linux-kernel - RE: [PATCH v3 4/5] dt-bindings: phy: realtek: Add the doc about the Realtek SoC USB 2.0 PHY

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Date:   Thu, 8 Jun 2023 08:01:13 +0000
From:   Stanley Chang[昌育德] 
        <stanley_chang@...ltek.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Ray Chi <raychi@...gle.com>,
        Matthias Kaehlcke <mka@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Michael Grzeschik <m.grzeschik@...gutronix.de>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>,
        Flavio Suligoi <f.suligoi@...m.it>,
        "linux-phy@...ts.infradead.org" <linux-phy@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>
Subject: RE: [PATCH v3 4/5] dt-bindings: phy: realtek: Add the doc about the Realtek SoC USB 2.0 PHY

> >>
> >> This needs to be specific. What the heck is "PHY parameter"?
> >>
> > It contains more parameters
> > page0 has 16 parameters
> > page1 has 8 parameters
> > page2 has 8 parameters
> > It's tedious if we list them all.
> 
> Sure, if you prefer not to list them, then they should be removed from DT.
> 
> > And we only set the part that differs from the default.
> > It's hard to explain which parameters were changed because each platform is
> different.
> 
> If this is phy tuning per board, you need to explain and justify them.
> If this is per platform, then drop it - not even needed, because you have
> compatible for this.
> 
Okay, I try to specify by the compatible.

Thanks,
Stanley