diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2017-07-25 15:03:39 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-06 20:55:29 -0700 |
| commit | 73970055450eebc6fc36fd170e56cc45889d0093 (patch) | |
| tree | 9f11642c4ca76d2ad62e1ec290492da6be0a13c5 /drivers/net/phy/Kconfig | |
| parent | da7c1862f05842236490a8e65cc6f57d8160c05d (diff) | |
| download | linux-73970055450eebc6fc36fd170e56cc45889d0093.tar.bz2 | |
sfp: add SFP module support
Add support for SFP hotpluggable modules via sfp-bus and phylink.
This supports both copper and optical SFP modules, which require
different Serdes modes in order to properly negotiate the link.
Optical SFP modules typically require the Serdes link to be talking
1000BaseX mode - this is the gigabit ethernet mode defined by the
802.3 standard.
Copper SFP modules typically integrate a PHY in the module to convert
from Serdes to copper, and the PHY will be configured by the vendor
to either present a 1000BaseX Serdes link (for fixed 1000BaseT) or a
SGMII Serdes link. However, this is vendor defined, so we instead
detect the PHY, switch the link to SGMII mode, and use traditional
PHY based negotiation.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/phy/Kconfig')
| -rw-r--r-- | drivers/net/phy/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index a0a9e03e2f80..bf73969a9d2b 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -200,6 +200,11 @@ config LED_TRIGGER_PHY comment "MII PHY device drivers" +config SFP + tristate "SFP cage support" + depends on I2C && PHYLINK + select MDIO_I2C + config AMD_PHY tristate "AMD PHYs" ---help--- |