summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMaxime Ripard <maxime.ripard@free-electrons.com>2013-01-08 22:43:12 +0100
committerLinus Walleij <linus.walleij@linaro.org>2013-01-18 16:16:28 +0100
commitf868ef995b32f0f08d7b6ce700bbe25de3ad65ac (patch)
treefe6395e990f058aafb5027ea34ea484420019b1f
parentb6ae7a26535bb37c6c023c6f25b7f98904a8ab7c (diff)
downloadlinux-f868ef995b32f0f08d7b6ce700bbe25de3ad65ac.tar.bz2
pinctrl: pinconf-generic: add drive strength parameter
Some pin configurations IP allows to set the current output to the pin. This patch adds such a parameter to the pinconf-generic mechanism. This parameter takes as argument the drive strength in mA. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--include/linux/pinctrl/pinconf-generic.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index b23d99da3b4b..40d7bb9c7562 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -46,6 +46,8 @@
* @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_DRIVE_STRENGTH: the pin will output the current passed as
+ * argument. The argument is in mA.
* @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,
@@ -76,6 +78,7 @@ enum pin_config_param {
PIN_CONFIG_DRIVE_PUSH_PULL,
PIN_CONFIG_DRIVE_OPEN_DRAIN,
PIN_CONFIG_DRIVE_OPEN_SOURCE,
+ PIN_CONFIG_DRIVE_STRENGTH,
PIN_CONFIG_INPUT_SCHMITT_DISABLE,
PIN_CONFIG_INPUT_SCHMITT,
PIN_CONFIG_INPUT_DEBOUNCE,