Commit 5d6353fe authored by Marco Felsch's avatar Marco Felsch Committed by Greg Kroah-Hartman
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dt-bindings: usb: usb251xb: add documentation for data lane swapping 



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: default avatarMarco Felsch <m.felsch@pengutronix.de>
Reviewed-by: default avatarRichard Leitner <richard.leitner@skidata.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bb09779f

Documentation/devicetree/bindings/usb/usb251xb.txt

+4 −0
Original line number Diff line number Diff line
@@ -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).

 - swap-dx-lanes : Specifies the ports which will swap the differential-pair

	(D+/D-), default is not-swapped.



Examples:

	usb2512b@2c {
@@ -81,4 +83,6 @@ Examples: 
		manufacturer = "Foo";

		product = "Foo-Bar";

		serial = "1234567890A";

		/* correct misplaced usb connectors on port 1,2 */

		swap-dx-lanes = <1 2>;

	};

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