UPSTREAM: pinctrl: rockchip: Add input schmitt support
To prevent external signal crosstalk, some pins need to
enable input schmitt, like i2c pins, 32k-input pin and so on.
Change-Id: I2465e9df8abab3d8f46924e76a9084cda76a5a85
Signed-off-by: David Wu <david.wu@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
(cherry picked from commit
e3b357d7dfe6b38a6064562bacf5c912b3443ac0)
Signed-off-by: David Wu <david.wu@rock-chips.com>
Change-Id: I2465e9df8abab3d8f46924e76a9084cda76a5a85