FMC2_PCR_TCLR
pcr &= ~FMC2_PCR_TCLR;
pcr |= FIELD_PREP(FMC2_PCR_TCLR, FMC2_PCR_TCLR_DEFAULT);
FMC2_PCR_TCLR | FMC2_PCR_TAR,
FIELD_PREP(FMC2_PCR_TCLR, timings->tclr) |