[PATCH 2/3 v3] watchdog: add DT bindings for Cortina Gemini

This adds DT bindings for the Cortina systems Gemini SoC
watchdog timer.

Cc: devicetree at vger.kernel.org
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <redacted>
---
ChangeLog v2->v3:
- Fixed spelling error in filename "gemin" to "gemini"
- Collected ACKs
ChangeLog v1->v2:
- Make the timeout an optional property
- Do not mention any Linux defaults if the property is not there
---
 .../bindings/watchdog/cortina,gemini-watchdog.txt       | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/cortina,gemini-watchdog.txt

diff --git a/Documentation/devicetree/bindings/watchdog/cortina,gemini-watchdog.txt b/Documentation/devicetree/bindings/watchdog/cortina,gemini-watchdog.txt
new file mode 100644
index 000000000000..bc4b865d178b
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/cortina,gemini-watchdog.txt

@@ -0,0 +1,17 @@
+Cortina Systems Gemini SoC Watchdog
+
+Required properties:
+- compatible : must be "cortina,gemini-watchdog"
+- reg : shall contain base register location and length
+- interrupts : shall contain the interrupt for the watchdog
+
+Optional properties:
+- timeout-sec : the default watchdog timeout in seconds.
+
+Example:
+
+watchdog at 41000000 {
+	compatible = "cortina,gemini-watchdog";
+	reg = <0x41000000 0x1000>;
+	interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
+};

-- 
2.9.3