[PATCH] dt-bindings: gpio: zynq: Add power-domains

[Michal Simek]

Describe optional power-domain property to fix dts_check warnings.
The similar change was done by commit 8c0aa567146b ("dt-bindings: gpio:
fsl-imx-gpio: Add power-domains").

Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

 Documentation/devicetree/bindings/gpio/gpio-zynq.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
index 980f92ad9eba..da95b951c23e 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
+++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
@@ -36,6 +36,9 @@ properties:
   clocks:
     maxItems: 1
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
-- 
2.33.1