RK3066_PLLCON3_PWRDOWN
writel(HIWORD_UPDATE(0, RK3066_PLLCON3_PWRDOWN, 0),
writel(HIWORD_UPDATE(RK3066_PLLCON3_PWRDOWN,
RK3066_PLLCON3_PWRDOWN, 0),
return !(pllcon & RK3066_PLLCON3_PWRDOWN);