watchdog: davinci: reuse driver for keystone arch

The keystone arch uses the same IP watchdog, so add "ti,keystone-wdt"
compatible and correct identity.

The Keystone arch is using clocks in DT and source clock for watchdog
has to be specified, so add this to binding.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

2 files changed, 3 insertions, 3 deletions

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index b69a0f763a6d..af8f7c75e03c 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -270,11 +270,11 @@ config IOP_WATCHDOG
 
 config DAVINCI_WATCHDOG
         tristate "DaVinci watchdog"
-        depends on ARCH_DAVINCI
+        depends on ARCH_DAVINCI || ARCH_KEYSTONE
         select WATCHDOG_CORE
         help
           Say Y here if to include support for the watchdog timer
-          in the DaVinci DM644x/DM646x processors.
+          in the DaVinci DM644x/DM646x or Keystone processors.
           To compile this driver as a module, choose M here: the
           module will be called davinci_wdt.
 
diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index dbe28343e749..b1bae03742a9 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -143,7 +143,7 @@ static unsigned int davinci_wdt_get_timeleft(struct watchdog_device *wdd)
 
 static const struct watchdog_info davinci_wdt_info = {
         .options = WDIOF_KEEPALIVEPING,
-        .identity = "DaVinci Watchdog",
+        .identity = "DaVinci/Keystone Watchdog",
 };
 
 static const struct watchdog_ops davinci_wdt_ops = {