> -	depends on ARCH_RZN1 || COMPILE_TEST
> +	depends on ARCH_RENESAS || COMPILE_TEST

Yes, this helps X5H also :)

> -	  If you say yes here you get support for the Renesas RZ/N1 RTC.
> +	  If you say yes here you get support for the RTC found on Renesas RZ/N1,
> +	  RZ/N2H, and RZ/T2H SoCs.

Such lists are easy to get stale IMHO. What about "initially found on
Renesas RZ/N1 SoCs."?