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    Subject[PATCH v1 1/2] dt-bindings: add binding for USBSS-DRD controller.
    Date
    This patch aim at documenting USB related dt-bindings for the
    Cadence USBSS-DRD controller.

    Signed-off-by: Pawel Laszczak <pawell@cadence.com>
    ---
    .../devicetree/bindings/usb/cdns3-usb.txt | 31 +++++++++++++++++++
    1 file changed, 31 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/usb/cdns3-usb.txt

    diff --git a/Documentation/devicetree/bindings/usb/cdns3-usb.txt b/Documentation/devicetree/bindings/usb/cdns3-usb.txt
    new file mode 100644
    index 000000000000..ae4a255f0b10
    --- /dev/null
    +++ b/Documentation/devicetree/bindings/usb/cdns3-usb.txt
    @@ -0,0 +1,31 @@
    +Binding for the Cadence USBSS-DRD controller
    +
    +Required properties:
    + - reg: Physical base address and size of the controller's register areas.
    + Controller has 3 different regions:
    + region 1 - HOST registers area
    + region 2 - DEVICE registers area
    + region 3 - OTG/DRD registers area
    + - compatible: Should contain: "cdns,usb3"
    + - interrupts: Interrupt specifier. Refer to interrupt bindings.
    + Driver supports only single interrupt line.
    + This single interrupt is shared between Device,
    + host and OTG/DRD part of driver.
    +
    +Optional propertiesi:
    + - maximum-speed : valid arguments are "super-speed", "high-speed" and
    + "full-speed"; refer to usb/generic.txt
    + - dr_mode: Should be one of "host", "peripheral" or "otg".
    + - phys: reference to the USB PHY
    + - phy-names: name of the USB PHY, should be "cdns3,usbphy"
    +
    +
    +Example:
    + usb@f3000000 {
    + compatible = "cdns,usb3";
    + interrupts = <USB_IRQ 7 IRQ_TYPE_LEVEL_HIGH>;
    + reg = <0xf3000000 0x10000 //memory area for HOST registers
    + 0xf3010000 0x10000 //memory area for DEVICE registers
    + 0xf3020000 0x10000>; //memory area for OTG/DRD registers
    + };
    +
    --
    2.17.1
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