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diff --git a/drivers/include/fsl_sim.h b/drivers/include/fsl_sim.h
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+++ b/drivers/include/fsl_sim.h
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+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o Redistributions in binary form must reproduce the above copyright notice, this
+ *   list of conditions and the following disclaimer in the documentation and/or
+ *   other materials provided with the distribution.
+ *
+ * o Neither the name of the copyright holder nor the names of its
+ *   contributors may be used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _FSL_SIM_H_
+#define _FSL_SIM_H_
+
+#include "fsl_common.h"
+
+/*! @addtogroup sim */
+/*! @{*/
+
+
+/*******************************************************************************
+ * Definitions
+ *******************************************************************************/
+
+/*! @name Driver version */
+/*@{*/
+#define FSL_SIM_DRIVER_VERSION (MAKE_VERSION(2, 0, 0)) /*!< Driver version 2.0.0 */
+/*@}*/
+
+#if (defined(FSL_FEATURE_SIM_OPT_HAS_USB_VOLTAGE_REGULATOR) && FSL_FEATURE_SIM_OPT_HAS_USB_VOLTAGE_REGULATOR)
+/*!@brief USB voltage regulator enable setting. */
+enum _sim_usb_volt_reg_enable_mode
+{
+    kSIM_UsbVoltRegEnable = SIM_SOPT1_USBREGEN_MASK,           /*!< Enable voltage regulator. */
+    kSIM_UsbVoltRegEnableInLowPower = SIM_SOPT1_USBVSTBY_MASK, /*!< Enable voltage regulator in VLPR/VLPW modes. */
+    kSIM_UsbVoltRegEnableInStop = SIM_SOPT1_USBSSTBY_MASK, /*!< Enable voltage regulator in STOP/VLPS/LLS/VLLS modes. */
+    kSIM_UsbVoltRegEnableInAllModes = SIM_SOPT1_USBREGEN_MASK | SIM_SOPT1_USBSSTBY_MASK |
+                                      SIM_SOPT1_USBVSTBY_MASK /*!< Enable voltage regulator in all power modes. */
+};
+#endif /* (defined(FSL_FEATURE_SIM_OPT_HAS_USB_VOLTAGE_REGULATOR) && FSL_FEATURE_SIM_OPT_HAS_USB_VOLTAGE_REGULATOR) */
+
+/*!@brief Unique ID. */
+typedef struct _sim_uid
+{
+#if defined(SIM_UIDH)
+    uint32_t H; /*!< UIDH.  */
+#endif
+    uint32_t MH; /*!< UIDMH. */
+    uint32_t ML; /*!< UIDML. */
+    uint32_t L;  /*!< UIDL.  */
+} sim_uid_t;
+
+/*!@brief Flash enable mode. */
+enum _sim_flash_mode
+{
+    kSIM_FlashDisableInWait = SIM_FCFG1_FLASHDOZE_MASK, /*!< Disable flash in wait mode.   */
+    kSIM_FlashDisable = SIM_FCFG1_FLASHDIS_MASK         /*!< Disable flash in normal mode. */
+};
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif /* __cplusplus*/
+
+#if (defined(FSL_FEATURE_SIM_OPT_HAS_USB_VOLTAGE_REGULATOR) && FSL_FEATURE_SIM_OPT_HAS_USB_VOLTAGE_REGULATOR)
+/*!
+ * @brief Sets the USB voltage regulator setting.
+ *
+ * This function configures whether the USB voltage regulator is enabled in
+ * normal RUN mode, STOP/VLPS/LLS/VLLS modes, and VLPR/VLPW modes. The configurations
+ * are passed in as mask value of \ref _sim_usb_volt_reg_enable_mode. For example, to enable
+ * USB voltage regulator in RUN/VLPR/VLPW modes and disable in STOP/VLPS/LLS/VLLS mode,
+ * use:
+ *
+ * SIM_SetUsbVoltRegulatorEnableMode(kSIM_UsbVoltRegEnable | kSIM_UsbVoltRegEnableInLowPower);
+ *
+ * @param mask  USB voltage regulator enable setting.
+ */
+void SIM_SetUsbVoltRegulatorEnableMode(uint32_t mask);
+#endif /* FSL_FEATURE_SIM_OPT_HAS_USB_VOLTAGE_REGULATOR */
+
+/*!
+ * @brief Gets the unique identification register value.
+ *
+ * @param uid Pointer to the structure to save the UID value.
+ */
+void SIM_GetUniqueId(sim_uid_t *uid);
+
+/*!
+ * @brief Sets the flash enable mode.
+ *
+ * @param mode The mode to set; see \ref _sim_flash_mode for mode details.
+ */
+static inline void SIM_SetFlashMode(uint8_t mode)
+{
+    SIM->FCFG1 = mode;
+}
+
+#if defined(__cplusplus)
+}
+#endif /* __cplusplus*/
+
+/*! @}*/
+
+#endif /* _FSL_SIM_H_ */