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Re: [PATCH V2 5/6] rtc: max77xxx: add RTC driver for Maxim MAX77xxx series RTC IP

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  Re: [PATCH V2 5/6] rtc: max77xxx: add RTC driver for Maxim MAX77xxx  series RTC IP Krzysztof Kozlowski <k.kozlowski@samsung.com> - 2016-01-18 05:30 +0100

#1311313 — Re: [PATCH V2 5/6] rtc: max77xxx: add RTC driver for Maxim MAX77xxx series RTC IP

On 14.01.2016 23:20, Mark Brown wrote:
> On Thu, Jan 14, 2016 at 10:20:56AM +0900, Krzysztof Kozlowski wrote:
> 
>> 2. It has different register address.
>>    We need a register-layout/configuration structure. The logic is the
>> same except few differences (e.g. presence of MAX77802_RTC_AE1).
> 
> Depending on what the differences are either just some variables in the
> driver data that get set on probe with the different registers (if it's
> just the register) or using regmap_field (if things get shifted as well,
> or if it happens to make more sense) should work.

Thanks for the hints!

The addresses for registers are indeed shifted. It is non-linear because
apart of different offset at beginning, a new field appears. Anyway it
would be good for me (or other person doing this work) to get more
knowledge of what regmap API provides.

Best regards,
Krzysztof

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