diff --git a/usb/bundle.json b/usb/bundle.json
index e7aacb134e2be483bba01c8397219fc3a40acf8d..d4d26a3f3aa5c37e6b4eb1f9beb8e7ed3fb73690 100644
--- a/usb/bundle.json
+++ b/usb/bundle.json
@@ -37,7 +37,8 @@
         "//drivers/interface/usb/serial/v1_0:serial_idl_target",
         "//drivers/interface/usb/gadget/mtp/v1_0:usbfn_mtp_idl_target",
         "//drivers/interface/usb/ddk/v1_0:usb_ddk_idl_target",
-        "//drivers/interface/usb/ddk/v1_1:usb_ddk_idl_target"
+        "//drivers/interface/usb/ddk/v1_1:usb_ddk_idl_target",
+        "//drivers/interface/usb/ddk/v1_2:usb_ddk_idl_target"
       ],
       "test": [],
       "inner_kits": [
@@ -174,6 +175,34 @@
             "header_base": "//drivers/interface/usb"
           }
         },
+        {
+          "name": "//drivers/interface/usb/ddk/v1_2:libusb_ddk_proxy_1.2",
+          "header": {
+            "header_files": [],
+            "header_base": "//drivers/interface/usb/ddk"
+          }
+        },
+        {
+          "name": "//drivers/interface/usb/ddk/v1_2:libusb_ddk_stub_1.2",
+          "header": {
+            "header_files": [],
+            "header_base": "//drivers/interface/usb/ddk"
+          }
+        },
+        {
+          "name": "//drivers/interface/usb/ddk/v1_2:usb_ddk_idl_headers",
+          "header": {
+            "header_files": [],
+            "header_base": "//drivers/interface/usb/ddk"
+          }
+        },
+        {
+          "name": "//drivers/interface/usb/ddk/v1_2:usb_ddk_idl_headers_1.2",
+          "header": {
+            "header_files": [],
+            "header_base": "//drivers/interface/usb/ddk"
+          }
+        },
         {
           "name": "//drivers/interface/usb/ddk/v1_1:libusb_ddk_proxy_1.1",
           "header": {
diff --git a/usb/ddk/v1_2/BUILD.gn b/usb/ddk/v1_2/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..50d4e17337133d5cb09b1730fadcae1a9ad60650
--- /dev/null
+++ b/usb/ddk/v1_2/BUILD.gn
@@ -0,0 +1,29 @@
+# Copyright (c) 2025 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import("//build/config/components/hdi/hdi.gni")
+hdi("usb_ddk") {
+  module_name = "usb_ddk"
+  imports = [ "ohos.hdi.usb.ddk.v1_1:usb_ddk" ]
+
+  sources = [
+    "IUsbDdk.idl",
+    "IEventListener.idl",
+    "UsbDdkTypes.idl",
+  ]
+
+  language = "cpp"
+  mode = "ipc"
+  subsystem_name = "hdf"
+  part_name = "drivers_interface_usb"
+}
diff --git a/usb/ddk/v1_2/IEventListener.idl b/usb/ddk/v1_2/IEventListener.idl
new file mode 100644
index 0000000000000000000000000000000000000000..ef69d8738daec19fe11c5a0d170b9c3644fef1bf
--- /dev/null
+++ b/usb/ddk/v1_2/IEventListener.idl
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package ohos.hdi.usb.ddk.v1_2;
+
+import ohos.hdi.usb.ddk.v1_2.UsbDdkTypes;
+
+/**
+ * @brief DDK Service notifies the peripheral extension framework of SA fault events through this listener.
+ *
+ * @since 3.2
+ */
+[callback] interface IEventListener {
+    OnEvent([in] Event event);
+}
\ No newline at end of file
diff --git a/usb/ddk/v1_2/IUsbDdk.idl b/usb/ddk/v1_2/IUsbDdk.idl
new file mode 100644
index 0000000000000000000000000000000000000000..8650163e3169524410ff4027668597a02c0e2038
--- /dev/null
+++ b/usb/ddk/v1_2/IUsbDdk.idl
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup HdiUsbDdk
+ * @{
+ *
+ * @brief Provides USB DDK APIs to open and close USB interfaces, perform non-isochronous and isochronous\n
+ * data transfer over USB pipes, and implement control transfer and interrupt transfer, etc.
+ * @since 5.1
+ * @version 1.2
+ */
+
+/**
+ * @file IUsbDdk.idl
+ *
+ * @brief Declares the USB DDK APIs used by the USB host to access USB devices.
+ *
+ * @since 5.1
+ * @version 1.2
+ */
+
+package ohos.hdi.usb.ddk.v1_2;
+
+import ohos.hdi.usb.ddk.v1_1.IUsbDdk;
+import ohos.hdi.usb.ddk.v1_2.IEventListener;
+
+/**
+ * @brief The DDK Service defines a registration listener function for notifying the peripheral extension framework of SA fault events. 
+ * The peripheral extension framework SA invokes this listener function through IPC.
+ * @since 5.1
+ * @version 1.2
+ */
+interface IUsbDdk extends ohos.hdi.usb.ddk.v1_1.IUsbDdk
+{
+    RegisterListener([in] IEventListener listener);
+}
diff --git a/usb/ddk/v1_2/UsbDdkTypes.idl b/usb/ddk/v1_2/UsbDdkTypes.idl
new file mode 100644
index 0000000000000000000000000000000000000000..819730a5da198c9b370ec4a6a8053cbb80a6a130
--- /dev/null
+++ b/usb/ddk/v1_2/UsbDdkTypes.idl
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @addtogroup HdiUsbDdk
+ * @{
+ *
+ * @brief Provides USB DDK types and declares the macros, enumerated variables, and\n
+ * data structures required by the USB DDK APIs.
+ *
+ * @since 5.1
+ * @version 1.1
+ */
+
+/**
+ * @addtogroup HdiUsbDdk
+ * @{
+ *
+ * @brief Provides USB DDK types and declares the macros, enumerated variables, and\n
+ * data structures required by the USB DDK APIs.
+ *
+ * @since 5.1
+ * @version 1.1
+ */
+
+/**
+ * @file UsbDdkTypes.idl
+ *
+ * @brief Provides the enumerated variables, structures, and macros used in USB DDK APIs.
+ *
+ * @since 5.1
+ * @version 1.2
+ */
+
+package ohos.hdi.usb.ddk.v1_2;
+
+import ohos.hdi.usb.ddk.v1_1.UsbDdkTypes;
+
+/**
+ * @brief Defines event info.
+ *
+ * @since 5.1
+ * @version 1.0
+ */
+struct Event {
+    /** event domain */
+    String domain;
+    /** event name */
+    String name;
+};
\ No newline at end of file