diff --git a/sysmoOCTSIM/include/instance/gclk.h b/sysmoOCTSIM/include/instance/gclk.h
new file mode 100644
index 0000000..cdba2f5
--- /dev/null
+++ b/sysmoOCTSIM/include/instance/gclk.h
@@ -0,0 +1,191 @@
+/**
+ * \file
+ *
+ * \brief Instance description for GCLK
+ *
+ * Copyright (c) 2018 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 _SAME54_GCLK_INSTANCE_
+#define _SAME54_GCLK_INSTANCE_
+
+/* ========== Register definition for GCLK peripheral ========== */
+#if (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
+#define REG_GCLK_CTRLA             (0x40001C00) /**< \brief (GCLK) Control */
+#define REG_GCLK_SYNCBUSY          (0x40001C04) /**< \brief (GCLK) Synchronization Busy */
+#define REG_GCLK_GENCTRL0          (0x40001C20) /**< \brief (GCLK) Generic Clock Generator Control 0 */
+#define REG_GCLK_GENCTRL1          (0x40001C24) /**< \brief (GCLK) Generic Clock Generator Control 1 */
+#define REG_GCLK_GENCTRL2          (0x40001C28) /**< \brief (GCLK) Generic Clock Generator Control 2 */
+#define REG_GCLK_GENCTRL3          (0x40001C2C) /**< \brief (GCLK) Generic Clock Generator Control 3 */
+#define REG_GCLK_GENCTRL4          (0x40001C30) /**< \brief (GCLK) Generic Clock Generator Control 4 */
+#define REG_GCLK_GENCTRL5          (0x40001C34) /**< \brief (GCLK) Generic Clock Generator Control 5 */
+#define REG_GCLK_GENCTRL6          (0x40001C38) /**< \brief (GCLK) Generic Clock Generator Control 6 */
+#define REG_GCLK_GENCTRL7          (0x40001C3C) /**< \brief (GCLK) Generic Clock Generator Control 7 */
+#define REG_GCLK_GENCTRL8          (0x40001C40) /**< \brief (GCLK) Generic Clock Generator Control 8 */
+#define REG_GCLK_GENCTRL9          (0x40001C44) /**< \brief (GCLK) Generic Clock Generator Control 9 */
+#define REG_GCLK_GENCTRL10         (0x40001C48) /**< \brief (GCLK) Generic Clock Generator Control 10 */
+#define REG_GCLK_GENCTRL11         (0x40001C4C) /**< \brief (GCLK) Generic Clock Generator Control 11 */
+#define REG_GCLK_PCHCTRL0          (0x40001C80) /**< \brief (GCLK) Peripheral Clock Control 0 */
+#define REG_GCLK_PCHCTRL1          (0x40001C84) /**< \brief (GCLK) Peripheral Clock Control 1 */
+#define REG_GCLK_PCHCTRL2          (0x40001C88) /**< \brief (GCLK) Peripheral Clock Control 2 */
+#define REG_GCLK_PCHCTRL3          (0x40001C8C) /**< \brief (GCLK) Peripheral Clock Control 3 */
+#define REG_GCLK_PCHCTRL4          (0x40001C90) /**< \brief (GCLK) Peripheral Clock Control 4 */
+#define REG_GCLK_PCHCTRL5          (0x40001C94) /**< \brief (GCLK) Peripheral Clock Control 5 */
+#define REG_GCLK_PCHCTRL6          (0x40001C98) /**< \brief (GCLK) Peripheral Clock Control 6 */
+#define REG_GCLK_PCHCTRL7          (0x40001C9C) /**< \brief (GCLK) Peripheral Clock Control 7 */
+#define REG_GCLK_PCHCTRL8          (0x40001CA0) /**< \brief (GCLK) Peripheral Clock Control 8 */
+#define REG_GCLK_PCHCTRL9          (0x40001CA4) /**< \brief (GCLK) Peripheral Clock Control 9 */
+#define REG_GCLK_PCHCTRL10         (0x40001CA8) /**< \brief (GCLK) Peripheral Clock Control 10 */
+#define REG_GCLK_PCHCTRL11         (0x40001CAC) /**< \brief (GCLK) Peripheral Clock Control 11 */
