FMC2_PCR_PWID
pcr &= ~FMC2_PCR_PWID;
pcr_mask |= FMC2_PCR_PWID;
pcr |= FIELD_PREP(FMC2_PCR_PWID, FMC2_PCR_PWID_BUSWIDTH_16);
pcr = set ? FIELD_PREP(FMC2_PCR_PWID, FMC2_PCR_PWID_BUSWIDTH_16) :
FIELD_PREP(FMC2_PCR_PWID, FMC2_PCR_PWID_BUSWIDTH_8);
regmap_update_bits(nfc->regmap, FMC2_PCR, FMC2_PCR_PWID, pcr);