[PATCH v2 06/12] dt-bindings: PCI: aardvark: Describe the reset-gpios property

[Miquel Raynal]

A GPIO might be used to reset the PCI IP. Describe the property needed
in this case.

Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/pci/aardvark-pci.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/aardvark-pci.txt b/Documentation/devicetree/bindings/pci/aardvark-pci.txt
index 310ef7145c47..252934237138 100644
--- a/Documentation/devicetree/bindings/pci/aardvark-pci.txt
+++ b/Documentation/devicetree/bindings/pci/aardvark-pci.txt
@@ -20,6 +20,10 @@ contain the following properties:
    define the mapping of the PCIe interface to interrupt numbers.
  - bus-range: PCI bus numbers covered
 
+The following are optional properties:
+
+ - reset-gpios: GPIO to reset the device
+
 In addition, the Device Tree describing an Aardvark PCIe controller
 must include a sub-node that describes the legacy interrupt controller
 built into the PCIe controller. This sub-node must have the following
@@ -48,6 +52,7 @@ Example:
 				<0 0 0 2 &pcie_intc 1>,
 				<0 0 0 3 &pcie_intc 2>,
 				<0 0 0 4 &pcie_intc 3>;
+		reset-gpios = <&gpiosb 3 GPIO_ACTIVE_HIGH>;
 		pcie_intc: interrupt-controller {
 			interrupt-controller;
 			#interrupt-cells = <1>;
-- 
2.19.1