+#define REG_GCLK_PCHCTRL12         (0x40001CB0) /**< \brief (GCLK) Peripheral Clock Control 12 */
+#define REG_GCLK_PCHCTRL13         (0x40001CB4) /**< \brief (GCLK) Peripheral Clock Control 13 */
+#define REG_GCLK_PCHCTRL14         (0x40001CB8) /**< \brief (GCLK) Peripheral Clock Control 14 */
+#define REG_GCLK_PCHCTRL15         (0x40001CBC) /**< \brief (GCLK) Peripheral Clock Control 15 */
+#define REG_GCLK_PCHCTRL16         (0x40001CC0) /**< \brief (GCLK) Peripheral Clock Control 16 */
+#define REG_GCLK_PCHCTRL17         (0x40001CC4) /**< \brief (GCLK) Peripheral Clock Control 17 */
+#define REG_GCLK_PCHCTRL18         (0x40001CC8) /**< \brief (GCLK) Peripheral Clock Control 18 */
+#define REG_GCLK_PCHCTRL19         (0x40001CCC) /**< \brief (GCLK) Peripheral Clock Control 19 */
+#define REG_GCLK_PCHCTRL20         (0x40001CD0) /**< \brief (GCLK) Peripheral Clock Control 20 */
+#define REG_GCLK_PCHCTRL21         (0x40001CD4) /**< \brief (GCLK) Peripheral Clock Control 21 */
+#define REG_GCLK_PCHCTRL22         (0x40001CD8) /**< \brief (GCLK) Peripheral Clock Control 22 */
+#define REG_GCLK_PCHCTRL23         (0x40001CDC) /**< \brief (GCLK) Peripheral Clock Control 23 */
+#define REG_GCLK_PCHCTRL24         (0x40001CE0) /**< \brief (GCLK) Peripheral Clock Control 24 */
+#define REG_GCLK_PCHCTRL25         (0x40001CE4) /**< \brief (GCLK) Peripheral Clock Control 25 */
+#define REG_GCLK_PCHCTRL26         (0x40001CE8) /**< \brief (GCLK) Peripheral Clock Control 26 */
+#define REG_GCLK_PCHCTRL27         (0x40001CEC) /**< \brief (GCLK) Peripheral Clock Control 27 */
+#define REG_GCLK_PCHCTRL28         (0x40001CF0) /**< \brief (GCLK) Peripheral Clock Control 28 */
+#define REG_GCLK_PCHCTRL29         (0x40001CF4) /**< \brief (GCLK) Peripheral Clock Control 29 */
+#define REG_GCLK_PCHCTRL30         (0x40001CF8) /**< \brief (GCLK) Peripheral Clock Control 30 */
+#define REG_GCLK_PCHCTRL31         (0x40001CFC) /**< \brief (GCLK) Peripheral Clock Control 31 */
+#define REG_GCLK_PCHCTRL32         (0x40001D00) /**< \brief (GCLK) Peripheral Clock Control 32 */
+#define REG_GCLK_PCHCTRL33         (0x40001D04) /**< \brief (GCLK) Peripheral Clock Control 33 */
+#define REG_GCLK_PCHCTRL34         (0x40001D08) /**< \brief (GCLK) Peripheral Clock Control 34 */
+#define REG_GCLK_PCHCTRL35         (0x40001D0C) /**< \brief (GCLK) Peripheral Clock Control 35 */
+#define REG_GCLK_PCHCTRL36         (0x40001D10) /**< \brief (GCLK) Peripheral Clock Control 36 */
+#define REG_GCLK_PCHCTRL37         (0x40001D14) /**< \brief (GCLK) Peripheral Clock Control 37 */
+#define REG_GCLK_PCHCTRL38         (0x40001D18) /**< \brief (GCLK) Peripheral Clock Control 38 */
+#define REG_GCLK_PCHCTRL39         (0x40001D1C) /**< \brief (GCLK) Peripheral Clock Control 39 */
+#define REG_GCLK_PCHCTRL40         (0x40001D20) /**< \brief (GCLK) Peripheral Clock Control 40 */
+#define REG_GCLK_PCHCTRL41         (0x40001D24) /**< \brief (GCLK) Peripheral Clock Control 41 */
+#define REG_GCLK_PCHCTRL42         (0x40001D28) /**< \brief (GCLK) Peripheral Clock Control 42 */
+#define REG_GCLK_PCHCTRL43         (0x40001D2C) /**< \brief (GCLK) Peripheral Clock Control 43 */
