netdev - [PATCH net-next v2 0/3] Arrow SpeedChips XRS700x DSA Driver

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Date:   Wed, 25 Nov 2020 13:37:37 -0600
From:   George McCollister <george.mccollister@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>
Cc:     "David S . Miller " <davem@...emloft.net>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org,
        George McCollister <george.mccollister@...il.com>
Subject: [PATCH net-next v2 0/3] Arrow SpeedChips XRS700x DSA Driver

This series adds a DSA driver for the Arrow SpeedChips XRS 7000 series
of HSR/PRP gigabit switch chips.

The chips use Flexibilis IP.
More information can be found here:
 https://www.flexibilis.com/products/speedchips-xrs7000/

The switches have up to three RGMII ports and one MII port and are
managed via mdio or i2c. They use a one byte trailing tag to identify
the switch port when in managed mode so I've added a tag driver which
implements this.

This series contains minimal DSA functionality which may be built upon
in future patches. The ultimate goal is to add HSR and PRP
(IEC 62439-3 Clause 5 & 4) offloading with integration into net/hsr.

Changes since v1:
 * Use central TX reallocation in tag driver. (Andrew Lunn)
 * Code style fixes. (Andrew Lunn, Vladimir Oltean)
 * Code simplifications. (Andrew Lunn, Vladimir Oltean)
 * Verify detected switch matches compatible. (Andrew Lunn)
 * Add inbound policy to allow BPDUs. (Andrew Lunn)
 * Move files into their own subdir. (Vladimir Oltean)
 * Automate regmap field allocation. (Vladimir Oltean)
 * Move setting link speed to .mac_link_up. (Vladimir Oltean)
 * Use different compatible strings for e/f variants.

George McCollister (3):
  dsa: add support for Arrow XRS700x tag trailer
  net: dsa: add Arrow SpeedChips XRS700x driver
  dt-bindings: net: dsa: add bindings for xrs700x switches

 .../devicetree/bindings/net/dsa/arrow,xrs700x.yaml |  74 +++
 drivers/net/dsa/Kconfig                            |   2 +
 drivers/net/dsa/Makefile                           |   1 +
 drivers/net/dsa/xrs700x/Kconfig                    |  26 +
 drivers/net/dsa/xrs700x/Makefile                   |   4 +
 drivers/net/dsa/xrs700x/xrs700x.c                  | 585 +++++++++++++++++++++
 drivers/net/dsa/xrs700x/xrs700x.h                  |  38 ++
 drivers/net/dsa/xrs700x/xrs700x_i2c.c              | 150 ++++++
 drivers/net/dsa/xrs700x/xrs700x_mdio.c             | 162 ++++++
 drivers/net/dsa/xrs700x/xrs700x_reg.h              | 205 ++++++++
 include/net/dsa.h                                  |   2 +
 net/dsa/Kconfig                                    |   6 +
 net/dsa/Makefile                                   |   1 +
 net/dsa/tag_xrs700x.c                              |  67 +++
 14 files changed, 1323 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/dsa/arrow,xrs700x.yaml
 create mode 100644 drivers/net/dsa/xrs700x/Kconfig
 create mode 100644 drivers/net/dsa/xrs700x/Makefile
 create mode 100644 drivers/net/dsa/xrs700x/xrs700x.c
 create mode 100644 drivers/net/dsa/xrs700x/xrs700x.h
 create mode 100644 drivers/net/dsa/xrs700x/xrs700x_i2c.c
 create mode 100644 drivers/net/dsa/xrs700x/xrs700x_mdio.c
 create mode 100644 drivers/net/dsa/xrs700x/xrs700x_reg.h
 create mode 100644 net/dsa/tag_xrs700x.c

-- 
2.11.0