Remove the legacy callbacks .enable(), .disable(), .set_polarity() and
.config().
Signed-off-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: NChen-Yu Tsai <wens@csie.org>
Acked-by: NMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: NThierry Reding <thierry.reding@gmail.com>