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 <[email protected]>
> ---
> 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
>
