From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: netdev <netdev@vger.kernel.org>
Subject: Re: [v3,net-next] net: phy: Add Edge-rate driver for Microsemi PHYs.
Date: Wed, 28 Sep 2016 16:42:16 +0530 [thread overview]
Message-ID: <20160928111215.GB22063@microsemi.com> (raw)
In-Reply-To: <20160927211436.GA11602@lunn.ch>
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.
prev parent reply other threads:[~2016-09-28 11:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-27 21:14 [v3,net-next] net: phy: Add Edge-rate driver for Microsemi PHYs Andrew Lunn
2016-09-28 11:12 ` Raju Lakkaraju [this message]
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