[PATCH v4 2/3] dt-bindings: firmware: imx: Add imx-scu gpio node

[Shenwei Wang]

Add the description for imx-scu gpio subnode.

Signed-off-by: Shenwei Wang <shenwei.wang at nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---
 Documentation/devicetree/bindings/firmware/fsl,scu.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/firmware/fsl,scu.yaml b/Documentation/devicetree/bindings/firmware/fsl,scu.yaml
index b40b0ef56978..1fe61c2599e4 100644
--- a/Documentation/devicetree/bindings/firmware/fsl,scu.yaml
+++ b/Documentation/devicetree/bindings/firmware/fsl,scu.yaml
@@ -30,6 +30,11 @@ properties:
       Clock controller node that provides the clocks controlled by the SCU
     $ref: /schemas/clock/fsl,scu-clk.yaml
 
+  gpio:
+    description:
+      Control the GPIO PINs on SCU domain over the firmware APIs
+    $ref: /schemas/gpio/fsl,imx-sc-gpio.yaml
+
   ocotp:
     description:
       OCOTP controller node provided by the SCU
-- 
2.25.1