From: Rob Herring <robh@kernel.org>
To: Tommaso Merciai <tomm.merciai@gmail.com>
Cc: linuxfancy@googlegroups.com,
Richard Leitner <richard.leitner@skidata.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: usb: usb251xb: add documentation for boost-up property
Date: Thu, 10 Mar 2022 14:09:04 -0600 [thread overview]
Message-ID: <Yipa4OLQR0kUctK/@robh.at.kernel.org> (raw)
In-Reply-To: <20220306184720.5350-1-tomm.merciai@gmail.com>
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@gmail.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
>
>
prev parent reply other threads:[~2022-03-10 20:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-06 18:47 [PATCH] dt-bindings: usb: usb251xb: add documentation for boost-up property Tommaso Merciai
2022-03-10 20:09 ` Rob Herring [this message]
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