From: Andrew Lunn <andrew@lunn.ch>
To: Tristram.Ha@microchip.com
Cc: Woojung Huh <woojung.huh@microchip.com>,
UNGLinuxDriver@microchip.com, devicetree@vger.kernel.org,
Florian Fainelli <f.fainelli@gmail.com>,
Vladimir Oltean <olteanv@gmail.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Marek Vasut <marex@denx.de>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 1/4] dt-bindings: net: dsa: microchip: add SGMII port support to KSZ9477 switch
Date: Sat, 10 Aug 2024 19:26:16 +0200 [thread overview]
Message-ID: <eae7d246-49c3-486e-bc62-cdb49d6b1d72@lunn.ch> (raw)
In-Reply-To: <20240809233840.59953-2-Tristram.Ha@microchip.com>
On Fri, Aug 09, 2024 at 04:38:37PM -0700, Tristram.Ha@microchip.com wrote:
> From: Tristram Ha <tristram.ha@microchip.com>
>
> The SGMII module of KSZ9477 switch can be setup in 3 ways: 0 for direct
> connect, 1 for 1000BaseT SFP, and 2 for 10/100/1000 SFP.
>
> SFP is typically used so the default is 1. The driver can detect
> 10/100/1000 SFP and change the mode to 2. For direct connect this mode
> has to be explicitly set to 0 as driver cannot detect that
> configuration.
Could you explain this in more detail. Other SGMII blocks don't need
this. Why is this block special?
Has this anything to do with in-band signalling?
Andrew
next prev parent reply other threads:[~2024-08-10 17:26 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-09 23:38 [PATCH net-next 0/4] " Tristram.Ha
2024-08-09 23:38 ` [PATCH net-next 1/4] dt-bindings: " Tristram.Ha
2024-08-10 0:20 ` Rob Herring (Arm)
2024-08-10 11:48 ` Krzysztof Kozlowski
2024-08-13 23:09 ` Tristram.Ha
2024-08-14 6:12 ` Krzysztof Kozlowski
2024-08-14 22:32 ` Tristram.Ha
2024-08-10 17:26 ` Andrew Lunn [this message]
2024-08-13 21:14 ` Tristram.Ha
2024-08-13 21:32 ` Andrew Lunn
2024-08-13 22:17 ` Tristram.Ha
2024-08-14 13:50 ` Andrew Lunn
2024-08-14 22:30 ` Tristram.Ha
2024-08-14 22:40 ` Andrew Lunn
2024-08-15 21:54 ` Tristram.Ha
2024-08-15 22:50 ` Andrew Lunn
2024-08-09 23:38 ` [PATCH net-next 2/4] net: dsa: microchip: support global switch interrupt in KSZ DSA driver Tristram.Ha
2024-08-09 23:38 ` [PATCH net-next 3/4] net: dsa: microchip: handle most interrupts in KSZ9477/KSZ9893 switch families Tristram.Ha
2024-08-10 17:43 ` Sai Krishna Gajula
2024-08-10 17:44 ` Andrew Lunn
2024-08-13 22:24 ` Tristram.Ha
2024-08-14 13:55 ` Andrew Lunn
2024-08-09 23:38 ` [PATCH net-next 4/4] net: dsa: microchip: add SGMII port support to KSZ9477 switch Tristram.Ha
2024-08-10 17:52 ` Andrew Lunn
2024-08-13 20:59 ` Tristram.Ha
2024-08-11 16:32 ` Andrew Lunn
2024-08-13 20:54 ` Tristram.Ha
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