1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * OMAP2+ WDTIMER-specific function prototypes |
4 | * |
5 | * Copyright (C) 2012 Texas Instruments, Inc. |
6 | * Paul Walmsley |
7 | */ |
8 | |
9 | #ifndef __LINUX_PLATFORM_DATA_OMAP_WD_TIMER_H |
10 | #define __LINUX_PLATFORM_DATA_OMAP_WD_TIMER_H |
11 | |
12 | #include <linux/types.h> |
13 | |
14 | /* |
15 | * Standardized OMAP reset source bits |
16 | * |
17 | * This is a subset of the ones listed in arch/arm/mach-omap2/prm.h |
18 | * and are the only ones needed in the watchdog driver. |
19 | */ |
20 | #define OMAP_MPU_WD_RST_SRC_ID_SHIFT 3 |
21 | |
22 | /** |
23 | * struct omap_wd_timer_platform_data - WDTIMER integration to the host SoC |
24 | * @read_reset_sources - fn ptr for the SoC to indicate the last reset cause |
25 | * |
26 | * The function pointed to by @read_reset_sources must return its data |
27 | * in a standard format - search for RST_SRC_ID_SHIFT in |
28 | * arch/arm/mach-omap2 |
29 | */ |
30 | struct omap_wd_timer_platform_data { |
31 | u32 (*read_reset_sources)(void); |
32 | }; |
33 | |
34 | #endif |
35 | |