| What: /sys/bus/mdio_bus/devices/.../phy_id |
| Date: November 2012 |
| KernelVersion: 3.8 |
| Contact: netdev@vger.kernel.org |
| Description: |
| This attribute contains the 32-bit PHY Identifier as reported |
| by the device during bus enumeration, encoded in hexadecimal. |
| This ID is used to match the device with the appropriate |
| driver. |
| |
| What: /sys/bus/mdio_bus/devices/.../phy_interface |
| Date: February 2014 |
| KernelVersion: 3.15 |
| Contact: netdev@vger.kernel.org |
| Description: |
| This attribute contains the PHY interface as configured by the |
| Ethernet driver during bus enumeration, encoded in string. |
| This interface mode is used to configure the Ethernet MAC with the |
| appropriate mode for its data lines to the PHY hardware. |
| |
| What: /sys/bus/mdio_bus/devices/.../phy_has_fixups |
| Date: February 2014 |
| KernelVersion: 3.15 |
| Contact: netdev@vger.kernel.org |
| Description: |
| This attribute contains the boolean value whether a given PHY |
| device has had any "fixup" workaround running on it, encoded as |
| a boolean. This information is provided to help troubleshooting |
| PHY configurations. |