[PATCH v4 0/3] phy: Add driver for lan966x Serdes driver

Horatiu Vultur horatiu.vultur at microchip.com
Thu Nov 4 01:58:56 PDT 2021


Hi Kishon, Vinod,

Please let me know if you have more comments to this patch series.
Do you think it would be possible to get it in 5.16?

The 10/20/2021 11:42, Horatiu Vultur wrote:
> This patch serie adds support for Microchip lan966x serdes. The lan966x
> device contains has 7 interfaces, consisting of 2 copper transceivers,
> 3 Serdes and 2 RGMII interfaces. Two of the Serdes support QSGMII.
> The driver also adds the functionality of "muxing" the interfaces to
> different logical ports.
> 
> The following table shows which interfaces can be supported by the port.
> 
> PortNumber    Max Speed    Ethernet interface options
>     0            1Gbps       CuPHY, 1G SGMII or QSGMII
>     1            1Gbps       CuPHY, 1G SGMII or QSGMII
>     2          2.5Gbps       2.5G SGMII, QSGMII, RGMII
>     3          2.5Gbps       2.5G SGMII, QSGMII, RGMII
>     4          2.5Gbps       2.5G SGMII, QSGMII
>     5            1Gbps       QSGMII, RGMII
>     6            1Gbps       QSGMII, RGMII
>     7            1Gbps       QSGMII
> 
> v3->v4:
> - update description of the driver
> - removed unused registers
> - use bitfield operations in the registers
> - add macros for PLL configuration
> - move macros and structs at the top of the file
> 
> v2->v3:
> - remove unused includes
> - add missing '...' in microchip,lan966x-serdes.yaml
> - rename lan966x-serdes.h to phy-lan966x-serdes.h
> - Rename CU->PHY and RG->RGMII
> - update commit message for PATCH 2
> 
> v1->v2:
> - replace the regmap with iomem
> - update DT bindings
> 
> 
> Horatiu Vultur (3):
>   dt-bindings: phy: Add lan966x-serdes binding
>   dt-bindings: phy: Add constants for lan966x serdes
>   phy: Add lan966x ethernet serdes PHY driver
> 
>  .../phy/microchip,lan966x-serdes.yaml         |  59 ++
>  drivers/phy/microchip/Kconfig                 |   8 +
>  drivers/phy/microchip/Makefile                |   1 +
>  drivers/phy/microchip/lan966x_serdes.c        | 548 ++++++++++++++++++
>  drivers/phy/microchip/lan966x_serdes_regs.h   | 209 +++++++
>  include/dt-bindings/phy/phy-lan966x-serdes.h  |  14 +
>  6 files changed, 839 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/microchip,lan966x-serdes.yaml
>  create mode 100644 drivers/phy/microchip/lan966x_serdes.c
>  create mode 100644 drivers/phy/microchip/lan966x_serdes_regs.h
>  create mode 100644 include/dt-bindings/phy/phy-lan966x-serdes.h
> 
> -- 
> 2.33.0
> 

-- 
/Horatiu



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