[RFC] misc/at24: add experimental OF support for the generic eeprom driver

Grant Likely grant.likely at secretlab.ca
Fri Oct 9 16:40:47 EST 2009

On Thu, Oct 8, 2009 at 11:14 PM, Wolfram Sang <w.sang at pengutronix.de> wrote:
>> Will check this tomorrow.
> And while doing this and figuring the pro/cons of those methods, I stumbled over this commit:
>        gpio: pca953x: Get platform_data from OpenFirmware
>        (1965d30356c1c65660ba3330927671cfe81acdd5)
> It looks to me that it missed all people involved in OF/DT-development and now we
> have undocumented and IMO questionable properties in the kernel.

Hi Nate,

For your future reference, patches that look at the device tree should
also cc: devicetree-discuss at lists.ozlabs.org so that new bindings can
be reviewed and common mistakes can be avoided.  It is expected that
new device tree bindings are accompanied with documentation describing
what the binding is for and how it should be used (see

I know this change is already in mainline, but can you please post the
device tree fragment that you're using to describe this chip?  I want
to make sure we don't get stuck with things in the kernel that will be
hard to maintain in the long term.


Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.

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