Add documentation for the optional property boost-up.
Signed-off-by: Tommaso Merciai <tomm.merciai@gmail.com>
---
Documentation/devicetree/bindings/usb/usb251xb.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/usb251xb.txt b/Documentation/devicetree/bindings/usb/usb251xb.txt
index 1a934eab175e..29b5d6521f3c 100644
--- a/Documentation/devicetree/bindings/usb/usb251xb.txt
+++ b/Documentation/devicetree/bindings/usb/usb251xb.txt
@@ -67,6 +67,8 @@ Optional properties :
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.
+ - boost-up: Property control USB electrical drive strength. There are 4 possible
+ modes: normal (0x00), low (0x01), medium (0x10), high (0x11). Normal default.
Examples:
usb2512b@2c {
--
2.25.1