From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from na01-by2-obe.outbound.protection.outlook.com (mail-by2lp0241.outbound.protection.outlook.com [207.46.163.241]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id A8E961A0628 for ; Sat, 26 Jul 2014 18:26:13 +1000 (EST) Message-ID: <53D36429.4020106@Freescale.com> Date: Sat, 26 Jul 2014 03:17:45 -0500 From: Emil Medve MIME-Version: 1.0 To: Scott Wood , Xie Shaohui-B21989 Subject: Re: [PATCH v2 1/7] dt: Introduce the FMan 10 Gb/s MDIO binding References: <1405541831-1277-1-git-send-email-Shruti@Freescale.com> <1406318092.29414.116.camel@snotra.buserror.net> In-Reply-To: <1406318092.29414.116.camel@snotra.buserror.net> Content-Type: text/plain; charset="UTF-8" Cc: Kanetkar Shruti-B44454 , "linuxppc-dev@lists.ozlabs.org" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hello Scott, On 07/25/2014 02:54 PM, Scott Wood wrote: > On Thu, 2014-07-24 at 22:11 -0500, Xie Shaohui-B21989 wrote: >> Hello, Scott, Shruti, >> >> There are two types MDIO controllers, each MAC has a corresponding MDIO >> controller to access internal PHYs inside Serdes, another is dedicated >> MDIO controller to access external PHYs (PHYs on board or riser card, >> etc). Current MDIO driver does not distinguish the two controllers, if >> we need to distinguish the controllers, what could be the proper way? >> Perhaps a new property is needed in dts? > > Are these different programming models, or just two instances of the > same type of device, with different things attached? The controllers are very similar; the FMan v3 MDIO controller is a newer revision of the FMan v2 10 Gb/s MDIO controller Cheers, > -Scott > > > _______________________________________________ > Linuxppc-dev mailing list > Linuxppc-dev@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/linuxppc-dev