[PATCH] dt-bindings: rtc: zynqmp: Describe power-domains property

[Michal Simek <michal.simek@xxxxxxx>]

RTC has its own power domain on Xilinx Versal SOC that's why describe it as
optional property.

Signed-off-by: Michal Simek <michal.simek@xxxxxxx>
---

 Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
index d1f5eb996dba..838c3ce494de 100644
--- a/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/xlnx,zynqmp-rtc.yaml
@@ -48,6 +48,9 @@ properties:
     default: 0x198233
     deprecated: true
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
-- 
2.36.1