linux-kernel - Re: [PATCH 13/18] dt-bindings: usb: dwc3: Add Tx De-emphasis restrictions

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Date:   Sun, 11 Oct 2020 11:56:21 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...il.com>
To:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Manu Gautam <mgautam@...eaurora.org>,
        Roger Quadros <rogerq@...com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kevin Hilman <khilman@...libre.com>, linux-usb@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 13/18] dt-bindings: usb: dwc3: Add Tx De-emphasis
 restrictions

On 11.10.2020 1:41, Serge Semin wrote:

> In accordance with the driver comments the PIPE3 de-emphasis can be tunned

    Tuned.

> to be either -6dB, or -2.5dB or disabled. Let's add the de-emphasis

    Either -6dB, -2.5dB, or disabled?

> property restriction so the DT schema would make sure the controller DT
> node is equipped with correct values.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
[...]

MBR, Sergei