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/********************************************************************************************
* arch/arm/src/kinetis/kinetis_osc.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX 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 OWNER 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 __ARCH_ARM_SRC_KINETIS_KINETIS_OSC_H
#define __ARCH_ARM_SRC_KINETIS_KINETIS_OSC_H
/********************************************************************************************
* Included Files
********************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
/********************************************************************************************
* Pre-processor Definitions
********************************************************************************************/
/* Register Offsets *************************************************************************/
#define KINETIS_OSC_CR_OFFSET 0x0000 /* OSC Control Register */
/* Register Addresses ***********************************************************************/
#define KINETIS_OSC_CR (KINETIS_OSC_BASE+KINETIS_OSC_CR_OFFSET)
/* Register Bit Definitions *****************************************************************/
/* OSC Control Register (8-bit) */
#define OSC_CR_ERCLKEN (1 << 7) /* Bit 7: External Reference Enable */
/* Bit 6: Reserved */
#define OSC_CR_EREFSTEN (1 << 5) /* Bit 5: External Reference Stop Enable */
/* Bit 4: Reserved */
#define OSC_CR_SC2P (1 << 3) /* Bit 3: Oscillator 2 pF Capacitor Load Configure */
#define OSC_CR_SC4P (1 << 2) /* Bit 2: Oscillator 4 pF Capacitor Load Configure */
#define OSC_CR_SC8P (1 << 1) /* Bit 1: Oscillator 8 pF Capacitor Load Configure */
#define OSC_CR_SC16P (1 << 0) /* Bit 0: Oscillator 16 pF Capacitor Load Configure */
/********************************************************************************************
* Public Types
********************************************************************************************/
/********************************************************************************************
* Public Data
********************************************************************************************/
/********************************************************************************************
* Public Functions
********************************************************************************************/
#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_OSC_H */
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