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Message-Id: <20250403181907.1947517-1-sean.anderson@linux.dev>
Date: Thu, 3 Apr 2025 14:18:54 -0400
From: Sean Anderson <sean.anderson@...ux.dev>
To: netdev@...r.kernel.org,
Andrew Lunn <andrew+netdev@...n.ch>,
"David S . Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Russell King <linux@...linux.org.uk>
Cc: linux-kernel@...r.kernel.org,
Christian Marangi <ansuelsmth@...il.com>,
upstream@...oha.com,
Heiner Kallweit <hkallweit1@...il.com>,
Sean Anderson <sean.anderson@...ux.dev>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
Clark Wang <xiaoning.wang@....com>,
Claudiu Beznea <claudiu.beznea@...rochip.com>,
Claudiu Manoil <claudiu.manoil@....com>,
Conor Dooley <conor+dt@...nel.org>,
Ioana Ciornei <ioana.ciornei@....com>,
Jonathan Corbet <corbet@....net>,
Joyce Ooi <joyce.ooi@...el.com>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Li Yang <leoyang.li@....com>,
Madalin Bucur <madalin.bucur@....com>,
Madhavan Srinivasan <maddy@...ux.ibm.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Michael Ellerman <mpe@...erman.id.au>,
Michal Simek <michal.simek@....com>,
Naveen N Rao <naveen@...nel.org>,
Nicholas Piggin <npiggin@...il.com>,
Nicolas Ferre <nicolas.ferre@...rochip.com>,
Radhey Shyam Pandey <radhey.shyam.pandey@....com>,
Rob Herring <robh+dt@...nel.org>,
Rob Herring <robh@...nel.org>,
Robert Hancock <robert.hancock@...ian.com>,
Saravana Kannan <saravanak@...gle.com>,
Shawn Guo <shawnguo@...nel.org>,
UNGLinuxDriver@...rochip.com,
Vladimir Oltean <vladimir.oltean@....com>,
Wei Fang <wei.fang@....com>,
devicetree@...r.kernel.org,
imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
linux-doc@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linuxppc-dev@...ts.ozlabs.org
Subject: [RFC net-next PATCH 00/13] Add PCS core support
This series adds support for creating PCSs as devices on a bus with a
driver (patch 3). As initial users,
- The Lynx PCS (and all of its users) is converted to this system (patch 5)
- The Xilinx PCS is broken out from the AXI Ethernet driver (patches 6-8)
- The Cadence MACB driver is converted to support external PCSs (namely
the Xilinx PCS) (patches 9-10).
The last few patches add device links for pcs-handle to improve boot times,
and add compatibles for all Lynx PCSs.
Care has been taken to ensure backwards-compatibility. The main source
of this is that many PCS devices lack compatibles and get detected as
PHYs. To address this, pcs_get_by_fwnode_compat allows drivers to edit
the devicetree to add appropriate compatibles.
This is technically a v3 (with [1,2] being v1 and v2, respectively), but
there have been so many architectural changes that I didn't bother
maintaining the series changelog. I think it is best to review this
series independently of its past iterations. I submitted this as an RFC
since net-next is closed, but I believe this series is fully tested and
ready to be applied.
