Paul Walmsley | 37c67d0 | 2012-10-29 20:49:44 -0600 | [diff] [blame] | 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 |