CMD_IDLE
regmap_write(sfc->regmap_base, SFC_CMD, CMD_IDLE(sfc->cs_sel, 0));
regmap_write(sfc->regmap_base, SFC_CMD, CMD_IDLE(sfc->cs_sel, 0));
ret = regmap_write(sfc->regmap_base, SFC_CMD, CMD_IDLE(CS_NONE, idle_cycle));
return regmap_write(sfc->regmap_base, SFC_CMD, CMD_IDLE(sfc->cs_sel, cs2clk_cycle));
ret = regmap_write(sfc->regmap_base, SFC_CMD, CMD_IDLE(sfc->cs_sel, clk2cs_cycle));