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qemu/include/hw/net
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Guenter Roeck df3f5efe10 hw/net/imx_fec: Support two Ethernet interfaces connected to single MDIO bus 
The SOC on i.MX6UL and i.MX7 has 2 Ethernet interfaces. The PHY on each may
be connected to separate MDIO busses, or both may be connected on the same
MDIO bus using different PHY addresses. Commit 461c51ad42 ("Add a phy-num
property to the i.MX FEC emulator") added support for specifying PHY
addresses, but it did not provide support for linking the second PHY on
a given MDIO bus to the other Ethernet interface.

To be able to support two PHY instances on a single MDIO bus, two properties
are needed: First, there needs to be a flag indicating if the MDIO bus on
a given Ethernet interface is connected. If not, attempts to read from this
bus must always return 0xffff. Implement this property as phy-connected.
Second, if the MDIO bus on an interface is active, it needs a link to the
consumer interface to be able to provide PHY access for it. Implement this
property as phy-consumer.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Message-id: 20230315145248.1639364-2-linux@roeck-us.net
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2023-04-20 10:25:43 +01:00
..
allwinner_emac.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
allwinner-sun8i-emac.h Clean up decorations and whitespace around header guards 2022-05-11 16:50:32 +02:00
cadence_gem.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
ftgmac100.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
imx_fec.h hw/net/imx_fec: Support two Ethernet interfaces connected to single MDIO bus 2023-04-20 10:25:43 +01:00
lan9118.h
lance.h Use DECLARE_*CHECKER* macros 2020-09-09 09:27:09 -04:00
lasi_82596.h include: Include headers where needed 2023-01-08 01:54:22 -05:00
mii.h fsl_etsec: Use hw/net/mii.h 2023-03-10 15:35:38 +08:00
msf2-emac.h Use OBJECT_DECLARE_SIMPLE_TYPE when possible 2020-09-18 14:12:32 -04:00
mv88w8618_eth.h Clean up header guards that don't match their file name 2022-05-11 16:49:06 +02:00
ne2000-isa.h isa: Convert uses of isa_create(), isa_try_create() manually 2020-06-15 22:05:28 +02:00
npcm7xx_emc.h hw/arm/npcm7xx: Declare QOM macros using OBJECT_DECLARE_SIMPLE_TYPE() 2023-01-12 17:15:09 +00:00
smc91c111.h
xlnx-zynqmp-can.h include: Include headers where needed 2023-01-08 01:54:22 -05:00