Re: [RFC PATCH v2 03/15] dt-bindings: add binding for USBSS-DRD controller.

From: Rob Herring
Date: Tue Dec 04 2018 - 17:42:04 EST


On Sun, Nov 18, 2018 at 10:08:59AM +0000, Pawel Laszczak wrote:
> Thsi patch aim at documenting USB related dt-bindings for the

typo

> Cadence USBSS-DRD controller.
>
> Signed-off-by: Pawel Laszczak <pawell@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/usb/cdns3-usb.txt | 17 +++++++++++++++++
> 1 file changed, 17 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..f9e953f32d47
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/cdns3-usb.txt
> @@ -0,0 +1,17 @@
> +Binding for the Cadence USBSS-DRD controller
> +
> +Required properties:
> + - reg: Physical base address and size of the controller's register area.

1 or 3 regions? If 3, what is each one and the order?

> + - compatible: Should contain: "cdns,usb3"

Only one version and one set of bugs?

> + - interrupts: Interrupt specifier. Refer to interrupt bindings.

How many interrupts?

> +
> +
> +Example:
> + cdns3@f3000000 {

usb@...

> + compatible = "cdns,usb3";
> + interrupts = <USB_IRQ 7 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0xf3000000 0x10000 //memory area for OTG/DRD registers
> + 0xf3010000 0x10000 //memory area for HOST registers
> + 0xf3020000 0x10000>; //memory area for Device registers
> + };
> +
> --
> 2.17.1
>