From: Andrew Lunn <andrew@lunn.ch>
To: Stefan Eichenberger <eichest@gmail.com>
Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
pabeni@redhat.com, robh@kernel.org,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
lxu@maxlinear.com, hkallweit1@gmail.com, linux@armlinux.org.uk,
michael@walle.cc, netdev@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 2/2] net: phy: mxl-gpy: add new device tree property to disable SGMII autoneg
Date: Tue, 16 Apr 2024 15:46:19 +0200 [thread overview]
Message-ID: <3f7f278f-e490-47f1-971c-ecf44a70cee4@lunn.ch> (raw)
In-Reply-To: <20240416121032.52108-3-eichest@gmail.com>
On Tue, Apr 16, 2024 at 02:10:32PM +0200, Stefan Eichenberger wrote:
> Add a new device tree property to disable SGMII autonegotiation and
> instead use the option to match the SGMII speed to what was negotiated
> on the twisted pair interface (tpi).
Could you explain this is more detail.
SGMII always runs its clocks at 1000Mbps. The MAC needs to duplicate
the symbols 100 times when running at 10Mbs, and 10 times when running
at 100Mbps.
Andrew
next prev parent reply other threads:[~2024-04-16 13:46 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-16 12:10 [RFC PATCH 0/2] mxl-gpy: add option to match SGMII speed to the TPI speed Stefan Eichenberger
2024-04-16 12:10 ` [RFC PATCH 1/2] dt-bindings: net: phy: gpy2xx: add sgmii-match-tpi-speed property Stefan Eichenberger
2024-04-16 12:10 ` [RFC PATCH 2/2] net: phy: mxl-gpy: add new device tree property to disable SGMII autoneg Stefan Eichenberger
2024-04-16 13:46 ` Andrew Lunn [this message]
2024-04-16 15:43 ` Stefan Eichenberger
2024-04-16 15:48 ` Russell King (Oracle)
2024-04-16 16:00 ` Russell King (Oracle)
2024-04-16 16:02 ` Andrew Lunn
2024-04-16 16:24 ` Russell King (Oracle)
2024-04-16 17:23 ` Stefan Eichenberger
2024-04-16 18:12 ` Russell King (Oracle)
2024-04-17 7:22 ` Stefan Eichenberger
2024-04-18 15:01 ` Russell King (Oracle)
2024-04-24 14:58 ` Russell King (Oracle)
2024-04-24 15:56 ` Stefan Eichenberger
2024-04-24 18:13 ` Russell King (Oracle)
2024-04-25 11:24 ` Stefan Eichenberger
2024-04-25 14:30 ` Russell King (Oracle)
2024-04-25 15:51 ` Stefan Eichenberger
2024-04-25 16:30 ` Russell King (Oracle)
2024-04-25 17:33 ` Stefan Eichenberger
2024-04-25 20:15 ` Russell King (Oracle)
2024-05-02 13:44 ` Stefan Eichenberger
2024-05-02 14:14 ` Russell King (Oracle)
2024-05-03 16:35 ` Stefan Eichenberger
2024-05-03 22:41 ` Russell King (Oracle)
2024-05-06 12:29 ` Stefan Eichenberger
2024-04-23 13:23 ` Simon Horman
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