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authorSerge Semin <fancer.lancer@gmail.com>2019-04-25 00:12:05 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-05-02 19:28:56 +0200
commit3342ce35a183fc6c1c8625d702ecf43915bc41ce (patch)
tree1f011886605181aec2c72e5c7a6d06e1a2c636d8 /Documentation/devicetree/bindings/usb/usb251xb.txt
parentce64cea47cc4a16a8e55150a255254c0402ba3f5 (diff)
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>
Diffstat (limited to 'Documentation/devicetree/bindings/usb/usb251xb.txt')
-rw-r--r--Documentation/devicetree/bindings/usb/usb251xb.txt6
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/usb/usb251xb.txt b/Documentation/devicetree/bindings/usb/usb251xb.txt
index 17915f64b8ee..bc7945e9dbfe 100644
--- a/Documentation/devicetree/bindings/usb/usb251xb.txt
+++ b/Documentation/devicetree/bindings/usb/usb251xb.txt
@@ -64,8 +64,10 @@ 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.
+ - swap-dx-lanes : Specifies the downstream ports which will swap the
+ differential-pair (D+/D-), default is not-swapped.
+ - swap-us-lanes : Selects the upstream port differential-pair (D+/D-)
+ swapping (boolean, default is not-swapped)
Examples:
usb2512b@2c {