def METHOD_NAME(self, addr):
    """
    Add device by its i2c address.
    Multiple devices may be added provided they all have their Y terminals
    connected (common Y configuration).
    1x adg2128 is represented by a 12 by 8 matrix
    2x adg2128 is represented by a 24 by 8 matrix
    ...
    Arguments:
    addr - device address on i2c bus
    """
    self._i2c_devs.append(addr)
    self._xmax += 12
    for x in range(self._xmax - 12, self._xmax):
        y = yline(self, x, [False for y in range(8)])
        self._xline.append(y)