usb: usb251xb: Add US lanes inversion dts-bindings
Since a separate US ports lanes polarity inversion property is going to be available the bindings doc-file should be updated with information about swap-us-lanes bool property, which will be responsible for it. Signed-off-by: Serge Semin <fancer.lancer@gmail.com> Acked-by: Richard Leitner <richard.leitner@skidata.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -64,8 +64,10 @@ Optional properties :
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- power-on-time-ms : Specifies the time it takes from the time the host
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- power-on-time-ms : Specifies the time it takes from the time the host
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initiates the power-on sequence to a port until the port has adequate
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initiates the power-on sequence to a port until the port has adequate
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power. The value is given in ms in a 0 - 510 range (default is 100ms).
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power. The value is given in ms in a 0 - 510 range (default is 100ms).
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- swap-dx-lanes : Specifies the ports which will swap the differential-pair
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- swap-dx-lanes : Specifies the downstream ports which will swap the
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(D+/D-), default is not-swapped.
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differential-pair (D+/D-), default is not-swapped.
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- swap-us-lanes : Selects the upstream port differential-pair (D+/D-)
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swapping (boolean, default is not-swapped)
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Examples:
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Examples:
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usb2512b@2c {
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usb2512b@2c {
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