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 39