BIT_TO_REG
val = readl(pc->base + BIT_TO_REG(bit));
BIT_TO_REG(bit), val, pin,
BIT_TO_REG(bit), val, pin,
writel(val, pc->base + BIT_TO_REG(bit));
val = readl(pc->base + BIT_TO_REG(bit));
val = readl(pc->base + BIT_TO_REG(bit));
writel(val, pc->base + BIT_TO_REG(bit));
val = readl(pc->base + BIT_TO_REG(bit));
BIT_TO_REG(bit), val, pin,