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authorPrasanthi Chellakumar <Prasanthi.Chellakumar@microchip.com>2018-10-09 11:46:40 -0700
committerTom Rini <trini@konsulko.com>2018-11-16 13:34:34 -0500
commit1473f6ac882fde8078826ca828aa3494ff98bf08 (patch)
tree4eb5772d7cdf5113ba64e6c25a20594d6c1bc366 /arch/arm/mach-at91/include
parenteb13dddd2c0cf7e02f3cc52f783af332a64a63d2 (diff)
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arm: at91: wdt: Convert watchdog driver to dm/dt
Convert the Watchdog driver for AT91SAM9x processors to support the driver model and device tree. Changes "CONFIG_AT91SAM9_WATCHDOG" to new "CONFIG_WDT_AT91" Kconfig option. Signed-off-by: Prasanthi Chellakumar <prasanthi.chellakumar@microchip.com>
Diffstat (limited to 'arch/arm/mach-at91/include')
-rw-r--r--arch/arm/mach-at91/include/mach/at91_wdt.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/include/mach/at91_wdt.h b/arch/arm/mach-at91/include/mach/at91_wdt.h
index 99b0cc812d..cd2272367b 100644
--- a/arch/arm/mach-at91/include/mach/at91_wdt.h
+++ b/arch/arm/mach-at91/include/mach/at91_wdt.h
@@ -4,7 +4,7 @@
*
* Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
* Copyright (C) 2007 Andrew Victor
- * Copyright (C) 2007 Atmel Corporation.
+ * Copyright (C) 2018 Microchip Technology Inc.
*
* Watchdog Timer (WDT) - System peripherals regsters.
* Based on AT91SAM9261 datasheet revision D.
@@ -27,9 +27,13 @@ typedef struct at91_wdt {
#endif
+/* Watchdog Control Register */
+#define AT91_WDT_CR 0x00
#define AT91_WDT_CR_WDRSTT 1
#define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */
+/* Watchdog Mode Register*/
+#define AT91_WDT_MR 0X04
#define AT91_WDT_MR_WDV(x) (x & 0xfff)
#define AT91_WDT_MR_WDFIEN 0x00001000
#define AT91_WDT_MR_WDRSTEN 0x00002000