@Estel - this i what I am using on my primary device (my second one handles lower voltages, but it is HW rev 2204, while primary is 2101)

# kernel configuration file generated by /usr/sbin/kernel-config
MINFREQ=500
MAXFREQ=900
FREQS="0:25,90 500:49,500 550:51,600 600:51,600 700:51,600 750:51,600 805:51,600 850:51,600 900:53,600 950:54,500 1000:60,500 1100:72,520 1150:72,520 "
SMARTREFLEX_VDD1=0
SMARTREFLEX_VDD2=0
GOVERNOR=ondemand
IGNORE_NICE_LOAD=0
UP_THRESHOLD=85
SAMPLING_RATE=150000
POWERSAVE_BIAS=0