From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 28 Dec 2018 17:45:25 -0600 From: Rob Herring Subject: Re: [PATCH 1/2] dt-bindings: usb: usb251xb: add documentation for data lane swapping Message-ID: <20181228234525.GA30428@bogus> References: <20181219145941.5173-1-m.felsch@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181219145941.5173-1-m.felsch@pengutronix.de> To: Marco Felsch Cc: richard.leitner@skidata.com, fancer.lancer@gmail.com, kernel@pengutronix.de, linux-usb@vger.kernel.org, devicetree@vger.kernel.org List-ID: On Wed, Dec 19, 2018 at 03:59:40PM +0100, Marco Felsch wrote: > Add optional binding to allow USB differential-pair (D+/D-) data lane > swapping. The swapping can be specified for each port separately, > default is no swapping. > > Signed-off-by: Marco Felsch > --- > Documentation/devicetree/bindings/usb/usb251xb.txt | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/usb251xb.txt b/Documentation/devicetree/bindings/usb/usb251xb.txt > index 168ff819e827..aec93a92870d 100644 > --- a/Documentation/devicetree/bindings/usb/usb251xb.txt > +++ b/Documentation/devicetree/bindings/usb/usb251xb.txt > @@ -64,6 +64,8 @@ Optional properties : > - power-on-time-ms : Specifies the time it takes from the time the host > initiates the power-on sequence to a port until the port has adequate > power. The value is given in ms in a 0 - 510 range (default is 100ms). > + - sw-dx-lanes-ports : Specifies the ports which will swap the differential-pair > + (D+/D-), default is not-swapped. Perhaps 'swap-dx-ports' would be a more obvious name. > > Examples: > usb2512b@2c { > @@ -81,4 +83,6 @@ Examples: > manufacturer = "Foo"; > product = "Foo-Bar"; > serial = "1234567890A"; > + /* correct misplaced usb connectors on port 1,2 */ > + sw-dx-lanes-ports = <1 2>; > }; > -- > 2.19.1 >