Some pins need to enable Schmitt triggers which are used in open loop configurations for noise immunity and closed loop configurations to implement function generators. david.wu (2): pinctrl: rockchip?Add input schmitt support pinctrl: rockchip: Add input schmitt support for rk3328 drivers/pinctrl/pinctrl-rockchip.c | 96 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) -- 1.9.1