IICB0CTL0
writel(0, priv->base + IICB0CTL0);
writel(i2c_ctl0, priv->base + IICB0CTL0);
bit_clrl(priv->base + IICB0CTL0, IICB0SLWT);
bit_clrl(priv->base + IICB0CTL0, IICB0SLAC);
bit_setl(priv->base + IICB0CTL0, IICB0SLWT);
bit_setl(priv->base + IICB0CTL0, IICB0SLAC);
bit_clrl(priv->base + IICB0CTL0, IICB0IICE);