REG_CON0
r = readl(pll->base_addr + REG_CON0) | pll->data->en_mask;
writel(r, pll->base_addr + REG_CON0);
r = readl(pll->base_addr + REG_CON0);
writel(r, pll->base_addr + REG_CON0);
r = readl(pll->base_addr + REG_CON0);
writel(r, pll->base_addr + REG_CON0);
r = readl(pll->base_addr + REG_CON0) & ~pll->data->en_mask;
writel(r, pll->base_addr + REG_CON0);
pll->en_addr = pll->base_addr + REG_CON0;