BM1880_REG_MUX
writel_relaxed(regval, pctrl->base + BM1880_REG_MUX + offset);
regval = readl_relaxed(pctrl->base + BM1880_REG_MUX + offset);
regval = readl_relaxed(pctrl->base + BM1880_REG_MUX + offset);
writel_relaxed(regval, pctrl->base + BM1880_REG_MUX + offset);
u32 regval = readl_relaxed(pctrl->base + BM1880_REG_MUX +