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* Add support for the Micro Crystal RV4162. This variant holds thepatrick2020-10-231-3/+5
| | | | | | | | square wave frequency control bits in the Day Of Week register. To make sure we don't fudge with those bits, only reset those that hold the day and keep the rest as is. ok kettenis@
* Move mfokclock(4) from loongson to sys/dev/i2c so that it be used by morepatrick2020-09-301-0/+153
platforms than just loongson. Rename it to mfokrtc(4) for consistency with other RTC drivers. Make it match on st,m41t83, since that was the chip for which the driver was written for. More compatible strings can be added for each chip of the series verified to behave the same. Discussed with kettenis@ Compile tested on loongson by kn@ Tested on loongson by and ok visa@