Device tree configuration for I2C eeprom

Grant Likely grant.likely at secretlab.ca
Wed Nov 5 03:29:09 EST 2008


On Tue, Nov 4, 2008 at 9:28 AM, Grant Likely <grant.likely at secretlab.ca> wrote:
> On Fri, Sep 19, 2008 at 12:12 AM, Sebastian Siewior
> <linuxppc-embedded at ml.breakpoint.cc> wrote:
>> * Grant Likely | 2008-09-18 22:04:41 [-0700]:
>>
>>>No, don't use the generic chip names.  Device tree convention is to be
>>>specific and prefix the part number with the vendor name.  ie. You should
>>>be using "at,at24c64", not "24c64".
>>
>> What about the i2c drivers which don't have any prefix like the m41t80?
>> Prior commit 0d1cde2 aka "powerpc/i2c: Convert i2c-mpc into an
>> of_platform driver" the ids were converted.
>
> That is the *driver* not the device tree description.  The OF i2c code
> is still converts the name.  By default it does this by simply
> stripping off the manufacturer prefix, but the match table does still
> exist when the default behavior needs to be overridden.

Oops, I already replied to this one.  Sorry for the duplicate response.

g.

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


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