diff --git a/wifi/1.4/IWifiChip.hal b/wifi/1.4/IWifiChip.hal
new file mode 100644
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+++ b/wifi/1.4/IWifiChip.hal
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * 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 android.hardware.wifi@1.4;
+
+import @1.0::WifiStatus;
+import @1.0::IWifiIface;
+import @1.3::IWifiChip;
+import IWifiRttController;
+
+/**
+ * Interface that represents a chip that must be configured as a single unit.
+ */
+interface IWifiChip extends @1.3::IWifiChip {
+    /**
+     * Create a RTTController instance.
+     *
+     * RTT controller can be either:
+     * a) Bound to a specific iface by passing in the corresponding |IWifiIface|
+     * object in |iface| param, OR
+     * b) Let the implementation decide the iface to use for RTT operations by
+     * passing null in |iface| param.
+     *
+     * @param boundIface HIDL interface object representing the iface if
+     *        the responder must be bound to a specific iface, null otherwise.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|
+     */
+    createRttController_1_4(IWifiIface boundIface)
+        generates (WifiStatus status, IWifiRttController rtt);
+};