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

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Message-ID: <20181204224158.GA29726@bogus>
Date:   Tue, 4 Dec 2018 16:41:58 -0600
From:   Rob Herring <robh@...nel.org>
To:     Pawel Laszczak <pawell@...ence.com>
Cc:     devicetree@...r.kernel.org, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, rogerq@...com,
        linux-kernel@...r.kernel.org, adouglas@...ence.com,
        jbergsagel@...com, nsekhar@...com, nm@...com, sureshp@...ence.com,
        peter.chen@....com, pjez@...ence.com, kurahul@...ence.com
Subject: Re: [RFC PATCH v2 03/15] dt-bindings: add binding for USBSS-DRD
 controller.

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@...ence.com>
> ---
>  .../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@...00000 {

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
>