Re: [PATCH v2] rtc: ds1307: add trickle charger device tree binding

[Mark Rutland <mark.rutland@arm.com>]

Hi Mati,

Looks like my last reply [1] raced with this posting.

[...]

> +Optional properties:
> +- trickle : Used Trickle Charger configuration,
> +	corresponding to 4 lowest bits in trickle charger register.
> +	Following values are specified:
> +		0x5 => No diode, 250 ohm
> +		0x9 => Diode, 250 ohm
> +		0x6 => No diode, 2k ohm
> +		0xa => Diode, 2k ohm
> +		0x7 => No diode, 4k ohm
> +		0xb => Diode, 4k ohm

Optional?

For an optional property, please describe when said property should be
present, and what the absence implies.

Usually something like "should be present if $foo is not implemented in
$such_way", so it's obvious what the behaviour should be either way.

I still think this should be two proeprties and that the driver should
handle that as appropriate, as I mentioned in my last reply [1].

Mark.

[1] http://lkml.kernel.org/r/20140829104001.GB19424@leverpostej