On Mon, Dec 10, 2018 at 12:39:14PM +0000, Pawel Laszczak wrote:
> This patch aim at documenting USB related dt-bindings for the
> Cadence USBSS-DRD controller.
>
> Signed-off-by: Pawel Laszczak <pawell@xxxxxxxxxxx>
> ---
> .../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
cdns-usb3.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"
Only 1 version of the IP block?
> + - 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:
typo
> + - 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"
Don't need -names when there is only one.
> +
> +
> +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
>
