linux-kernel - Re: [PATCH v1 1/2] dt-bindings: add binding for USBSS-DRD controller.

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Date:   Tue, 11 Dec 2018 12:16:27 +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>,
        <balbi@...nel.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: [PATCH v1 1/2] dt-bindings: add binding for USBSS-DRD controller.

Pawel,

On 10/12/18 14:39, Pawel Laszczak wrote:
> This patch aim at documenting USB related dt-bindings for the
> Cadence USBSS-DRD controller.
> 
> Signed-off-by: Pawel Laszczak <pawell@...ence.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:

s/propertiesi/properties

> + - 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@...00000 {
> +		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

Use "/* <comment> */" instead.

> +	};
> +
> 

cheers,
-roger
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