FMC2_BCR1
.fmc2_enable_reg = FMC2_BCR1,
#define FMC2_BCR(x) ((x) * 0x8 + FMC2_BCR1)
ret = regmap_read(ebi->regmap, FMC2_BCR1, &bcr1);
ret = regmap_read(ebi->regmap, FMC2_BCR1, &bcr);
regmap_update_bits(nfc->regmap, FMC2_BCR1,