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Message-ID: <65c2649a.1c0a0220.ca891.c8da@mx.google.com>
Date: Tue, 6 Feb 2024 17:55:49 +0100
From: Christian Marangi <ansuelsmth@...il.com>
To: Conor Dooley <conor@...nel.org>
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Andrew Lunn <andrew@...n.ch>,
Heiner Kallweit <hkallweit1@...il.com>,
Russell King <linux@...linux.org.uk>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Robert Marko <robert.marko@...tura.hr>, netdev@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org
Subject: Re: [net-next PATCH v6 05/10] dt-bindings: net: Document Qcom
QCA807x PHY package
On Tue, Feb 06, 2024 at 04:32:29PM +0000, Conor Dooley wrote:
> Hey Christian,
>
> On Mon, Feb 05, 2024 at 05:48:37PM +0100, Christian Marangi wrote:
> > Document Qcom QCA807x PHY package.
> >
> > Qualcomm QCA807X Ethernet PHY is PHY package of 2 or 5
> > IEEE 802.3 clause 22 compliant 10BASE-Te, 100BASE-TX and
> > 1000BASE-T PHY-s.
> >
> > Document the required property to make the PHY package correctly
> > configure and work.
> >
> > Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
>
> I think this looks pretty decent, some minor comments.
>
> > + qcom,package-mode:
> > + description: |
> > + PHY package can be configured in 3 mode following this table:
> > +
> > + First Serdes mode Second Serdes mode
> > + Option 1 PSGMII for copper Disabled
> > + ports 0-4
> > + Option 2 PSGMII for copper 1000BASE-X / 100BASE-FX
> > + ports 0-4
> > + Option 3 QSGMII for copper SGMII for
> > + ports 0-3 copper port 4
> > +
> > + PSGMII mode (option 1 or 2) is configured dynamically by the driver
>
> I'd drop mention of the driver here, with s/by the driver//.
>
Sure.
> > + based on the presence of a connected SFP device.
> > + $ref: /schemas/types.yaml#/definitions/string
> > + enum:
> > + - qsgmii
> > + - psgmii
> > + default: psgmii
> > +
> > + qcom,tx-driver-strength-milliwatt:
>
> Is this a typo? Should not it be "drive-strength"? There's 39 mentions
> in tree of "driver-strength" and 3500 for "drive-strength".
In the PHY datasheet the reg is called TX_DRIVER and the description say
TX driver amplitude adjustment.
But the section is PSGMII/QSGMII drive control 1 register...
Guess it's a typo in the datasheet. Will change to drive.
>
> Otherwise I think the review comments have been resolved:
> Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
>
Thanks!
--
Ansuel
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