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Date: Fri, 29 Jul 2022 17:33:52 +0200 From: Maxime Chevallier <maxime.chevallier@...tlin.com> To: davem@...emloft.net, Rob Herring <robh+dt@...nel.org> Cc: Maxime Chevallier <maxime.chevallier@...tlin.com>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, thomas.petazzoni@...tlin.com, Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>, Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, linux-arm-kernel@...ts.infradead.org, Richard Cochran <richardcochran@...il.com>, Horatiu.Vultur@...rochip.com, Allan.Nielsen@...rochip.com, UNGLinuxDriver@...rochip.com Subject: [PATCH net-next v3 0/4] net: Introduce QUSGMII phy mode Hello everyone, This is the V3 of a previous series [1] initially aimed at introducing inband extensions, with modes like QUSGMII. This mode allows passing info in the ethernet preamble between the MAC and the PHY, such s timestamps. This series has now become a preliminary series, that simply introduces the new interface mode, without support for inband extensions, that will come later. The reasonning is that work will need to be done in the networking subsystem, but also in the generic phy driver subsystem to allow serdes configuration for qusgmii. This series add the mode, the relevant binding changes, adds support for it in the lan966x driver, and also introduces a small helper to get the number of links a given phy mode can carry (think 1 for SGMII and 4 for QSGMII). This allows for better readability and will prove useful when (if) we support PSGMII (5 links on 1 interface) and OUSGMII (8 links on one interface). V3 includes small fixups on the ports-per-interface assignment and some missing documentation, thanks Andrew and Florian for the review ! Best regards, Maxime [1] : https://lore.kernel.org/netdev/20220519135647.465653-1-maxime.chevallier@bootlin.com/ Maxime Chevallier (4): net: phy: Introduce QUSGMII PHY mode dt-bindings: net: ethernet-controller: add QUSGMII mode net: phy: Add helper to derive the number of ports from a phy mode net: lan966x: Add QUSGMII support for lan966x .../bindings/net/ethernet-controller.yaml | 1 + Documentation/networking/phy.rst | 9 ++++ .../ethernet/microchip/lan966x/lan966x_main.c | 2 + .../microchip/lan966x/lan966x_phylink.c | 3 +- .../ethernet/microchip/lan966x/lan966x_port.c | 22 +++++--- .../ethernet/microchip/lan966x/lan966x_regs.h | 6 +++ drivers/net/phy/phy-core.c | 52 +++++++++++++++++++ drivers/net/phy/phylink.c | 3 ++ include/linux/phy.h | 6 +++ 9 files changed, 97 insertions(+), 7 deletions(-) -- 2.37.1
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