linux-kernel - Re: [rtc-linux] [PATCH 5/6] rtc: max77620: add support for max77620/max20024 RTC driver

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Date:	Fri, 8 Jan 2016 13:36:48 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Laxman Dewangan <ldewangan@...dia.com>
Cc:	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	rtc-linux@...glegroups.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, swarren@...dia.com, treding@...dia.com,
	Chaitanya Bandi <bandik@...dia.com>
Subject: Re: [rtc-linux] [PATCH 5/6] rtc: max77620: add support for
 max77620/max20024 RTC driver

On Fri, Jan 08, 2016 at 06:34:29PM +0530, Laxman Dewangan wrote:

> If we get the parent device, regmap handle and interrupt number from mfd
> core independent of the PMIC (MAX77620 or MAX77686), then same driver can be
> used here.
> Two way which I can think of here:

Parent device is just dev->parent, you can use dev_get_regmap() to get a
regmap given a struct device and you can use platform resources to pass
the interrupts to the children from the MFD (there's some examples,
wm831x is one).

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