Initial commit of firmware

Libs/platform/service/device_init/inc/sl_device_init_dcdc.h

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+/***************************************************************************//**
+ * @file
+ * @brief Device initialization for DC/DC converter.
+ *******************************************************************************
+ * # License
+ * <b>Copyright 2019 Silicon Laboratories Inc. www.silabs.com</b>
+ *******************************************************************************
+ *
+ * SPDX-License-Identifier: Zlib
+ *
+ * The licensor of this software is Silicon Laboratories Inc.
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ ******************************************************************************/
+#ifndef SL_DEVICE_INIT_DCDC_H
+#define SL_DEVICE_INIT_DCDC_H
+
+#include "sl_status.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup device_init
+ * @{
+ * @addtogroup device_init_dcdc DCDC Initialization
+ * @brief Initialize the DC-DC converter.
+ * @details
+ * Configures the DC-DC converter. If the DC-DC converter is not to be
+ * used, the configuration option `SL_DEVICE_INIT_DCDC_ENABLE` can be disabled,
+ * and the converter will be powered off. On Series 1 devices, this option
+ * should only be used when DVDD is externally powered.
+ *
+ * To enable the bypass switch and short the DC-DC converter input to
+ * the DC-DC output, set the configuration option `SL_DEVICE_INIT_DCDC_BYPASS`.
+ *
+ * See **AN0948 Power Configurations and DC-DC** for further details about DC-DC
+ * converter configuration and operation.
+ *
+ *  - Series 1: [AN0948](https://www.silabs.com/documents/public/application-notes/an0948-power-configurations-and-dcdc.pdf)
+ *  - Series 2: [AN0948.2](https://www.silabs.com/documents/public/application-notes/an0948.2-efr32-series-2-power-configurations-and-dcdc.pdf)
+ * @{
+ */
+
+// -----------------------------------------------------------------------------
+// Defines
+
+/// @brief DC/DC Converter Type
+#define SL_DEVICE_INIT_DCDC_TYPE_BUCK  0  ///< Buck Type
+#define SL_DEVICE_INIT_DCDC_TYPE_BOOST 1  ///< Boost Type
+
+/**
+ * Initialize DCDC
+ *
+ * @details
+ * Configure and start the DCDC
+ *
+ * @return Status code
+ * @retval SL_STATUS_OK DC-DC converter initialized successfully
+ */
+sl_status_t sl_device_init_dcdc(void);
+
+/**
+ * @} device_init_dcdc
+ * @} device_init
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // SL_DEVICE_INIT_DCDC_H