1What:		/sys/bus/mdio_bus/devices/.../phy_id
2Date:		November 2012
3KernelVersion:	3.8
4Contact:	netdev@vger.kernel.org
5Description:
6		This attribute contains the 32-bit PHY Identifier as reported
7		by the device during bus enumeration, encoded in hexadecimal.
8		This ID is used to match the device with the appropriate
9		driver.
10
11What:		/sys/bus/mdio_bus/devices/.../phy_interface
12Date:		February 2014
13KernelVersion:	3.15
14Contact:	netdev@vger.kernel.org
15Description:
16		This attribute contains the PHY interface as configured by the
17		Ethernet driver during bus enumeration, encoded in string.
18		This interface mode is used to configure the Ethernet MAC with the
19		appropriate mode for its data lines to the PHY hardware.
20
21What:		/sys/bus/mdio_bus/devices/.../phy_has_fixups
22Date:		February 2014
23KernelVersion:	3.15
24Contact:	netdev@vger.kernel.org
25Description:
26		This attribute contains the boolean value whether a given PHY
27		device has had any "fixup" workaround running on it, encoded as
28		a boolean. This information is provided to help troubleshooting
29		PHY configurations.
30