net: bcmgenet: add MDIO routines

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This patch adds support for configuring the port multiplexer hardware
which resides in front of the GENET Ethernet MAC controller. This allows
us to support:

- internal PHYs (using drivers/net/phy/bcm7xxx.c)
- MoCA PHYs which are an entirely separate hardware block not covered
  here
- external PHYs and switches

Note that MoCA and switches are currently supported using the emulated
"fixed PHY" driver.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Florian Fainelli 2014-02-13 16:08:48 -08:00 • committed by David S. Miller

parent 1c1008c793

commit aa09677cba

1 changed files with 464 additions and 0 deletions

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drivers/net/ethernet/broadcom/genet/bcmmii.c

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