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Kinetis:Add OSC_DIV to the kinetis_osc header

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David Sidrane 2017-05-05 07:16:11 -06:00 committed by Gregory Nutt
parent f73e2aab8d
commit 29ef635e89
1 changed files with 12 additions and 1 deletions
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13
arch/arm/src/kinetis/chip/kinetis_osc.h
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@ -1,7 +1,7 @@
/********************************************************************************************
* arch/arm/src/kinetis/chip/kinetis_osc.h
*
* Copyright (C) 2011, 2016 Gregory Nutt. All rights reserved.
* Copyright (C) 2011, 2016-2017 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -51,10 +51,12 @@
/* Register Offsets *************************************************************************/
#define KINETIS_OSC_CR_OFFSET 0x0000 /* OSC Control Register */
#define KINETIS_OSC_DIV_OFFSET 0x0002 /* OSC CLock divider register */
/* Register Addresses ***********************************************************************/
#define KINETIS_OSC_CR (KINETIS_OSC_BASE+KINETIS_OSC_CR_OFFSET)
#define KINETIS_OSC_DIV (KINETIS_OSC_BASE+KINETIS_OSC_DIV_OFFSET)
/* Register Bit Definitions *****************************************************************/
@ -69,6 +71,15 @@
#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 */
/* OSC Control Register (8-bit) */
/* Bits 0-5: Reserved */
#define OSC_DIV_ERPS_SHIFT 6 /* Bits 6-7: ERCLK prescaler */
#define OSC_DIV_ERPS_MASK (3 << OSC_DIV_ERPS_SHIFT)
# define OSC_DIV_ERPS_DIV1 (0 << OSC_DIV_ERPS_SHIFT) /* The divisor ratio is 1 */
# define OSC_DIV_ERPS_DIV2 (1 << OSC_DIV_ERPS_SHIFT) /* The divisor ratio is 2 */
# define OSC_DIV_ERPS_DIV3 (2 << OSC_DIV_ERPS_SHIFT) /* The divisor ratio is 4 */
# define OSC_DIV_ERPS_DIV8 (3 << OSC_DIV_ERPS_SHIFT) /* The divisor ratio is 8 */
/********************************************************************************************
* Public Types
********************************************************************************************/