netdev - Re: [v3,net-next] net: phy: Add Edge-rate driver for Microsemi PHYs.

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Message-ID: <20160928111215.GB22063@microsemi.com>
Date:   Wed, 28 Sep 2016 16:42:16 +0530
From:   Raju Lakkaraju <Raju.Lakkaraju@...rosemi.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     netdev <netdev@...r.kernel.org>
Subject: Re: [v3,net-next] net: phy: Add Edge-rate driver for Microsemi PHYs.

Hi Andrew,

Thank you for review and valuable comments.
I will implement below suggestion and resend for review.

Thanks,
Raju.

On Tue, Sep 27, 2016 at 11:14:36PM +0200, Andrew Lunn wrote:
> EXTERNAL EMAIL
> 
> 
> I just realised the possibly correct binding was starring me in the
> face.
> 
> --------------------------------------------------------------|
> |  3.3V         2.5V            1.8V            1.5V          |
> |-------------------------------------------------------------|
> |-2%            -3%             -5%             -6%           |
> |-------------------------------------------------------------|
> |-4%            -6%             -9%             -14%          |
> |-------------------------------------------------------------|
> |-7%            -10%            -16%            -21%          |
> |-------------------------------------------------------------|
> |-10%           -14%            -23%            -29%          |
> |-------------------------------------------------------------|
> |-17%           -23%            -35%            -42%          |
> |-------------------------------------------------------------|
> |-29%           -37%            -52%            -58%          |
> |-------------------------------------------------------------|
> |-53%           -63%            -76%            -77%          |
> |-------------------------------------------------------------|
> 
> So the binding is:
> 
> vsc8531,vddmac          : The vddmac in mV.
> vsc8531,edge-slowdown   : % the edge should be slowed down relative to
>                           the fastest possible edge time.
> 
> Given those two values, the driver can work out the magic value to put
> into the register that nobody knows the true meaning of.
> 

Accepted.

>      Andrew

---
Raju.