--- /dev/null
+/**
+ * \file
+ *
+ * \brief Instance description for CCL
+ *
+ * Copyright (c) 2017 Microchip Technology Inc.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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 Licence 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.
+ *
+ * \asf_license_stop
+ *
+ */
+
+#ifndef _SAMD51_CCL_INSTANCE_
+#define _SAMD51_CCL_INSTANCE_
+
+/* ========== Register definition for CCL peripheral ========== */
+#if (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
+#define REG_CCL_CTRL (0x42003800) /**< \brief (CCL) Control */
+#define REG_CCL_SEQCTRL0 (0x42003804) /**< \brief (CCL) SEQ Control x 0 */
+#define REG_CCL_SEQCTRL1 (0x42003805) /**< \brief (CCL) SEQ Control x 1 */
+#define REG_CCL_LUTCTRL0 (0x42003808) /**< \brief (CCL) LUT Control x 0 */
+#define REG_CCL_LUTCTRL1 (0x4200380C) /**< \brief (CCL) LUT Control x 1 */
+#define REG_CCL_LUTCTRL2 (0x42003810) /**< \brief (CCL) LUT Control x 2 */
+#define REG_CCL_LUTCTRL3 (0x42003814) /**< \brief (CCL) LUT Control x 3 */
+#else
+#define REG_CCL_CTRL (*(RwReg8 *)0x42003800UL) /**< \brief (CCL) Control */
+#define REG_CCL_SEQCTRL0 (*(RwReg8 *)0x42003804UL) /**< \brief (CCL) SEQ Control x 0 */
+#define REG_CCL_SEQCTRL1 (*(RwReg8 *)0x42003805UL) /**< \brief (CCL) SEQ Control x 1 */
+#define REG_CCL_LUTCTRL0 (*(RwReg *)0x42003808UL) /**< \brief (CCL) LUT Control x 0 */
+#define REG_CCL_LUTCTRL1 (*(RwReg *)0x4200380CUL) /**< \brief (CCL) LUT Control x 1 */
+#define REG_CCL_LUTCTRL2 (*(RwReg *)0x42003810UL) /**< \brief (CCL) LUT Control x 2 */
+#define REG_CCL_LUTCTRL3 (*(RwReg *)0x42003814UL) /**< \brief (CCL) LUT Control x 3 */
+#endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
+
+/* ========== Instance parameters for CCL peripheral ========== */
+#define CCL_GCLK_ID 33 // GCLK index for CCL
+#define CCL_LUT_NUM 4 // Number of LUT in a CCL
+#define CCL_SEQ_NUM 2 // Number of SEQ in a CCL
+
+#endif /* _SAMD51_CCL_INSTANCE_ */