Message ID | 20220306184720.5350-1-tomm.merciai@gmail.com |
---|---|
State | New |
Headers | show |
Series | dt-bindings: usb: usb251xb: add documentation for boost-up property | expand |
On Sun, Mar 06, 2022 at 07:47:20PM +0100, Tommaso Merciai wrote: > 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. Needs a vendor prefix on the property name. Rob > > Examples: > usb2512b@2c { > -- > 2.25.1 > >
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 {
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(+)