Hello! On 9/15/20 2:45 PM, Roger Quadros wrote: > Controller version 0x0002450D has USB2 PHY RX sensitivity issues > that needs to be worked around by enabling phyrst-a-enable bit > in PHYRST_CFG register. > > There is no way to know controller version before device controller > is started and the workaround needs to be applied for both host and > device modes, so we add this DT property. > > Signed-off-by: Roger Quadros <rogerq@xxxxxx> > Acked-by: Rob Herring <robh@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/usb/cdns,usb3.yaml | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml > index 9b14c8443d39..ac20b98e9910 100644 > --- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml > +++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml > @@ -61,6 +61,10 @@ properties: > buffers expressed in KB > $ref: /schemas/types.yaml#/definitions/uint32 > > + cdns,phyrst-a-enable: > + description: Enable resetting of PHY if Rx fail is detected Failure? [...] MBR, Sergei