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/*
* Copyright (C) 2005-2014 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#ifndef __PLAT_MXC_EPIT_H
#define __PLAT_MXC_EPIT_H
#define EPITCR 0x00
#define EPITSR 0x04
#define EPITLR 0x08
#define EPITCMPR 0x0c
#define EPITCNR 0x10
#define EPITCR_EN (1 << 0)
#define EPITCR_ENMOD (1 << 1)
#define EPITCR_OCIEN (1 << 2)
#define EPITCR_RLD (1 << 3)
#define EPITCR_PRESC(x) (((x) & 0xfff) << 4)
#define EPITCR_SWR (1 << 16)
#define EPITCR_IOVW (1 << 17)
#define EPITCR_DBGEN (1 << 18)
#define EPITCR_WAITEN (1 << 19)
#define EPITCR_RES (1 << 20)
#define EPITCR_STOPEN (1 << 21)
#define EPITCR_OM_DISCON (0 << 22)
#define EPITCR_OM_TOGGLE (1 << 22)
#define EPITCR_OM_CLEAR (2 << 22)
#define EPITCR_OM_SET (3 << 22)
#define EPITCR_CLKSRC_OFF (0 << 24)
#define EPITCR_CLKSRC_PERIPHERAL (1 << 24)
#define EPITCR_CLKSRC_REF_HIGH (2 << 24)
#define EPITCR_CLKSRC_REF_LOW (3 << 24)
#define EPIT_FREE_RUN_MODE (0)
#define EPIT_SET_FORGET_MODE (1)
#define EPITSR_OCIF (1 << 0)
struct epit_device;
/*
* epit_request - request a epit device
*/
struct epit_device *epit_request(int epit_id, const char *label);
/*
* epit_free - free a epit device
*/
void epit_free(struct epit_device *epit);
/*
* epit_config - change a epit device configuration
*/
int epit_config(struct epit_device *epit, int mode, void *cb, void *para);
/*
* epit_start - start a epit output toggling
*/
void epit_start(struct epit_device *epit, int time_ns);
/*
* epit_stop - stop a epit output toggling
*/
void epit_stop(struct epit_device *epit);
#endif /* __LINUX_epit_H */
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