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2016-11-09net: mdio-mux-mmioreg: Add support for 16bit and 32bit register sizesNeil Armstrong1-2/+2
In order to support PHY switching on Amlogic GXL SoCs, add support for 16bit and 32bit registers sizes. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-30netdev/phy: add MDIO bus multiplexer driven by a memory-mapped deviceTimur Tabi1-0/+75
Add support for an MDIO bus multiplexer controlled by a simple memory-mapped device, like an FPGA. The device must be memory-mapped and contain only 8-bit registers (which keeps things simple). Tested on a Freescale P5020DS board which uses the "PIXIS" FPGA attached to the localbus. Signed-off-by: Timur Tabi <timur@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>