+#define REG_GCLK_PCHCTRL44         (0x40001D30) /**< \brief (GCLK) Peripheral Clock Control 44 */
+#define REG_GCLK_PCHCTRL45         (0x40001D34) /**< \brief (GCLK) Peripheral Clock Control 45 */
+#define REG_GCLK_PCHCTRL46         (0x40001D38) /**< \brief (GCLK) Peripheral Clock Control 46 */
+#define REG_GCLK_PCHCTRL47         (0x40001D3C) /**< \brief (GCLK) Peripheral Clock Control 47 */
+#else
+#define REG_GCLK_CTRLA             (*(RwReg8 *)0x40001C00UL) /**< \brief (GCLK) Control */
+#define REG_GCLK_SYNCBUSY          (*(RoReg  *)0x40001C04UL) /**< \brief (GCLK) Synchronization Busy */
+#define REG_GCLK_GENCTRL0          (*(RwReg  *)0x40001C20UL) /**< \brief (GCLK) Generic Clock Generator Control 0 */
+#define REG_GCLK_GENCTRL1          (*(RwReg  *)0x40001C24UL) /**< \brief (GCLK) Generic Clock Generator Control 1 */
+#define REG_GCLK_GENCTRL2          (*(RwReg  *)0x40001C28UL) /**< \brief (GCLK) Generic Clock Generator Control 2 */
+#define REG_GCLK_GENCTRL3          (*(RwReg  *)0x40001C2CUL) /**< \brief (GCLK) Generic Clock Generator Control 3 */
+#define REG_GCLK_GENCTRL4          (*(RwReg  *)0x40001C30UL) /**< \brief (GCLK) Generic Clock Generator Control 4 */
+#define REG_GCLK_GENCTRL5          (*(RwReg  *)0x40001C34UL) /**< \brief (GCLK) Generic Clock Generator Control 5 */
+#define REG_GCLK_GENCTRL6          (*(RwReg  *)0x40001C38UL) /**< \brief (GCLK) Generic Clock Generator Control 6 */
+#define REG_GCLK_GENCTRL7          (*(RwReg  *)0x40001C3CUL) /**< \brief (GCLK) Generic Clock Generator Control 7 */
+#define REG_GCLK_GENCTRL8          (*(RwReg  *)0x40001C40UL) /**< \brief (GCLK) Generic Clock Generator Control 8 */
+#define REG_GCLK_GENCTRL9          (*(RwReg  *)0x40001C44UL) /**< \brief (GCLK) Generic Clock Generator Control 9 */
+#define REG_GCLK_GENCTRL10         (*(RwReg  *)0x40001C48UL) /**< \brief (GCLK) Generic Clock Generator Control 10 */
+#define REG_GCLK_GENCTRL11         (*(RwReg  *)0x40001C4CUL) /**< \brief (GCLK) Generic Clock Generator Control 11 */
+#define REG_GCLK_PCHCTRL0          (*(RwReg  *)0x40001C80UL) /**< \brief (GCLK) Peripheral Clock Control 0 */
+#define REG_GCLK_PCHCTRL1          (*(RwReg  *)0x40001C84UL) /**< \brief (GCLK) Peripheral Clock Control 1 */
+#define REG_GCLK_PCHCTRL2          (*(RwReg  *)0x40001C88UL) /**< \brief (GCLK) Peripheral Clock Control 2 */
+#define REG_GCLK_PCHCTRL3          (*(RwReg  *)0x40001C8CUL) /**< \brief (GCLK) Peripheral Clock Control 3 */
+#define REG_GCLK_PCHCTRL4          (*(RwReg  *)0x40001C90UL) /**< \brief (GCLK) Peripheral Clock Control 4 */
+#define REG_GCLK_PCHCTRL5          (*(RwReg  *)0x40001C94UL) /**< \brief (GCLK) Peripheral Clock Control 5 */
+#define REG_GCLK_PCHCTRL6          (*(RwReg  *)0x40001C98UL) /**< \brief (GCLK) Peripheral Clock Control 6 */
+#define REG_GCLK_PCHCTRL7          (*(RwReg  *)0x40001C9CUL) /**< \brief (GCLK) Peripheral Clock Control 7 */
+#define REG_GCLK_PCHCTRL8          (*(RwReg  *)0x40001CA0UL) /**< \brief (GCLK) Peripheral Clock Control 8 */
+#define REG_GCLK_PCHCTRL9          (*(RwReg  *)0x40001CA4UL) /**< \brief (GCLK) Peripheral Clock Control 9 */
+#define REG_GCLK_PCHCTRL10         (*(RwReg  *)0x40001CA8UL) /**< \brief (GCLK) Peripheral Clock Control 10 */
