[PATCH 0/6] Add MV88E61xx DSA driver and use on gwventana

[Tim Harvey]

On Tue, Mar 29, 2022 at 3:52 PM Tim Harvey <tharvey at gateworks.com> wrote:
>
> This series adds a DSA driver for the MV88E61xx based on
> drivers/net/phy/mv88e61xx and uses in on the gwventana_gw5904_defconfig.
>
> The hope is that the other three boards that use the MV88E61xx driver
> can move to this as well eventually so that we can remove the non-dm
> driver and the 4 Kconfig options it requires.
>
> The MV88E61xx has an MDIO interface this DM_MDIO must be used so support
> for a UCLASS_MDIO driver is added to the fec_mxc ethernet driver in a
> way that allows a fallback to the previous non DM_MDIO case as there are
> many boards out there using this driver that define DM_MDIO but do not
> have the required dt props for a DM_MDIO driver which would cause a
> regression.
>
> Additionally a patch to ensure MDIO children are scanned on post-bind is
> needed.
>
> I'm making use of the dm_mdio_read/dm_mdio_write wrapper from Merak that
> is pending so it is in this series as well.
>
> Best Regards,
>
> Tim
>
> Tim Harvey (6):
>   net: mdio-uclass: scan for dm mdio children on post-bind
>   net: dsa: move cpu port probe to dsa_post_probe
>   net: mdio-uclass: add wrappers for read/write/reset operations
>   net: fec: add support for DM_MDIO
>   net: add MV88E61xx DSA driver
>   board: gw_ventana: enable MV88E61XX DSA support
>
>  arch/arm/dts/imx6qdl-gw5904.dtsi        |  35 +
>  board/gateworks/gw_ventana/gw_ventana.c |  50 +-
>  configs/gwventana_gw5904_defconfig      |   7 +-
>  drivers/net/Kconfig                     |   7 +
>  drivers/net/Makefile                    |   1 +
>  drivers/net/fec_mxc.c                   | 113 ++-
>  drivers/net/fec_mxc.h                   |   1 +
>  drivers/net/mv88e61xx.c                 | 982 ++++++++++++++++++++++++
>  include/miiphy.h                        |  31 +
>  net/dsa-uclass.c                        |  14 +-
>  net/mdio-uclass.c                       |  35 +
>  11 files changed, 1227 insertions(+), 49 deletions(-)
>  create mode 100644 drivers/net/mv88e61xx.c
>
> --
> 2.17.1
>

Adding Chris and Anotolij to the thread as the maintainers of the only
other boards using drivers/net/phy/mv88e61xx.c. If they can switch to
the DSA driver it would allow us to remove the static Kconfig options
to configure the switch which should be present in the device-tree.

Best Regards,

Tim