DW_IC_CON
regmap_write(dev->map, DW_IC_CON, dev->master_cfg);
regmap_write(dev->map, DW_IC_CON, dev->slave_cfg);
ret = regmap_read(dev->map, DW_IC_CON, &ic_con);
regmap_update_bits(dev->map, DW_IC_CON, DW_IC_CON_10BITADDR_MASTER,