Messages in this thread | | | Subject | Re: [PATCH v3 2/3] dt-bindings: usb: cdns,usb3: Add cdns,phyrst-a-enable property | From | Sergei Shtylyov <> | Date | Tue, 15 Sep 2020 19:15:10 +0300 |
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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@ti.com> > Acked-by: Rob Herring <robh@kernel.org> > --- > 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
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