+#define REG_GCLK_PCHCTRL11         (*(RwReg  *)0x40001CACUL) /**< \brief (GCLK) Peripheral Clock Control 11 */
+#define REG_GCLK_PCHCTRL12         (*(RwReg  *)0x40001CB0UL) /**< \brief (GCLK) Peripheral Clock Control 12 */
+#define REG_GCLK_PCHCTRL13         (*(RwReg  *)0x40001CB4UL) /**< \brief (GCLK) Peripheral Clock Control 13 */
+#define REG_GCLK_PCHCTRL14         (*(RwReg  *)0x40001CB8UL) /**< \brief (GCLK) Peripheral Clock Control 14 */
+#define REG_GCLK_PCHCTRL15         (*(RwReg  *)0x40001CBCUL) /**< \brief (GCLK) Peripheral Clock Control 15 */
+#define REG_GCLK_PCHCTRL16         (*(RwReg  *)0x40001CC0UL) /**< \brief (GCLK) Peripheral Clock Control 16 */
+#define REG_GCLK_PCHCTRL17         (*(RwReg  *)0x40001CC4UL) /**< \brief (GCLK) Peripheral Clock Control 17 */
+#define REG_GCLK_PCHCTRL18         (*(RwReg  *)0x40001CC8UL) /**< \brief (GCLK) Peripheral Clock Control 18 */
+#define REG_GCLK_PCHCTRL19         (*(RwReg  *)0x40001CCCUL) /**< \brief (GCLK) Peripheral Clock Control 19 */
+#define REG_GCLK_PCHCTRL20         (*(RwReg  *)0x40001CD0UL) /**< \brief (GCLK) Peripheral Clock Control 20 */
+#define REG_GCLK_PCHCTRL21         (*(RwReg  *)0x40001CD4UL) /**< \brief (GCLK) Peripheral Clock Control 21 */
+#define REG_GCLK_PCHCTRL22         (*(RwReg  *)0x40001CD8UL) /**< \brief (GCLK) Peripheral Clock Control 22 */
+#define REG_GCLK_PCHCTRL23         (*(RwReg  *)0x40001CDCUL) /**< \brief (GCLK) Peripheral Clock Control 23 */
+#define REG_GCLK_PCHCTRL24         (*(RwReg  *)0x40001CE0UL) /**< \brief (GCLK) Peripheral Clock Control 24 */
+#define REG_GCLK_PCHCTRL25         (*(RwReg  *)0x40001CE4UL) /**< \brief (GCLK) Peripheral Clock Control 25 */
+#define REG_GCLK_PCHCTRL26         (*(RwReg  *)0x40001CE8UL) /**< \brief (GCLK) Peripheral Clock Control 26 */
+#define REG_GCLK_PCHCTRL27         (*(RwReg  *)0x40001CECUL) /**< \brief (GCLK) Peripheral Clock Control 27 */
+#define REG_GCLK_PCHCTRL28         (*(RwReg  *)0x40001CF0UL) /**< \brief (GCLK) Peripheral Clock Control 28 */
+#define REG_GCLK_PCHCTRL29         (*(RwReg  *)0x40001CF4UL) /**< \brief (GCLK) Peripheral Clock Control 29 */
+#define REG_GCLK_PCHCTRL30         (*(RwReg  *)0x40001CF8UL) /**< \brief (GCLK) Peripheral Clock Control 30 */
+#define REG_GCLK_PCHCTRL31         (*(RwReg  *)0x40001CFCUL) /**< \brief (GCLK) Peripheral Clock Control 31 */
+#define REG_GCLK_PCHCTRL32         (*(RwReg  *)0x40001D00UL) /**< \brief (GCLK) Peripheral Clock Control 32 */
+#define REG_GCLK_PCHCTRL33         (*(RwReg  *)0x40001D04UL) /**< \brief (GCLK) Peripheral Clock Control 33 */
+#define REG_GCLK_PCHCTRL34         (*(RwReg  *)0x40001D08UL) /**< \brief (GCLK) Peripheral Clock Control 34 */
+#define REG_GCLK_PCHCTRL35         (*(RwReg  *)0x40001D0CUL) /**< \brief (GCLK) Peripheral Clock Control 35 */
+#define REG_GCLK_PCHCTRL36         (*(RwReg  *)0x40001D10UL) /**< \brief (GCLK) Peripheral Clock Control 36 */
+#define REG_GCLK_PCHCTRL37         (*(RwReg  *)0x40001D14UL) /**< \brief (GCLK) Peripheral Clock Control 37 */
+#define REG_GCLK_PCHCTRL38         (*(RwReg  *)0x40001D18UL) /**< \brief (GCLK) Peripheral Clock Control 38 */
