diff --git a/wifi/1.1/IWifiChip.hal b/wifi/1.1/IWifiChip.hal
new file mode 100644
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+++ b/wifi/1.1/IWifiChip.hal
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+/*
+ * Copyright 2016 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@1.1;
+
+import @1.0::IWifiChip;
+import @1.0::WifiStatus;
+
+/**
+ * Interface that represents a chip that must be configured as a single unit.
+ * The HAL/driver/firmware will be responsible for determining which phy is used
+ * to perform operations like NAN, RTT, etc.
+ */
+interface IWifiChip extends @1.0::IWifiChip {
+  /**
+   * Capabilities exposed by this chip.
+   */
+  enum ChipCapabilityMask : @1.0::IWifiChip.ChipCapabilityMask {
+    /**
+     * Set/Reset Tx Power limits.
+     */
+    SET_TX_POWER_LIMIT = 1 << 8
+  };
+
+  /**
+   * API to set TX power limit.
+   * This is used for meeting SAR requirements while making VOIP calls for
+   * example.
+   *
+   * @param powerInDbm Power level in dBm.
+   * @return status WifiStatus of the operation.
+   *         Possible status codes:
+   *         |WifiStatusCode.SUCCESS|,
+   *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+   *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+   *         |WifiStatusCode.NOT_AVAILABLE|,
+   *         |WifiStatusCode.UNKNOWN|
+   */
+  setTxPowerLimit(int32_t powerInDbm) generates (WifiStatus status);
+
+  /**
+   * API to reset TX power limit.
+   * This is used to set the power back to default values.
+   *
+   * @return status WifiStatus of the operation.
+   *         Possible status codes:
+   *         |WifiStatusCode.SUCCESS|,
+   *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+   *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+   *         |WifiStatusCode.NOT_AVAILABLE|,
+   *         |WifiStatusCode.UNKNOWN|
+   */
+  resetTxPowerLimit() generates (WifiStatus status);
+};