TPDA_Pn_CR
val = readl_relaxed(drvdata->base + TPDA_Pn_CR(port));
writel_relaxed(val, drvdata->base + TPDA_Pn_CR(port));
val = readl_relaxed(drvdata->base + TPDA_Pn_CR(port));
writel_relaxed(val, drvdata->base + TPDA_Pn_CR(port));