lkml.org 
[lkml]   [2020]   [Sep]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [PATCH v3 2/3] dt-bindings: usb: cdns,usb3: Add cdns,phyrst-a-enable property
    From
    Date
    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

    \
     
     \ /
      Last update: 2020-09-16 00:33    [W:4.381 / U:0.180 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site