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Default > delays in datasheet are not good enough for Xilinx Kria KR260 Robotics > Starter Kit (and others) so there is a need to program board specific > reset and power on delay via DT. > > Signed-off-by: Radhey Shyam Pandey > --- > Taken reference from mdio.yaml[1] > [1]: Documentation/devicetree/bindings/net/mdio.yaml > --- > .../devicetree/bindings/usb/microchip,usb5744.yaml | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml b/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml > index c68c04da3399..94a2bebd32da 100644 > --- a/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml > +++ b/Documentation/devicetree/bindings/usb/microchip,usb5744.yaml > @@ -52,6 +52,16 @@ properties: > description: > phandle of an usb hub connected via i2c bus. > > + reset-delay-us: > + description: > + RESET pulse width in microseconds. > + > + power-on-delay-us: > + description: > + Delay after power on in microseconds. USB5744 Hub requires some > + delay after reset to get to state when SMBus configuration > + data is going to be accepted. > + > required: > - compatible > - reg > @@ -69,6 +79,8 @@ allOf: > vdd2-supply: false > peer-hub: false > i2c-bus: false > + reset-delay-us: false > + power-on-delay-us: false > else: > $ref: /schemas/usb/usb-device.yaml > > > base-commit: 4f27f06ec12190c7c62c722e99ab6243dea81a94 Acked-by: Michal Simek Thanks, Michal