linux-kernel - Re: [PATCH 1/2] Added dts defintion for Lenovo ix4-300d nas

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Message-ID: <20140723222640.GA28485@lunn.ch>
Date:	Thu, 24 Jul 2014 00:26:40 +0200
From:	Andrew Lunn <andrew@...n.ch>
To:	Benoit Masson <benoitm@...enite.com>
Cc:	Andrew Lunn <andrew@...n.ch>, Jason Cooper <jason@...edaemon.net>,
	benoitm974 <yahoo@...enite.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...glemail.com>
Subject: Re: [PATCH 1/2] Added dts defintion for Lenovo ix4-300d nas

> Both phy are :
> marvell,88e1318

I don't have the datasheet for this specific phy model, but i do have
the datasheet for another similar phy.
 
> example of a minimal reg write that lead MPP24 to shutdown instead
> of rebooting on original BSP driver

> XXXXX BasicInit

I'm assuming regOffs is decimal, and data is hex?

> phyAdr 0: regOffs: 16 data: 3

Copper Specific control register. 3 means Polarity Reversal Disable &
Jabber function disable.

> phyAdr 0: regOffs: 10 data: 830

Reg 10 is the 1000BASE-T Status register, which is read only!

So this is not making much sense. Are we missing some changes to the
page register? Register 16 of page 3 is the LED control register.

     Andrew

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