v3020_set_reg(chip, V3020_MINUTES, BIN2BCD(dt->tm_min));
v3020_set_reg(chip, V3020_HOURS, BIN2BCD(dt->tm_hour));
v3020_set_reg(chip, V3020_MONTH_DAY, BIN2BCD(dt->tm_mday));
v3020_set_reg(chip, V3020_MINUTES, BIN2BCD(dt->tm_min));
v3020_set_reg(chip, V3020_HOURS, BIN2BCD(dt->tm_hour));
v3020_set_reg(chip, V3020_MONTH_DAY, BIN2BCD(dt->tm_mday));