From mboxrd@z Thu Jan  1 00:00:00 1970
From: narmstrong@baylibre.com (Neil Armstrong)
Date: Mon, 31 Oct 2016 15:23:29 +0100
Subject: [RFC PATCH 08/13] dwmac-meson8b: add support for phy selection
In-Reply-To: <20161021160807.GT16974@lunn.ch>
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 <20161021160807.GT16974@lunn.ch>
Message-ID: <e1634bd6-ae3a-b757-4947-7884807457b8@baylibre.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 10/21/2016 06:08 PM, Andrew Lunn wrote:
> Hi Neil
> 
>> Yes this would be a good idea if we were able to scan the internal
>> and external PHYs at the same time, but with our limited knowledge
>> the values we write in the register seems to switch a mux for the
>> whole RMII and MDIO signals to either interface.
> 
> Ah, O.K. So you need something like:
> 
> drivers/net/phy/mdio-mux-mmioreg.c
> 
> This seems to be limited to a single byte for the mux register, so you
> might need to make some extensions.
> 
>       Andrew
> 

Thanks for the hint, I will try to make use of this !

Neil