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Message-ID: <20170413081027.bmt447cwz7jlltwk@SMX-2>
Date: Thu, 13 Apr 2017 10:10:27 +0200
From: martin@...terwald.eu
To: Woojung.Huh@...rochip.com
Cc: davem@...emloft.net, andrew@...n.ch, steve.glendinning@...well.net,
UNGLinuxDriver@...rochip.com, netdev@...r.kernel.org,
linux-usb@...r.kernel.org
Subject: Re: [PATCH v3] smsc95xx: Add comments to the registers definition
On 12/04/17 22:10, Woojung.Huh@...rochip.com wrote:
> Sorry forgetting that you are referring RPi which uses LAN9514.
> Because these LEDs' GPIO can vary per chip (LAN9500, 9514..), it would be better
> not putting GPIO number. LAN9500 are GPIO 10/9/8 as described.
>
> > While we are here, could you indicate the meaning of the bit 2 of
> > HW_CFG register (it's named HW_CFG_PSEL_)? It's the only bit I didn't
> > succeed to comment because I didn't find it in the datasheet.
> > I will then add it to the patch!
> It indicates internal & external phy, PSEL means PHY Select.
> You can find at LAN9500 doc in http://ww1.microchip.com/downloads/en/DeviceDoc/00001875C.pdf.
>
> > I'm also wondering what the meaning of STRAP_STATUS is. I could also
> > comment it if you or Steve can provide the information.
> It is marked as reserved in above LAN9500 manual.
> You may guess from configuration straps in the manual and define names.
>
> Woojung
Thank you for your help Woojung!
Martin
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