[PATCH 2/2] dt-binding: watchdog: arm,sp805: document the reset signal

[Yang Xiwen via B4 Relay <devnull+forbidden405.outlook.com@xxxxxxxxxx>]

From: Yang Xiwen <forbidden405@xxxxxxxxxxx>

The reset signal needs to be deasserted before operation of sp805
module. Document in the binding.

Signed-off-by: Yang Xiwen <forbidden405@xxxxxxxxxxx>
---
 Documentation/devicetree/bindings/watchdog/arm,sp805.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
index 7aea255b301b..6d4f63f23f1a 100644
--- a/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
+++ b/Documentation/devicetree/bindings/watchdog/arm,sp805.yaml
@@ -50,6 +50,11 @@ properties:
       - const: wdog_clk
       - const: apb_pclk
 
+  resets:
+    maxItems: 1
+    description: |
+      WDOGRESn input reset signal for sp805 module.
+
 required:
   - compatible
   - reg
@@ -67,4 +72,5 @@ examples:
         interrupts = <GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>;
         clocks = <&wdt_clk>, <&apb_pclk>;
         clock-names = "wdog_clk", "apb_pclk";
+        resets = <&wdt_rst>;
     };

-- 
2.43.0