[PATCH V2 2/4] dt-bindings: imx6q-pcie: Add wake-gpios property

[Sherry Sun]

Add wake-gpios property that can be used to wakeup the host
processor.

Signed-off-by: Sherry Sun <sherry.sun@xxxxxxx>
Reviewed-by: Richard Zhu <hongxing.zhu@xxxxxxx>
---
 Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
index 81bbb8728f0f..fba757d937e1 100644
--- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.yaml
@@ -72,6 +72,12 @@ properties:
       L=operation state) (optional required).
     type: boolean
 
+  wake-gpios:
+    description: If present this property specifies WAKE# sideband signaling
+      to implement wakeup functionality. This is an input GPIO pin for the Root
+      Port mode here. Host drivers will wakeup the host using the IRQ
+      corresponding to the passed GPIO.
+
 required:
   - compatible
   - reg
-- 
2.34.1