RK3328_CLK_PLL_REFDIV_MASK
refdiv = (raw2 & RK3328_CLK_PLL_REFDIV_MASK) >> RK3328_CLK_PLL_REFDIV_SHIFT;
RK3328_CLK_PLL_REFDIV_MASK) << RK_CLK_PLL_MASK_SHIFT;