diff --git a/biometrics/fingerprint/2.2/IBiometricsFingerprint.hal b/biometrics/fingerprint/2.2/IBiometricsFingerprint.hal
new file mode 100644
index 0000000..0651034
--- /dev/null
+++ b/biometrics/fingerprint/2.2/IBiometricsFingerprint.hal
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2020 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.biometrics.fingerprint@2.2;
+
+import @2.1::IBiometricsFingerprint;
+import @2.1::RequestStatus;
+
+interface IBiometricsFingerprint extends @2.1::IBiometricsFingerprint {
+    /**
+     * Fingerprint enroll request:
+     * Switches the HAL state machine to collect and store a new fingerprint
+     * template. Switches back as soon as enroll is complete, signalled by
+     * (fingerprintMsg.type == FINGERPRINT_TEMPLATE_ENROLLING &&
+     *  fingerprintMsg.data.enroll.samplesRemaining == 0)
+     * or after timeoutSec seconds.
+     * The fingerprint template must be assigned to the group gid.
+     *
+     * @param hat a valid Hardware Authentication Token (HAT), generated
+     * as a result of a preEnroll() call.
+     * @param gid a framework defined fingerprint set (group) id.
+     * @param timeoutSec a timeout in seconds.
+     * @param windowId optional ID of an illumination window for optical under
+     * display fingerprint sensors. Must contain a null pointer if not used.
+     *
+     * @return debugErrno is a value the framework logs in case it is not 0.
+     *
+     * A notify() function may be called with a more detailed error structure.
+     */
+    enroll_2_2(vec<uint8_t> hat, uint32_t gid, uint32_t timeoutSec, handle windowId)
+        generates (RequestStatus debugErrno);
+
+    /**
+     * Authenticates an operation identified by operationId
+     *
+     * @param operationId operation id.
+     * @param gid fingerprint group id.
+     * @param windowId optional ID of an illumination window for optical under
+     * display fingerprint sensors. Must contain a null pointer if not used.
+     *
+     * @return debugErrno is a value the framework logs in case it is not 0.
+     */
+    authenticate_2_2(uint64_t operationId, uint32_t gid, handle windowId)
+        generates (RequestStatus debugErrno);
+};