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-rw-r--r--include/linux/platform_data/omap-wd-timer.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/platform_data/omap-wd-timer.h b/include/linux/platform_data/omap-wd-timer.h
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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 */
34struct omap_wd_timer_platform_data {
35 u32 (*read_reset_sources)(void);
36};
37
38#endif