netdev - [PATCH net-next v4 0/8] TXGBE PHYLINK support

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Date:   Sat, 22 Apr 2023 12:56:13 +0800
From:   Jiawen Wu <jiawenwu@...stnetic.com>
To:     netdev@...r.kernel.org, andrew@...n.ch, linux@...linux.org.uk,
        jarkko.nikula@...ux.intel.com, olteanv@...il.com,
        andriy.shevchenko@...ux.intel.com, hkallweit1@...il.com
Cc:     linux-i2c@...r.kernel.org, linux-gpio@...r.kernel.org,
        mengyuanlou@...-swift.com, Jiawen Wu <jiawenwu@...stnetic.com>
Subject: [PATCH net-next v4 0/8] TXGBE PHYLINK support

Implement I2C, SFP, GPIO and PHYLINK to setup TXGBE link.

Because our I2C and PCS are based on Synopsys Designware IP-core, extend
the i2c-designware and pcs-xpcs driver to realize our functions.

v3 -> v4:
- modify I2C transfer to be generic implementation
- avoid to read DW_IC_COMP_PARAM_1
- remove redundant "if" statement
- add specific labels to handle error in txgbe_init_phy(), and remove
  "if" conditions in txgbe_remove_phy()

v2 -> v3:
- delete own I2C bus master driver, support it in i2c-designware
- delete own PCS functions, remove pma configuration and 1000BASE-X mode
- add basic function for 10GBASE-R interface in pcs-xpcs
- add helper to get txgbe pointer from netdev

v1 -> v2:
- add comments to indicate GPIO lines
- add I2C write operation support
- modify GPIO direction functions
- rename functions related to PHY interface
- add condition on interface changing to re-config PCS
- add to set advertise and fix to get status for 1000BASE-X mode
- other redundant codes remove

Jiawen Wu (8):
  net: txgbe: Add software nodes to support phylink
  i2c: designware: Add driver support for Wangxun 10Gb NIC
  net: txgbe: Register I2C platform device
  net: txgbe: Add SFP module identify
  net: txgbe: Support GPIO to SFP socket
  net: pcs: Add 10GBASE-R mode for Synopsys Designware XPCS
  net: txgbe: Implement phylink pcs
  net: txgbe: Support phylink MAC layer

 drivers/i2c/busses/i2c-designware-common.c    |   8 +
 drivers/i2c/busses/i2c-designware-core.h      |   1 +
 drivers/i2c/busses/i2c-designware-master.c    |  84 ++-
 drivers/i2c/busses/i2c-designware-platdrv.c   |  36 +-
 drivers/net/ethernet/wangxun/Kconfig          |   6 +
 drivers/net/ethernet/wangxun/libwx/wx_lib.c   |   3 +-
 drivers/net/ethernet/wangxun/libwx/wx_type.h  |   3 +
 drivers/net/ethernet/wangxun/txgbe/Makefile   |   1 +
 .../ethernet/wangxun/txgbe/txgbe_ethtool.c    |  28 +
 .../net/ethernet/wangxun/txgbe/txgbe_main.c   |  63 +-
 .../net/ethernet/wangxun/txgbe/txgbe_phy.c    | 570 ++++++++++++++++++
 .../net/ethernet/wangxun/txgbe/txgbe_phy.h    |  10 +
 .../net/ethernet/wangxun/txgbe/txgbe_type.h   |  92 +++
 drivers/net/pcs/pcs-xpcs.c                    |  56 ++
 include/linux/pcs/pcs-xpcs.h                  |   1 +
 include/linux/platform_data/i2c-dw.h          |  15 +
 16 files changed, 940 insertions(+), 37 deletions(-)
 create mode 100644 drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
 create mode 100644 drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h
 create mode 100644 include/linux/platform_data/i2c-dw.h

-- 
2.27.0