On Fri, Oct 24, 2014 at 08:26:43AM -0500, Nishanth Menon wrote: > On 10/23/2014 11:53 PM, Lokesh Vutla wrote: > > On some Soc's RTC is powered by an external power regulator. > SoC ? -> could you rephrase this to indicate "certain SoCs such as > DRA7, RTC is an independent voltage domain of it's own and on > platforms such as DRA7-evm, this may be supplied by individual > regulator on it's own. > > > e.g. RTC on DRA7 SoC. Make the OMAP RTC driver support a > > power regulator. > > Question ofcourse is what voltage would you like that regulator to be > at? As you are aware, certain LDOs and SMPS can drive varying voltage > and just enable/disable would do just the default voltage of the > SMPS/LDO, right? OR am i missing something here? just pass the correct voltage through DTS as we do for all other regulators ? It's only tricky when we have a range of acceptable voltages but for RTC, IIRC, it's always a set voltage (1.0V or 1.8V). -- balbi
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