+#define REG_GCLK_PCHCTRL39         (*(RwReg  *)0x40001D1CUL) /**< \brief (GCLK) Peripheral Clock Control 39 */
+#define REG_GCLK_PCHCTRL40         (*(RwReg  *)0x40001D20UL) /**< \brief (GCLK) Peripheral Clock Control 40 */
+#define REG_GCLK_PCHCTRL41         (*(RwReg  *)0x40001D24UL) /**< \brief (GCLK) Peripheral Clock Control 41 */
+#define REG_GCLK_PCHCTRL42         (*(RwReg  *)0x40001D28UL) /**< \brief (GCLK) Peripheral Clock Control 42 */
+#define REG_GCLK_PCHCTRL43         (*(RwReg  *)0x40001D2CUL) /**< \brief (GCLK) Peripheral Clock Control 43 */
+#define REG_GCLK_PCHCTRL44         (*(RwReg  *)0x40001D30UL) /**< \brief (GCLK) Peripheral Clock Control 44 */
+#define REG_GCLK_PCHCTRL45         (*(RwReg  *)0x40001D34UL) /**< \brief (GCLK) Peripheral Clock Control 45 */
+#define REG_GCLK_PCHCTRL46         (*(RwReg  *)0x40001D38UL) /**< \brief (GCLK) Peripheral Clock Control 46 */
+#define REG_GCLK_PCHCTRL47         (*(RwReg  *)0x40001D3CUL) /**< \brief (GCLK) Peripheral Clock Control 47 */
+#endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
+
+/* ========== Instance parameters for GCLK peripheral ========== */
+#define GCLK_GENCTRL0_RESETVALUE    106      // Default specific reset value for generator 0
+#define GCLK_GENDIV_BITS            16      
+#define GCLK_GEN_BITS               4       
+#define GCLK_GEN_NUM                12       // Number of Generic Clock Generators
+#define GCLK_GEN_NUM_MSB            11       // Number of Generic Clock Generators - 1
+#define GCLK_GEN_SOURCE_NUM_MSB     8        // Number of Generic Clock Sources - 1
+#define GCLK_IO_NUM                 8        // Number of Generic Clock I/Os
+#define GCLK_NUM                    48       // Number of Generic Clock Users
+#define GCLK_SOURCE_BITS            4       
+#define GCLK_SOURCE_NUM             9        // Number of Generic Clock Sources
+#define GCLK_SOURCE_XOSC0           0        // Crystal Oscillator 0
+#define GCLK_SOURCE_XOSC            0        //   Alias to GCLK_SOURCE_XOSC0
+#define GCLK_SOURCE_XOSC1           1        // Crystal Oscillator 1
+#define GCLK_SOURCE_GCLKIN          2        // Input Pin of Corresponding GCLK Generator
+#define GCLK_SOURCE_GCLKGEN1        3        // GCLK Generator 1 output
+#define GCLK_SOURCE_OSCULP32K       4        // Ultra-low-power 32kHz Oscillator
+#define GCLK_SOURCE_XOSC32K         5        // 32kHz Crystal Oscillator
+#define GCLK_SOURCE_DFLL            6        // Digital FLL
+#define GCLK_SOURCE_DFLL48M         6        //   Alias to GCLK_SOURCE_DFLL
+#define GCLK_SOURCE_OSC16M          6        //   Alias to GCLK_SOURCE_DFLL
+#define GCLK_SOURCE_OSC48M          6        //   Alias to GCLK_SOURCE_DFLL
+#define GCLK_SOURCE_DPLL0           7        // Digital PLL 0
+#define GCLK_SOURCE_FDPLL           7        //   Alias to GCLK_SOURCE_DPLL0
+#define GCLK_SOURCE_FDPLL0          7        //   Alias to GCLK_SOURCE_DPLL0
+#define GCLK_SOURCE_DPLL1           8        // Digital PLL 1
+#define GCLK_SOURCE_FDPLL1          8        //   Alias to GCLK_SOURCE_DPLL1
+#define GCLK_GEN_DIV_BITS           { 8, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8 }
+
+#endif /* _SAME54_GCLK_INSTANCE_ */