sxiccmu_a10_get_frequency
sc->sc_get_frequency = sxiccmu_a10_get_frequency;
uint32_t sxiccmu_a10_get_frequency(struct sxiccmu_softc *, uint32_t);
return sxiccmu_a10_get_frequency(sc, A10_CLK_PLL_PERIPH_BASE) * 2;