Messages in this thread Patch in this message |  | | From | Maxime Ripard <> | Subject | [PATCH 1/7] pinctrl: pinconf-generic: add drive strength parameter | Date | Tue, 8 Jan 2013 22:43:12 +0100 |
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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> --- include/linux/pinctrl/pinconf-generic.h | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index 47a1bdd..c533789 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, @@ -74,6 +76,7 @@ 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, -- 1.7.10.4
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