Watchdog: allow orion_wdt to be built for Dove

The watchdog infrastructure in Dove is no different from that in
Orion5x or Kirkwood, so let's enable it for Dove.  The only things
missing are a few register settings in Dove's bridge-regs.h.

Rather than duplicating the same register bit masks for the RSTOUTn_MASK
and BRIDGE_CAUSE registers, move the definitions into the watchdog
driver itself.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

2 files changed, 4 insertions, 1 deletions

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index f17ffdb75bb0..b69e4821d668 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -282,7 +282,7 @@ config DAVINCI_WATCHDOG
 
 config ORION_WATCHDOG
         tristate "Orion watchdog"
-        depends on ARCH_ORION5X || ARCH_KIRKWOOD
+        depends on ARCH_ORION5X || ARCH_KIRKWOOD || ARCH_DOVE
         select WATCHDOG_CORE
         help
           Say Y here if to include support for the watchdog timer
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c
index da577980d390..4074244c7183 100644
--- a/drivers/watchdog/orion_wdt.c
+++ b/drivers/watchdog/orion_wdt.c
@@ -38,6 +38,9 @@
 #define WDT_IN_USE              0
 #define WDT_OK_TO_CLOSE         1
 
+#define WDT_RESET_OUT_EN        BIT(1)
+#define WDT_INT_REQ             BIT(3)
+
 static bool nowayout = WATCHDOG_NOWAYOUT;
 static int heartbeat = -1;              /* module parameter (seconds) */
 static unsigned int wdt_max_duration;   /* (seconds) */