dt-bindings: gpio: zynq: Add power-domains

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@xilinx.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/655523d7bf9658eb0b8e49a06c8b79a04052e5d5.1634286595.git.michal.simek@xilinx.com
Signed-off-by: Michal Simek <michal.simek@amd.com>

diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml b/Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
index 980f92a..da95b95 100644 (file)
--- 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