pinctrl: generic: add input schmitt disable parameter

In Marvell PXA/MMP silicons, input schmitt disable value is 0x40, not 0.
So append new config parameter -- input schmitt disable.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 4f0abb9f1c09..47a1bdd88878 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -46,11 +46,11 @@
  * @PIN_CONFIG_DRIVE_OPEN_SOURCE: the pin will be driven with open source
  *      (open emitter). Sending this config will enabale open drain mode, the
  *      argument is ignored.
+ * @PIN_CONFIG_INPUT_SCHMITT_DISABLE: disable schmitt-trigger mode on the pin.
  * @PIN_CONFIG_INPUT_SCHMITT: this will configure an input pin to run in
  *      schmitt-trigger mode. If the schmitt-trigger has adjustable hysteresis,
  *      the threshold value is given on a custom format as argument when
- *      setting pins to this mode. The argument zero turns the schmitt trigger
- *      off.
+ *      setting pins to this mode.
  * @PIN_CONFIG_INPUT_DEBOUNCE: this will configure the pin to debounce mode,
  *      which means it will wait for signals to settle when reading inputs. The
  *      argument gives the debounce time on a custom format. Setting the
@@ -74,6 +74,7 @@ enum pin_config_param {
         PIN_CONFIG_DRIVE_PUSH_PULL,
         PIN_CONFIG_DRIVE_OPEN_DRAIN,
         PIN_CONFIG_DRIVE_OPEN_SOURCE,
+        PIN_CONFIG_INPUT_SCHMITT_DISABLE,
         PIN_CONFIG_INPUT_SCHMITT,
         PIN_CONFIG_INPUT_DEBOUNCE,
         PIN_CONFIG_POWER_SOURCE,