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