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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-02 15:08:32 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-02 15:08:32 -0800
commit97be852f81c5bb114aab31974af2c061eb86a6de (patch)
tree701a9c88eef7fc3692150f5dd7edb226a6089173 /Documentation/networking/phy.txt
parentcdb54fac35812a21943f0e506e8e3b94b469a77c (diff)
parentaae343d493df965ac3abec1bd97cccfe44a7d920 (diff)
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (118 commits) [netdrvr] skge: build fix [PATCH] NetXen: driver cleanup, removed unnecessary __iomem type casts [PATCH] PHY: Add support for configuring the PHY connection interface [PATCH] chelesio: transmit locking (plus bug fix). [PATCH] chelsio: statistics improvement [PATCH] chelsio: add MSI support [PATCH] chelsio: use standard CRC routines [PATCH] chelsio: cleanup pm3393 code [PATCH] chelsio: add 1G swcixw aupport [PATCH] chelsio: add support for other 10G boards [PATCH] chelsio: remove unused mutex [PATCH] chelsio: use kzalloc [PATCH] chelsio: whitespace fixes [PATCH] amd8111e use standard CRC lib [PATCH] sky2: msi enhancements. [PATCH] sky2: kfree_skb_any needed [PATCH] sky2: fixes for Yukon EC_U chip revisions [PATCH] sky2: add Dlink 560SX id [PATCH] sky2: receive error handling fix [PATCH] skge: don't clear MC state on link down ...
Diffstat (limited to 'Documentation/networking/phy.txt')
-rw-r--r--Documentation/networking/phy.txt13
1 files changed, 9 insertions, 4 deletions
diff --git a/Documentation/networking/phy.txt b/Documentation/networking/phy.txt
index 29ccae409031..0bc95eab1512 100644
--- a/Documentation/networking/phy.txt
+++ b/Documentation/networking/phy.txt
@@ -1,7 +1,7 @@
-------
PHY Abstraction Layer
-(Updated 2005-07-21)
+(Updated 2006-11-30)
Purpose
@@ -97,11 +97,12 @@ Letting the PHY Abstraction Layer do Everything
Next, you need to know the device name of the PHY connected to this device.
The name will look something like, "phy0:0", where the first number is the
- bus id, and the second is the PHY's address on that bus.
+ bus id, and the second is the PHY's address on that bus. Typically,
+ the bus is responsible for making its ID unique.
Now, to connect, just call this function:
- phydev = phy_connect(dev, phy_name, &adjust_link, flags);
+ phydev = phy_connect(dev, phy_name, &adjust_link, flags, interface);
phydev is a pointer to the phy_device structure which represents the PHY. If
phy_connect is successful, it will return the pointer. dev, here, is the
@@ -115,6 +116,10 @@ Letting the PHY Abstraction Layer do Everything
This is useful if the system has put hardware restrictions on
the PHY/controller, of which the PHY needs to be aware.
+ interface is a u32 which specifies the connection type used
+ between the controller and the PHY. Examples are GMII, MII,
+ RGMII, and SGMII. For a full list, see include/linux/phy.h
+
Now just make sure that phydev->supported and phydev->advertising have any
values pruned from them which don't make sense for your controller (a 10/100
controller may be connected to a gigabit capable PHY, so you would need to
@@ -191,7 +196,7 @@ Doing it all yourself
start, or disables then frees them for stop.
struct phy_device * phy_attach(struct net_device *dev, const char *phy_id,
- u32 flags);
+ u32 flags, phy_interface_t interface);
Attaches a network device to a particular PHY, binding the PHY to a generic
driver if none was found during bus initialization. Passes in