include/linux/platform_data/omap-wd-timer.h

   1 /*
   2  * OMAP2+ WDTIMER-specific function prototypes
   3  *
   4  * Copyright (C) 2012 Texas Instruments, Inc.
   5  * Paul Walmsley
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  */
  12
  13 #ifndef __LINUX_PLATFORM_DATA_OMAP_WD_TIMER_H
  14 #define __LINUX_PLATFORM_DATA_OMAP_WD_TIMER_H
  15
  16 #include <linux/types.h>
  17
  18 /*
  19  * Standardized OMAP reset source bits
  20  *
  21  * This is a subset of the ones listed in arch/arm/mach-omap2/prm.h
  22  * and are the only ones needed in the watchdog driver.
  23  */
  24 #define OMAP_MPU_WD_RST_SRC_ID_SHIFT                            3
  25
  26 /**
  27  * struct omap_wd_timer_platform_data - WDTIMER integration to the host SoC
  28  * @read_reset_sources - fn ptr for the SoC to indicate the last reset cause
  29  *
  30  * The function pointed to by @read_reset_sources must return its data
  31  * in a standard format - search for RST_SRC_ID_SHIFT in
  32  * arch/arm/mach-omap2
  33  */
  34 struct omap_wd_timer_platform_data {
  35         u32 (*read_reset_sources)(void);
  36 };
  37
  38 #endif