In the current fsl-imx51 branch. The configuration already has CONFIG_RTC_MC13892=y. I disabled CONFIG_RTC_DRV_MXC_V2 and tested that change. The date is reset across simple reboots. I didn't bother testing pulling the power.
In the current fsl-imx51 branch. The configuration already has CONFIG_ RTC_MC13892= y. I disabled CONFIG_ RTC_DRV_ MXC_V2 and tested that change. The date is reset across simple reboots. I didn't bother testing pulling the power.