From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933074AbaAaVvD (ORCPT ); Fri, 31 Jan 2014 16:51:03 -0500 Received: from quartz.orcorp.ca ([184.70.90.242]:60205 "EHLO quartz.orcorp.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932320AbaAaVvA (ORCPT ); Fri, 31 Jan 2014 16:51:00 -0500 From: Jason Gunthorpe To: Rob Herring Cc: Grant Likely , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/2] dt: Document a compatible entry for MDIO ethernet Phys Date: Fri, 31 Jan 2014 14:50:44 -0700 Message-Id: <1391205045-1751-1-git-send-email-jgunthorpe@obsidianresearch.com> X-Mailer: git-send-email 1.8.1.2 X-Broken-Reverse-DNS: no host name found for IP address 10.0.0.161 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This describes a compatible entry of the form: ethernet-phy-idAAAA,BBBB Which is modelled after the PCI structured compatible entry (pciVVVV,DDDD.SSSS.ssss.RR) If present the OF core will be able to use this information to directly create the correct phy without auto probing the bus. Signed-off-by: Jason Gunthorpe Acked-by: Rob Herring --- Documentation/devicetree/bindings/net/phy.txt | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) Cc: devicetree@vger.kernel.org diff --git a/Documentation/devicetree/bindings/net/phy.txt b/Documentation/devicetree/bindings/net/phy.txt index 7cd18fb..989122c 100644 --- a/Documentation/devicetree/bindings/net/phy.txt +++ b/Documentation/devicetree/bindings/net/phy.txt @@ -23,10 +23,18 @@ Optional Properties: assume clause 22. The compatible list may also contain other elements. + If the phy's identifier is known then the list may contain an entry + of the form: "ethernet-phy-idAAAA.BBBB" where + AAAA - The value of the 16 bit Phy Identifier 1 register as + 4 hex digits. This is the chip vendor OUI bits 3:18 + BBBB - The value of the 16 bit Phy Identifier 2 register as + 4 hex digits. This is the chip vendor OUI bits 19:24, + followed by 10 bits of a vendor specific ID. + Example: ethernet-phy@0 { - compatible = "ethernet-phy-ieee802.3-c22"; + compatible = "ethernet-phy-id0141.0e90", "ethernet-phy-ieee802.3-c22"; linux,phandle = <2452000>; interrupt-parent = <40000>; interrupts = <35 1>; -- 1.8.1.2