SSI_SST_DIVISOR_REG
omap_port->sst_base + SSI_SST_DIVISOR_REG);
*val = readl(omap_port->sst_base + SSI_SST_DIVISOR_REG);
writel(val, omap_port->sst_base + SSI_SST_DIVISOR_REG);
writel_relaxed(div, sst + SSI_SST_DIVISOR_REG);
readl(base + SSI_SST_DIVISOR_REG));