From 6bd47ac2e434611e52027155438d7b4ad3c76bdb Mon Sep 17 00:00:00 2001 From: David Daney Date: Wed, 27 Jun 2012 07:33:36 +0000 Subject: netdev/phy/of: Handle IEEE802.3 clause 45 Ethernet PHYs in of_mdiobus_register() Define two new "compatible" values for Ethernet PHYs. "ethernet-phy-ieee802.3-c22" and "ethernet-phy-ieee802.3-c45" are used to indicate a PHY uses the corresponding protocol. If a PHY is "compatible" with "ethernet-phy-ieee802.3-c45", we indicate this so that get_phy_device() can properly probe the device. If get_phy_device() fails, it was probably due to failing the probe of the PHY identifier registers. Since we have the device tree telling us the PHY exists, go ahead and add it anyhow with a phy_id of zero. There may be a driver match based on the "compatible" property. Signed-off-by: David Daney Signed-off-by: David S. Miller --- Documentation/devicetree/bindings/net/phy.txt | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'Documentation/devicetree/bindings/net/phy.txt') diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt index bb8c742eb8c..7cd18fbfcf7 100644 --- a/Documentation/devicetree/bindings/net/phy.txt +++ b/Documentation/devicetree/bindings/net/phy.txt @@ -14,10 +14,20 @@ Required properties: - linux,phandle : phandle for this node; likely referenced by an ethernet controller node. +Optional Properties: + +- compatible: Compatible list, may contain + "ethernet-phy-ieee802.3-c22" or "ethernet-phy-ieee802.3-c45" for + PHYs that implement IEEE802.3 clause 22 or IEEE802.3 clause 45 + specifications. If neither of these are specified, the default is to + assume clause 22. The compatible list may also contain other + elements. + Example: ethernet-phy@0 { - linux,phandle = <2452000> + compatible = "ethernet-phy-ieee802.3-c22"; + linux,phandle = <2452000>; interrupt-parent = <40000>; interrupts = <35 1>; reg = <0>; -- cgit v1.2.3