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

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Date:	Thu, 14 Jan 2016 14:20:48 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Laxman Dewangan <ldewangan@...dia.com>, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	linus.walleij@...aro.org, gnurou@...il.com, lee.jones@...aro.org,
	a.zummo@...ertech.it, alexandre.belloni@...e-electrons.com,
	lgirdwood@...il.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
	rtc-linux@...glegroups.com, swarren@...dia.com, treding@...dia.com
Subject: Re: [PATCH V2 5/6] rtc: max77xxx: add RTC driver for Maxim MAX77xxx
 series RTC IP

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.

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