[U-Boot] Accessing MC13783 RTC registers

[Marek Vasut]

> Hi,
> 
> Running U-boot from top of tree imx git I get the following when
> trying to access the MC13783 RTC registers via 'date' command:
> 
> MX31PDK U-Boot > date
> <reg num> = 22 is invalid. Should be less than 0
> ## Get date failed
> 

Fabio,

is it possibly connected via i2c?

Cheers