netdev - [PATCH net-next v6 0/6] RTL9300 MDIO driver

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Message-ID: <20250204030249.1965444-1-chris.packham@alliedtelesis.co.nz>
Date: Tue,  4 Feb 2025 16:02:43 +1300
From: Chris Packham <chris.packham@...iedtelesis.co.nz>
To: lee@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	tsbogend@...ha.franken.de,
	hkallweit1@...il.com,
	linux@...linux.org.uk,
	sander@...nheule.net,
	daniel@...rotopia.org,
	markus.stockhausen@....de
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-mips@...r.kernel.org,
	Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH net-next v6 0/6] RTL9300 MDIO driver

This series adds a driver for the MDIO controller on the RTL9300 family
of devices. The controller is a little unique in that we can't access the SMI
interfaces directly. This means we need to use the hardware description from
the DTS to compute a mapping of switch port to mdio bus/address.

Note that the dt-bindings: mfd patch is dependent on the dt-bindings: net patch.

It looks as if we're off Google's naughty list. It's kind of hard to tell.

This iteration makes use of the ethernet-ports property to figure out the
mapping from port to PHY which removes the need for any extar vendor specific
properties.

I've sent this as net-next. The first 4 patches could probably come in via
net-next if the mfd maintainers are happy with that. Not sure about the mips
ones. I've included them because the updated bindings will start complaining
about missing properties on the one in-tree dts file.

Chris Packham (6):
  dt-bindings: mfd: Add switch to RTL9300
  dt-bindings: net: Add Realtek MDIO controller
  dt-bindings: mfd: Add MDIO interface to rtl9301-switch
  net: mdio: Add RTL9300 MDIO driver
  mips: dts: realtek: Add MDIO controller
  mips: dts: cameo-rtl9302c: Add switch block

 .../bindings/mfd/realtek,rtl9301-switch.yaml  |  47 +-
 .../bindings/net/realtek,rtl9301-mdio.yaml    |  86 ++++
 .../cameo-rtl9302c-2x-rtl8224-2xge.dts        |  96 ++++
 arch/mips/boot/dts/realtek/rtl930x.dtsi       |  33 ++
 drivers/net/mdio/Kconfig                      |   7 +
 drivers/net/mdio/Makefile                     |   1 +
 drivers/net/mdio/mdio-realtek-rtl9300.c       | 472 ++++++++++++++++++
 7 files changed, 741 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/net/realtek,rtl9301-mdio.yaml
 create mode 100644 drivers/net/mdio/mdio-realtek-rtl9300.c

-- 
2.48.1