RK3399_CLK_PLL_DSMPD_MASK
dsmpd = (con4 & RK3399_CLK_PLL_DSMPD_MASK) >> RK3399_CLK_PLL_DSMPD_SHIFT;
reg |= RK3399_CLK_PLL_DSMPD_MASK << RK_CLK_PLL_MASK_SHIFT;