Since Davinci WDT has been switched to use WDT core, it became able
to support timeout-sec property, so add it to it's binding description.

Acked-by: Santosh Shilimkar <santosh.shilim...@ti.com>
Reviewed-by: Guenter Roeck <li...@roeck-us.net>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronz...@ti.com>
---
 .../devicetree/bindings/watchdog/davinci-wdt.txt   |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt 
b/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
index 75558cc..e450134 100644
--- a/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/davinci-wdt.txt
@@ -4,9 +4,13 @@ Required properties:
 - compatible : Should be "ti,davinci-wdt"
 - reg : Should contain WDT registers location and length
 
+Optional properties:
+- timeout-sec : Contains the watchdog timeout in seconds
+
 Examples:
 
 wdt: wdt@2320000 {
        compatible = "ti,davinci-wdt";
        reg = <0x02320000 0x80>;
+       timeout-sec = <30>;
 };
-- 
1.7.9.5

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