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Commit f868ef99 authored by Maxime Ripard's avatar Maxime Ripard Committed by Linus Walleij
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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: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent b6ae7a26

include/linux/pinctrl/pinconf-generic.h

+3 −0
Original line number Diff line number Diff line
@@ -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,