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SubjectRe: [PATCH v2] arc: dts: use 'atmel' as manufacturer for at24 in axs10x_mb
2018-02-06 13:25 GMT+01:00 Alexey Brodkin <>:
> Hi Bartosz,
> On Tue, 2018-02-06 at 12:08 +0100, Bartosz Golaszewski wrote:
>> Using compatible strings without the <manufacturer> part for at24 is
>> deprecated since commit 6da28acf745f ("dt-bindings: at24: consistently
>> document the compatible property"). Use a correct 'atmel,<model>'
>> value.
>> Signed-off-by: Bartosz Golaszewski <>
> So my further input might be a bit unexpected :)
> I took a look at the real board and understood that we specified in .dts
> wrong ICs. Those Atmel parts are not connected to the CPU at all (used by some
> external device) and instead I2C EEPROM we really have connected (but not yet
> obviously used in the Linux kernel) is NXP's PCF8594C-2.
> That said we may accept your change because it doesn't break anything
> and then I'll send an update to axs10x_mb.dts with replacement of EEPROM nodes.
> Or we may drop your change at all since I'm going to replace corresponding nodes.
> -Alexey

Looks like PCF8594C-2 is compatible with atmel,24c04 - when you'll be
submitting this patch, please extend the at24 DT bindings with a new
naming exception (just like the one for renesas).

Feel free to drop this patch if you plan to submit the fix soon -
otherwise, apply it if it may take some time.


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