> > bootcount itself is not a device. It is a feature of certain devices. And that
> > needs to be implemented; possibly generic enough that it can work for register
> > based, i2c based, and so forth, accesses.
> 
> If "boot counter" is not a good name for such a device, then what name
> would you suggest?

None.

> Or do you think a counter (which can be implemented in a number of
> different ways, depending on hardware specifics) is not a device?

Yes.

> What would be such a device, then?

"maxim,ds1338"

Please have a look at the devicetree.org-wiki-page I just mentioned:

http://devicetree.org/Device_Tree_Usage

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