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2f9478c1eb
Adding RTC driver support for Nvidia based Voltage Regulator Power Sequencer. Driver depends on CONFIG_MFD_NVVRS_PSEQ to get enabled which is a parent driver for RTC. Following are the VRS RTC functionalies: 1. RTC executes alarm function to wake system from suspend/shutdown state. 2. RTC has 32bit time counter register which increments each second. 3. RTC triggers interrupt when the set alarm time becomes equal to the time read from TIME registers. Bug 200669555 Change-Id: I7890c084e5a1ec075823fee3ae5171fe7a89c6e0 Signed-off-by: Shubhi Garg <shgarg@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2748752 Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com> GVS: Gerrit_Virtual_Submit