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

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Message-ID: <5BF7DC12.4060600@ti.com>
Date:   Fri, 23 Nov 2018 12:53:06 +0200
From:   Roger Quadros <rogerq@...com>
To:     Pawel Laszczak <pawell@...ence.com>, <devicetree@...r.kernel.org>
CC:     <gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>,
        <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 18/11/18 12:08, Pawel Laszczak wrote:
> Thsi patch aim at documenting USB related dt-bindings for the

s/Thsi/This

> 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.
> +  - compatible: Should contain: "cdns,usb3"
> +  - interrupts: Interrupt specifier. Refer to interrupt bindings.

Do you also comply with USB generic bindings for dr_mode, speed, etc?
i.e. Documentation/devicetree/bindings/usb/generic.txt

If yes it must be mentioned in Optional properties:

> +
> +
> +Example:
> +	cdns3@...00000 {
> +		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
> +	};
> +
> 

cheers,
-roger
-- 
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