netdev - [PATCH net-next 00/11] New DSA driver for VSC9953 Seville switch

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Date:   Thu, 28 May 2020 02:41:02 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, andrew@...n.ch, vivien.didelot@...il.com,
        f.fainelli@...il.com, linux@...linux.org.uk,
        antoine.tenart@...tlin.com, alexandre.belloni@...tlin.com,
        horatiu.vultur@...rochip.com, allan.nielsen@...rochip.com,
        UNGLinuxDriver@...rochip.com, alexandru.marginean@....com,
        claudiu.manoil@....com, madalin.bucur@....nxp.com,
        radu-andrei.bulie@....com, fido_max@...ox.ru
Subject: [PATCH net-next 00/11] New DSA driver for VSC9953 Seville switch

Looking at the Felix and Ocelot drivers, Maxim asked if it would be
possible to use them as a base for a new driver for the switch inside
NXP T1040. Turns out, it is! The result is a driver eerily similar to
Felix.

The biggest challenge seems to be getting register read/write API
generic enough to cover such wild bitfield variations between hardware
generations. There is a patch on the regmap core which I would like to
get in through the networking subsystem, if possible (and if Mark is
ok), since it's a trivial addition.

Maxim Kochetkov (4):
  soc/mscc: ocelot: add MII registers description
  net: mscc: ocelot: convert SYS_PAUSE_CFG register access to regfield
  net: mscc: ocelot: extend watermark encoding function
  net: dsa: ocelot: introduce driver for Seville VSC9953 switch

Vladimir Oltean (7):
  regmap: add helper for per-port regfield initialization
  net: mscc: ocelot: unexport ocelot_probe_port
  net: mscc: ocelot: convert port registers to regmap
  net: mscc: ocelot: convert QSYS_SWITCH_PORT_MODE and SYS_PORT_MODE to
    regfields
  net: dsa: ocelot: create a template for the DSA tags on xmit
  net: mscc: ocelot: split writes to pause frame enable bit and to
    thresholds
  net: mscc: ocelot: disable flow control on NPI interface

 drivers/net/dsa/ocelot/Kconfig           |   12 +
 drivers/net/dsa/ocelot/Makefile          |    6 +
 drivers/net/dsa/ocelot/felix.c           |   49 +-
 drivers/net/dsa/ocelot/felix_vsc9959.c   |   72 +-
 drivers/net/dsa/ocelot/seville.c         |  742 +++++++++++++++
 drivers/net/dsa/ocelot/seville.h         |   50 +
 drivers/net/dsa/ocelot/seville_vsc9953.c | 1064 ++++++++++++++++++++++
 drivers/net/ethernet/mscc/ocelot.c       |   87 +-
 drivers/net/ethernet/mscc/ocelot.h       |    9 +-
 drivers/net/ethernet/mscc/ocelot_board.c |   21 +-
 drivers/net/ethernet/mscc/ocelot_io.c    |   18 +-
 drivers/net/ethernet/mscc/ocelot_regs.c  |   57 ++
 include/linux/regmap.h                   |    8 +
 include/soc/mscc/ocelot.h                |   68 +-
 include/soc/mscc/ocelot_dev.h            |   78 --
 include/soc/mscc/ocelot_qsys.h           |   13 -
 include/soc/mscc/ocelot_sys.h            |   23 -
 net/dsa/tag_ocelot.c                     |   21 +-
 18 files changed, 2196 insertions(+), 202 deletions(-)
 create mode 100644 drivers/net/dsa/ocelot/seville.c
 create mode 100644 drivers/net/dsa/ocelot/seville.h
 create mode 100644 drivers/net/dsa/ocelot/seville_vsc9953.c

-- 
2.25.1