Subject: Re: [PATCH v2 1/7] dt: Introduce the FMan 10 Gb/s MDIO binding

From: Emil Medve <[email-masked]>
Date: Sat, 26 Jul 2014 03:17:45 -0500

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
> 
> 
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