[1] https://lore.kernel.org/netdev/20211004191527.1610759-1-sean.anderson@seco.com/
[2] https://lore.kernel.org/netdev/20221103210650.2325784-1-sean.anderson@seco.com/
Sean Anderson (12):
dt-bindings: net: Add binding for Xilinx PCS
net: phylink: Support setting PCS link change callbacks
net: pcs: Add subsystem
net: pcs: lynx: Convert to an MDIO driver
net: phy: Export some functions
net: pcs: Add Xilinx PCS driver
net: axienet: Convert to use PCS subsystem
net: macb: Move most of mac_config to mac_prepare
net: macb: Support external PCSs
of: property: Add device link support for PCS
arm64: dts: Add compatible strings for Lynx PCSs
powerpc: dts: Add compatible strings for Lynx PCSs
Vladimir Oltean (1):
net: dsa: ocelot: suppress PHY device scanning on the internal MDIO
bus
.../devicetree/bindings/net/xilinx,pcs.yaml | 129 ++++
Documentation/networking/index.rst | 1 +
Documentation/networking/kapi.rst | 4 +
Documentation/networking/pcs.rst | 99 +++
MAINTAINERS | 8 +
.../arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 48 +-
.../arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 54 +-
.../dts/freescale/qoriq-fman3-0-10g-0.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-10g-1.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-0.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-1.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-2.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-3.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-4.dtsi | 3 +-
.../dts/freescale/qoriq-fman3-0-1g-5.dtsi | 3 +-
.../fsl/qoriq-fman3-0-10g-0-best-effort.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi | 3 +-
.../fsl/qoriq-fman3-0-10g-1-best-effort.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-10g-2.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-10g-3.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi | 3 +-
.../boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi | 3 +-
drivers/net/dsa/ocelot/Kconfig | 4 +
drivers/net/dsa/ocelot/felix_vsc9959.c | 15 +-
drivers/net/dsa/ocelot/seville_vsc9953.c | 16 +-
drivers/net/ethernet/altera/Kconfig | 2 +
drivers/net/ethernet/altera/altera_tse_main.c | 7 +-
drivers/net/ethernet/cadence/macb.h | 1 +
drivers/net/ethernet/cadence/macb_main.c | 229 ++++--
drivers/net/ethernet/freescale/dpaa/Kconfig | 2 +-
drivers/net/ethernet/freescale/dpaa2/Kconfig | 3 +
.../net/ethernet/freescale/dpaa2/dpaa2-mac.c | 11 +-
drivers/net/ethernet/freescale/enetc/Kconfig | 2 +
.../net/ethernet/freescale/enetc/enetc_pf.c | 8 +-
.../net/ethernet/freescale/enetc/enetc_pf.h | 1 -
.../freescale/enetc/enetc_pf_common.c | 4 +-
drivers/net/ethernet/freescale/fman/Kconfig | 4 +-
.../net/ethernet/freescale/fman/fman_memac.c | 27 +-
drivers/net/ethernet/stmicro/stmmac/Kconfig | 3 +
.../ethernet/stmicro/stmmac/dwmac-socfpga.c | 6 +-
drivers/net/ethernet/xilinx/Kconfig | 1 +
drivers/net/ethernet/xilinx/xilinx_axienet.h | 4 +-
.../net/ethernet/xilinx/xilinx_axienet_main.c | 104 +--
drivers/net/pcs/Kconfig | 51 +-
drivers/net/pcs/Makefile | 4 +
drivers/net/pcs/core.c | 701 ++++++++++++++++++
drivers/net/pcs/pcs-lynx.c | 115 +--
drivers/net/pcs/pcs-xilinx.c | 481 ++++++++++++
drivers/net/phy/mdio_device.c | 1 +
drivers/net/phy/phy_device.c | 3 +-
drivers/net/phy/phylink.c | 24 +-
drivers/of/property.c | 2 +
include/linux/pcs-lynx.h | 13 +-
include/linux/pcs-xilinx.h | 36 +
include/linux/pcs.h | 122 +++
include/linux/phy.h | 1 +
include/linux/phylink.h | 27 +-
70 files changed, 2104 insertions(+), 358 deletions(-)
create mode 100644 Documentation/devicetree/bindings/net/xilinx,pcs.yaml
create mode 100644 Documentation/networking/pcs.rst
create mode 100644 drivers/net/pcs/core.c
create mode 100644 drivers/net/pcs/pcs-xilinx.c
create mode 100644 include/linux/pcs-xilinx.h
create mode 100644 include/linux/pcs.h
--
2.35.1.1320.gc452695387.dirty
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