Allwinner H6 needs this driver to enable DVFS support. May also be used with H616/H618 SoC in the future. Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
Compile-tested: all targets Runtime-tested: - Cortex-A53: Pine64+ - Cortex-A7: Bananapro, Orange Pi 2 - Cortex-A8: pcDuino v2 Patches refreshed. Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>