FAPLL_PWD_OFFSET
u32 v = readl_relaxed(synth->fd->base + FAPLL_PWD_OFFSET);
writel_relaxed(v, synth->fd->base + FAPLL_PWD_OFFSET);
u32 v = readl_relaxed(synth->fd->base + FAPLL_PWD_OFFSET);
writel_relaxed(v, synth->fd->base + FAPLL_PWD_OFFSET);
u32 v = readl_relaxed(synth->fd->base + FAPLL_PWD_OFFSET);