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    Subject[PATCH v2 06/12] dt-bindings: PCI: aardvark: Describe the reset-gpios property
    Date
    A GPIO might be used to reset the PCI IP. Describe the property needed
    in this case.

    Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
    Reviewed-by: Rob Herring <robh@kernel.org>
    ---
    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
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