netdev - [PATCH net-next 3/3] net: sysfs: Document PHY device sysfs attributes

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Message-Id: <20170524193354.10739-4-f.fainelli@gmail.com>
Date:   Wed, 24 May 2017 12:33:54 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, andrew@...n.ch,
        Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH net-next 3/3] 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: Florian Fainelli <f.fainelli@...il.com>
---
 Documentation/ABI/testing/sysfs-class-net-phydev | 32 ++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-class-net-phydev

diff --git a/Documentation/ABI/testing/sysfs-class-net-phydev b/Documentation/ABI/testing/sysfs-class-net-phydev
new file mode 100644
index 000000000000..a05831667c3d
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-net-phydev
@@ -0,0 +1,32 @@
+What:		/sys/class/mdio_bus/<bus>/<device>/attached_dev
+Date:		May 2017
+KernelVersion:	4.13
+Contact:	netdev@...r.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@...r.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@...r.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@...r.kernel.org
+Description:
+		String value indicating the PHY interface, possible
+		values are in include/linux/phy.h function phy_modes.
+
-- 
2.9.3