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

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On Friday 08 January 2016 07:06 PM, Mark Brown wrote:
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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).



I think it should work with named regmap. mfd whould init regmap with name and rtc driver should ask with same name.

I saw three drivers which looks same:
rtc-max77620.c (new from me) and already available rtc-max77686.c, rtc-max77802.c

Seems I can develop IP based rtc driver as rtc-max77xxx.c


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