EMC_SEL_DPD_CTRL
val = readl(emc->regs + EMC_SEL_DPD_CTRL);
writel(val, emc->regs + EMC_SEL_DPD_CTRL);
writel(timing->emc_sel_dpd_ctrl, emc->regs + EMC_SEL_DPD_CTRL);
emc_writel(emc, next->emc_sel_dpd_ctrl, EMC_SEL_DPD_CTRL);
emc_writel(emc, emc_sel_dpd_ctrl, EMC_SEL_DPD_CTRL);
emc_writel(emc, emc_sel_dpd_ctrl, EMC_SEL_DPD_CTRL);
val = readl_relaxed(emc->regs + EMC_SEL_DPD_CTRL);