PRCI_COREPLLCFG0_DIVF_SHIFT
r |= c->divf << PRCI_COREPLLCFG0_DIVF_SHIFT;
v >>= PRCI_COREPLLCFG0_DIVF_SHIFT;
#define PRCI_COREPLLCFG0_DIVF_MASK (0x1ff << PRCI_COREPLLCFG0_DIVF_SHIFT)