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authorOlof Johansson <olof@lixom.net>2012-12-12 16:09:22 -0800
committerOlof Johansson <olof@lixom.net>2012-12-12 16:10:00 -0800
commit4a76411ea3f1da9032e031f8fff8894b97d141b2 (patch)
tree59976175d70b6e08aacd4abf7090919d3b78fc29 /include/linux/platform_data/omap-wd-timer.h
parent5c1af2a7011bf719807de360cb64c2f610269a38 (diff)
parentfb6842a7bc44bf719bfe85d5819a153d7c215510 (diff)
ARM: arm-soc: Merge branch 'next/clk' into next/pm
Merge together a couple of the smaller pm/clock branches into one. Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'include/linux/platform_data/omap-wd-timer.h')
-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
new file mode 100644
index 000000000000..d75f5f802d98
--- /dev/null
+++ b/include/linux/platform_data/omap-wd-timer.h
@@ -0,0 +1,38 @@
+/*
+ * OMAP2+ WDTIMER-specific function prototypes
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ * Paul Walmsley
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_PLATFORM_DATA_OMAP_WD_TIMER_H
+#define __LINUX_PLATFORM_DATA_OMAP_WD_TIMER_H
+
+#include <linux/types.h>
+
+/*
+ * Standardized OMAP reset source bits
+ *
+ * This is a subset of the ones listed in arch/arm/mach-omap2/prm.h
+ * and are the only ones needed in the watchdog driver.
+ */
+#define OMAP_MPU_WD_RST_SRC_ID_SHIFT 3
+
+/**
+ * struct omap_wd_timer_platform_data - WDTIMER integration to the host SoC
+ * @read_reset_sources - fn ptr for the SoC to indicate the last reset cause
+ *
+ * The function pointed to by @read_reset_sources must return its data
+ * in a standard format - search for RST_SRC_ID_SHIFT in
+ * arch/arm/mach-omap2
+ */
+struct omap_wd_timer_platform_data {
+ u32 (*read_reset_sources)(void);
+};
+
+#endif