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Message-Id: <20230524091722.522118-1-jiawenwu@trustnetic.com>
Date: Wed, 24 May 2023 17:17:13 +0800
From: Jiawen Wu <jiawenwu@...stnetic.com>
To: netdev@...r.kernel.org,
	jarkko.nikula@...ux.intel.com,
	andriy.shevchenko@...ux.intel.com,
	mika.westerberg@...ux.intel.com,
	jsd@...ihalf.com,
	Jose.Abreu@...opsys.com,
	andrew@...n.ch,
	hkallweit1@...il.com,
	linux@...linux.org.uk
Cc: linux-i2c@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	mengyuanlou@...-swift.com,
	Jiawen Wu <jiawenwu@...stnetic.com>
Subject: [PATCH net-next v9 0/9] TXGBE PHYLINK support

mplement 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.

v8 -> v9:
- rename swnode property for specific I2C platform device
- add ".fast_io = true" for I2C regmap
- use raw_spinlock_t for GPIO reg lock and adjust its position
- remove redundant txgbe->mdiodev
- keep reverse x-mass tree order
- other minor style changes

v7 -> v8:
- use macro defined I2C FIFO depth instead of magic number
- fix return code of clock create failure
- add spinlock for writing GPIO registers
- implement triggering GPIO interrupts for both-edge type
- remove the condition that enables interrupts
- add mii bus check for PCS device
- other minor style changes

v6 -> v7:
- change swnode property of I2C platform to be boolean
- use device_property_present() to match I2C device data

v5 -> v6:
- fix to set error code if pointer of txgbe is NULL
- change "if" to "switch" for *_i2c_dw_xfer_quirk()
- rename property for I2C device flag
- use regmap to access I2C mem region
- use DEFINE_RES_IRQ()
- use phylink_mii_c45_pcs_get_state() for DW_XPCS_10GBASER

v4 -> v5:
- add clock register
- delete i2c-dw.h with platform data
- introduce property "i2c-dw-flags" to match device flags
- get resource from platform info to do ioremap
- rename quirk functions in i2c-designware-*.c
- fix calling txgbe_phylink_init()

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 (9):
  net: txgbe: Add software nodes to support phylink
  i2c: designware: Add driver support for Wangxun 10Gb NIC
  net: txgbe: Register fixed rate clock
  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      |   4 +
 drivers/i2c/busses/i2c-designware-master.c    |  89 ++-
 drivers/i2c/busses/i2c-designware-platdrv.c   |  15 +
 drivers/net/ethernet/wangxun/Kconfig          |   8 +
 drivers/net/ethernet/wangxun/libwx/wx_lib.c   |   3 +-
 drivers/net/ethernet/wangxun/libwx/wx_type.h  |   4 +
 drivers/net/ethernet/wangxun/txgbe/Makefile   |   1 +
 .../ethernet/wangxun/txgbe/txgbe_ethtool.c    |  28 +
 .../net/ethernet/wangxun/txgbe/txgbe_main.c   |  65 +-
 .../net/ethernet/wangxun/txgbe/txgbe_phy.c    | 678 ++++++++++++++++++
 .../net/ethernet/wangxun/txgbe/txgbe_phy.h    |  10 +
 .../net/ethernet/wangxun/txgbe/txgbe_type.h   |  89 +++
 drivers/net/pcs/pcs-xpcs.c                    |  30 +
 include/linux/pcs/pcs-xpcs.h                  |   1 +
 15 files changed, 995 insertions(+), 38 deletions(-)
 create mode 100644 drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
 create mode 100644 drivers/net/ethernet/wangxun/txgbe/txgbe_phy.h

-- 
2.27.0


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