diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-07-27 09:46:12 -0400 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2009-09-18 04:35:49 -0400 |
| commit | 502a0106b2cc31940f690dc6693fddfd3b97cab5 (patch) | |
| tree | fc6e7c4aa8a8df5b5a72566a9a3cda9153e7802d /include | |
| parent | 0400e3134b03336617138f9ebf2cd0f117ceef20 (diff) | |
[WATCHDOG] Add support for WM831x watchdog
The WM831x series of devices provide a watchdog with configurable
behaviour on timer expiry.
Currently this driver support refreshes via a register or GPIO line and
autonomous refreshes from a hardware source (eg, a clock).
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mfd/wm831x/watchdog.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/linux/mfd/wm831x/watchdog.h b/include/linux/mfd/wm831x/watchdog.h new file mode 100644 index 000000000000..97a99b52956f --- /dev/null +++ b/include/linux/mfd/wm831x/watchdog.h | |||
| @@ -0,0 +1,52 @@ | |||
| 1 | /* | ||
| 2 | * include/linux/mfd/wm831x/watchdog.h -- Watchdog for WM831x | ||
| 3 | * | ||
| 4 | * Copyright 2009 Wolfson Microelectronics PLC. | ||
| 5 | * | ||
| 6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify it | ||
| 9 | * under the terms of the GNU General Public License as published by the | ||
| 10 | * Free Software Foundation; either version 2 of the License, or (at your | ||
| 11 | * option) any later version. | ||
| 12 | * | ||
| 13 | */ | ||
| 14 | |||
| 15 | #ifndef __MFD_WM831X_WATCHDOG_H__ | ||
| 16 | #define __MFD_WM831X_WATCHDOG_H__ | ||
| 17 | |||
| 18 | |||
| 19 | /* | ||
| 20 | * R16388 (0x4004) - Watchdog | ||
| 21 | */ | ||
| 22 | #define WM831X_WDOG_ENA 0x8000 /* WDOG_ENA */ | ||
| 23 | #define WM831X_WDOG_ENA_MASK 0x8000 /* WDOG_ENA */ | ||
| 24 | #define WM831X_WDOG_ENA_SHIFT 15 /* WDOG_ENA */ | ||
| 25 | #define WM831X_WDOG_ENA_WIDTH 1 /* WDOG_ENA */ | ||
| 26 | #define WM831X_WDOG_DEBUG 0x4000 /* WDOG_DEBUG */ | ||
| 27 | #define WM831X_WDOG_DEBUG_MASK 0x4000 /* WDOG_DEBUG */ | ||
| 28 | #define WM831X_WDOG_DEBUG_SHIFT 14 /* WDOG_DEBUG */ | ||
| 29 | #define WM831X_WDOG_DEBUG_WIDTH 1 /* WDOG_DEBUG */ | ||
| 30 | #define WM831X_WDOG_RST_SRC 0x2000 /* WDOG_RST_SRC */ | ||
| 31 | #define WM831X_WDOG_RST_SRC_MASK 0x2000 /* WDOG_RST_SRC */ | ||
| 32 | #define WM831X_WDOG_RST_SRC_SHIFT 13 /* WDOG_RST_SRC */ | ||
| 33 | #define WM831X_WDOG_RST_SRC_WIDTH 1 /* WDOG_RST_SRC */ | ||
| 34 | #define WM831X_WDOG_SLPENA 0x1000 /* WDOG_SLPENA */ | ||
| 35 | #define WM831X_WDOG_SLPENA_MASK 0x1000 /* WDOG_SLPENA */ | ||
| 36 | #define WM831X_WDOG_SLPENA_SHIFT 12 /* WDOG_SLPENA */ | ||
| 37 | #define WM831X_WDOG_SLPENA_WIDTH 1 /* WDOG_SLPENA */ | ||
| 38 | #define WM831X_WDOG_RESET 0x0800 /* WDOG_RESET */ | ||
| 39 | #define WM831X_WDOG_RESET_MASK 0x0800 /* WDOG_RESET */ | ||
| 40 | #define WM831X_WDOG_RESET_SHIFT 11 /* WDOG_RESET */ | ||
| 41 | #define WM831X_WDOG_RESET_WIDTH 1 /* WDOG_RESET */ | ||
| 42 | #define WM831X_WDOG_SECACT_MASK 0x0300 /* WDOG_SECACT - [9:8] */ | ||
| 43 | #define WM831X_WDOG_SECACT_SHIFT 8 /* WDOG_SECACT - [9:8] */ | ||
| 44 | #define WM831X_WDOG_SECACT_WIDTH 2 /* WDOG_SECACT - [9:8] */ | ||
| 45 | #define WM831X_WDOG_PRIMACT_MASK 0x0030 /* WDOG_PRIMACT - [5:4] */ | ||
| 46 | #define WM831X_WDOG_PRIMACT_SHIFT 4 /* WDOG_PRIMACT - [5:4] */ | ||
| 47 | #define WM831X_WDOG_PRIMACT_WIDTH 2 /* WDOG_PRIMACT - [5:4] */ | ||
| 48 | #define WM831X_WDOG_TO_MASK 0x0007 /* WDOG_TO - [2:0] */ | ||
| 49 | #define WM831X_WDOG_TO_SHIFT 0 /* WDOG_TO - [2:0] */ | ||
| 50 | #define WM831X_WDOG_TO_WIDTH 3 /* WDOG_TO - [2:0] */ | ||
| 51 | |||
| 52 | #endif | ||