linux-kernel - Re: [PATCH] dt-bindings: usb: usb251xb: add documentation for boost-up property

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Date:   Thu, 10 Mar 2022 14:09:04 -0600
From:   Rob Herring <robh@...nel.org>
To:     Tommaso Merciai <tomm.merciai@...il.com>
Cc:     linuxfancy@...glegroups.com,
        Richard Leitner <richard.leitner@...data.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: usb: usb251xb: add documentation for
 boost-up property

On Sun, Mar 06, 2022 at 07:47:20PM +0100, Tommaso Merciai wrote:
> Add documentation for the optional property boost-up.
> 
> Signed-off-by: Tommaso Merciai <tomm.merciai@...il.com>
> ---
>  Documentation/devicetree/bindings/usb/usb251xb.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/usb251xb.txt b/Documentation/devicetree/bindings/usb/usb251xb.txt
> index 1a934eab175e..29b5d6521f3c 100644
> --- a/Documentation/devicetree/bindings/usb/usb251xb.txt
> +++ b/Documentation/devicetree/bindings/usb/usb251xb.txt
> @@ -67,6 +67,8 @@ Optional properties :
>  	power. The value is given in ms in a 0 - 510 range (default is 100ms).
>   - swap-dx-lanes : Specifies the ports which will swap the differential-pair
>  	(D+/D-), default is not-swapped.
> + - boost-up: Property control USB electrical drive strength. There are 4 possible
> +	modes: normal (0x00), low (0x01), medium (0x10), high (0x11). Normal default.

Needs a vendor prefix on the property name.

Rob

>  
>  Examples:
>  	usb2512b@2c {
> -- 
> 2.25.1
> 
>