytium Technology Co.,Ltd,
+ * either version 1.0 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the Phytium Public License for more details.
+ *
+ *
+ * FilePath: usb_hc_xhci.c
+ * Date: 2022-09-19 17:24:36
+ * LastEditTime: 2022-09-19 17:24:36
+ * Description:  This file is for xhci function implementation.
+ *
+ * Modify History:
+ *  Ver   Who        Date         Changes
+ * ----- ------     --------    --------------------------------------
+ * 1.0   zhugengyu  2022/9/19   init commit
+ * 1.1   zhugengyu  2022/10/9   add dumpers and fix command abort
+ * 2.0   zhugengyu  2023/3/29   support usb3.0 device attached at roothub
+ */
+
+
+/*************************************************
+File name: usb_hc_xhci.h
+Description: the xhci functions to dock with the USB core layer.
+Others: take CherryUSB v0.1.2/CherryUSB/osal/usb_osal.h for references
+                https://github.com/cherry-embedded/CherryUSB/blob/v0.10.2/osal/usb_osal.h
+History: 
+1. Date: 2024-06-17
+Author: AIIT XUOS Lab
+Modification: rewrite xhci functions to dock with USB core layer, so that the USB core can easily expand to other USB IP.
+*************************************************/
 #include "usb_hc_xhci.h"
+
diff --git a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.h b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.h
index f896e8207..c1821f1fe 100644
--- a/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.h
+++ b/Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/xhci/usb_hc_xhci.h
@@ -2,8 +2,90 @@
 #define USB_HC_XHCI_H_
 
 #include "xhci.h"
+#include "usbh_core.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief xHCI host controller hardware init.
+ *
+ * @return On success will return 0, and others indicate fail.
+ */
+int xhci_usb_hc_init(uint32_t id);
+
+/**
+ * @brief Get frame number.
+ *
+ * @return frame number.
+ */
+uint16_t xhci_usbh_get_frame_number(void);
+/**
+ * @brief control roothub.
+ *
+ * @param usb usb bus instance
+ * @param setup setup request buffer.
+ * @param buf buf for reading response or write data.
+ * @return On success will return 0, and others indicate fail.
+ */
+int xhci_usbh_roothub_control(struct usbh_bus *usb, struct usb_setup_packet *setup, uint8_t *buf);
+
+/**
+ * @brief reconfig endpoint pipe.
+ *
+ * @param pipe A memory allocated for pipe.
+ * @param dev_addr device address.
+ * @param ep_mps endpoint max packet size.
+ * @param mult endpoint additional transcation
+ * @return On success will return 0, and others indicate fail.
+ */
+int xhci_usbh_ep_pipe_reconfigure(struct usbh_bus *usb, usbh_pipe_t pipe, uint8_t dev_addr, uint8_t ep_mps, uint8_t mult);
+
+/**
+ * @brief Allocate pipe for endpoint
+ *
+ * @param pipe A memory location provided by the caller in which to save the allocated pipe.
+ * @param ep_cfg Describes the endpoint info to be allocated.
+ * @return  On success will return 0, and others indicate fail.
+ */
+int xhci_usbh_pipe_alloc(usbh_pipe_t *pipe, const struct usbh_endpoint_cfg *ep_cfg);
+
+/**
+ * @brief Free a pipe in which saves endpoint info.
+ *
+ * @param pipe A memory location provided by the caller in which to free the allocated endpoint info.
+ * @return On success will return 0, and others indicate fail.
+ */
+int xhci_usbh_pipe_free(usbh_pipe_t pipe);
+
+/**
+ * @brief Submit a usb transfer request to an xHCI endpoint.
+ *
+ * If timeout is not zero, this function will be in poll transfer mode,
+ * otherwise will be in async transfer mode.
+ *
+ * @param urb Usb request block.
+ * @return  On success will return 0, and others indicate fail.
+ */
+int xhci_usbh_submit_urb(struct usbh_urb *urb);
+
+/**
+ * @brief Cancel a transfer request.
+ *
+ * This function will call When calls usbh_submit_urb and return -ETIMEOUT or -ESHUTDOWN.
+ *
+ * @param urb Usb request block.
+ * @return  On success will return 0, and others indicate fail.
+ */
+int xhci_usbh_kill_urb(struct usbh_urb *urb);
+
+void XHCI_USBH_IRQHandler(void *param);
 
 
+#ifdef __cplusplus
+}
+#endif
 
 
 #endif