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Commit 86f22d04 authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
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net: sysfs: Document PHY device sysfs attributes 



Document the different sysfs attributes that exist for PHY devices:
attached_dev, phy_has_fixups, phy_id and phy_interface.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8f602198

Documentation/ABI/testing/sysfs-class-net-phydev

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+36 −0
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What:		/sys/class/mdio_bus/<bus>/<device>/attached_dev

Date:		May 2017

KernelVersion:	4.13

Contact:	netdev@vger.kernel.org

Description:

		Symbolic link to the network device this PHY device is

		attached to.



What:		/sys/class/mdio_bus/<bus>/<device>/phy_has_fixups

Date:		February 2014

KernelVersion:	3.15

Contact:	netdev@vger.kernel.org

Description:

		Boolean value indicating whether the PHY device has

		any fixups registered against it (phy_register_fixup)



What:		/sys/class/mdio_bus/<bus>/<device>/phy_id

Date:		November 2012

KernelVersion:	3.8

Contact:	netdev@vger.kernel.org

Description:

		32-bit hexadecimal value corresponding to the PHY device's OUI,

		model and revision number.



What:		/sys/class/mdio_bus/<bus>/<device>/phy_interface

Date:		February 2014

KernelVersion:	3.15

Contact:	netdev@vger.kernel.org

Description:

		String value indicating the PHY interface, possible

		values are:.

		<empty> (not available), mii, gmii, sgmii, tbi, rev-mii,

		rmii, rgmii, rgmii-id, rgmii-rxid, rgmii-txid, rtbi, smii

		xgmii, moca, qsgmii, trgmii, 1000base-x, 2500base-x, rxaui,

		unknown