[PATCH v3 04/19] dt-bindings: gpio: fsl-imx-gpio: Add power-domains

[Krzysztof Kozlowski]

Parse also optional power-domains property to fix dtbs_check warnings
like:

  arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dt.yaml: gpio@5d080000: 
'power-domains' does not match any of the regexes: 'pinctrl-[0-9]+'
    From schema: Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml

Signed-off-by: Krzysztof Kozlowski <k...@kernel.org>
Reviewed-by: Rob Herring <r...@kernel.org>
---
 Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml 
b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
index 620a52f944e8..de0b9b5f6a70 100644
--- a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
@@ -53,6 +53,9 @@ properties:
 
   gpio-ranges: true
 
+  power-domains:
+    maxItems: 1
+
 patternProperties:
   "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
     type: object
-- 
2.17.1