FGSTCTRL
regmap_reg_range(FGSTCTRL, VTCFG2),
regmap_write_bits(fg->reg, FGSTCTRL, SHDEN, SHDEN);
regmap_write_bits(fg->reg, FGSTCTRL, FGSYNCMODE_MASK, FGSYNCMODE(mode));
regmap_reg_range(FGSTCTRL, VTCFG2),