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net: dsa: LAN9303: add MDIO managed mode support

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When the LAN9303 device is in MDIO manged mode, all register accesses must
be done via MDIO.

Please note: this code is compile time tested only due to the absence of such
configured hardware. It is based on a patch from Stefan Roese from 2014.

Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
CC: devicetree@vger.kernel.org
CC: robh+dt@kernel.org
CC: mark.rutland@arm.com
CC: sr@denx.de
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Juergen Beisert
2017-04-18 10:48:27 +02:00
committed by David S. Miller
parent be4e119f99
commit dc70058315
4 changed files with 201 additions and 1 deletions
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8
drivers/net/dsa/Kconfig
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@@ -66,4 +66,12 @@ config NET_DSA_SMSC_LAN9303_I2C
Enable access functions if the SMSC/Microchip LAN9303 is configured
for I2C managed mode.
config NET_DSA_SMSC_LAN9303_MDIO
tristate "SMSC/Microchip LAN9303 3-ports 10/100 ethernet switch in MDIO managed mode"
depends on NET_DSA
select NET_DSA_SMSC_LAN9303
---help---
Enable access functions if the SMSC/Microchip LAN9303 is configured
for MDIO managed mode.
endmenu