Merge branch 'net-ethernet-ti-am65-cpsw-nuss-introduce-support-for-am64x-cpsw3g'

Grygorii Strashko says:

====================
net: ethernet: ti: am65-cpsw-nuss: introduce support for am64x cpsw3g

This series introduces basic support for recently introduced TI K3 AM642x SoC [1]
which contains 3 port (2 external ports) CPSW3g module. The CPSW3g integrated
in MAIN domain and can be configured in multi port or switch modes.
In this series only multi port mode is enabled. The initial version of switchdev
support was introduced by Vignesh Raghavendra [2] and work is in progress.

The overall functionality and DT bindings are similar to other K3 CPSWxg
versions, so DT binding changes are minimal and driver is mostly re-used for
TI K3 AM642x CPSW3g.

The main difference is that TI K3 AM642x SoC is not fully DMA coherent and
instead DMA coherency is supported per DMA channel.

Patches 1-2 - DT bindings update
Patches 3-4 - Update driver to support changed DMA coherency model
Patches 5-6 - adds TI K3 AM642x SoC platform data and so enable CPSW3g

[1] https://www.ti.com/lit/pdf/spruim2
[2] https://patchwork.ozlabs.org/project/netdev/cover/20201130082046.16292-1-vigneshr@ti.com/
====================

Link: https://lore.kernel.org/r/20210115192853.5469-1-grygorii.strashko@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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