watchdog: bindings: dw_wdt: add reset lines

Document the reset lines holding the watchdog core in reset.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-watchdog@vger.kernel.org
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/Documentation/devicetree/bindings/watchdog/dw_wdt.txt b/Documentation/devicetree/bindings/watchdog/dw_wdt.txt
index 08e16f684f2d7022ee28112f335a7210ab3db865..eb0914420c7cac06c6afcf2d072390c9a1301729 100644 (file)
--- a/Documentation/devicetree/bindings/watchdog/dw_wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/dw_wdt.txt
@@ -10,6 +10,8 @@ Required Properties:
 Optional Properties:
 
 - interrupts   : The interrupt used for the watchdog timeout warning.
+- resets       : phandle pointing to the system reset controller with
+               line index for the watchdog.
 
 Example:
 
@@ -18,4 +20,5 @@ Example:
                reg = <0xffd02000 0x1000>;
                interrupts = <0 171 4>;
                clocks = <&per_base_clk>;
+               resets = <&rst WDT0_RESET>;
        };