linux-kernel - Re: [PATCH v2 2/3] dt-bindings: usb: cdns,usb3: Add cdns,phyrst-a-enable property

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Date:   Mon, 14 Sep 2020 14:20:38 -0600
From:   Rob Herring <robh@...nel.org>
To:     Roger Quadros <rogerq@...com>
Cc:     pawell@...ence.com, vigneshr@...com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, nsekhar@...com,
        devicetree@...r.kernel.org, balbi@...nel.org, kurahul@...ence.com,
        robh+dt@...nel.org
Subject: Re: [PATCH v2 2/3] dt-bindings: usb: cdns,usb3: Add
 cdns,phyrst-a-enable property

On Wed, 02 Sep 2020 16:35:42 +0300, 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@...com>
> ---
>  Documentation/devicetree/bindings/usb/cdns,usb3.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 

Acked-by: Rob Herring <robh@...nel.org>