diff options
Diffstat (limited to 'include/linux/pinctrl/pinconf-generic.h')
| -rw-r--r-- | include/linux/pinctrl/pinconf-generic.h | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index 6aeb711f7cd1..2422211d6a5a 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -76,32 +76,35 @@ struct pinctrl_map; * @PIN_CONFIG_INPUT_SCHMITT_ENABLE: control schmitt-trigger mode on the pin. * If the argument != 0, schmitt-trigger mode is enabled. If it's 0, * schmitt-trigger mode is disabled. - * @PIN_CONFIG_LOW_POWER_MODE: this will configure the pin for low power + * @PIN_CONFIG_MODE_LOW_POWER: this will configure the pin for low power * operation, if several modes of operation are supported these can be * passed in the argument on a custom form, else just use argument 1 * to indicate low power mode, argument 0 turns low power mode off. + * @PIN_CONFIG_MODE_PWM: this will configure the pin for PWM + * @PIN_CONFIG_OUTPUT: this will configure the pin as an output and drive a + * value on the line. Use argument 1 to indicate high level, argument 0 to + * indicate low level. (Please see Documentation/driver-api/pin-control.rst, + * section "GPIO mode pitfalls" for a discussion around this parameter.) * @PIN_CONFIG_OUTPUT_ENABLE: this will enable the pin's output mode * without driving a value there. For most platforms this reduces to * enable the output buffers and then let the pin controller current * configuration (eg. the currently selected mux function) drive values on * the line. Use argument 1 to enable output mode, argument 0 to disable * it. - * @PIN_CONFIG_OUTPUT: this will configure the pin as an output and drive a - * value on the line. Use argument 1 to indicate high level, argument 0 to - * indicate low level. (Please see Documentation/driver-api/pinctl.rst, - * section "GPIO mode pitfalls" for a discussion around this parameter.) + * @PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS: this will configure the output impedance + * of the pin with the value passed as argument. The argument is in ohms. + * @PIN_CONFIG_PERSIST_STATE: retain pin state across sleep or controller reset * @PIN_CONFIG_POWER_SOURCE: if the pin can select between different power * supplies, the argument to this parameter (on a custom format) tells * the driver which alternative power source to use. - * @PIN_CONFIG_SLEEP_HARDWARE_STATE: indicate this is sleep related state. - * @PIN_CONFIG_SLEW_RATE: if the pin can select slew rate, the argument to - * this parameter (on a custom format) tells the driver which alternative - * slew rate to use. * @PIN_CONFIG_SKEW_DELAY: if the pin has programmable skew rate (on inputs) * or latch delay (on outputs) this parameter (in a custom format) * specifies the clock skew or latch delay. It typically controls how * many double inverters are put in front of the line. - * @PIN_CONFIG_PERSIST_STATE: retain pin state across sleep or controller reset + * @PIN_CONFIG_SLEEP_HARDWARE_STATE: indicate this is sleep related state. + * @PIN_CONFIG_SLEW_RATE: if the pin can select slew rate, the argument to + * this parameter (on a custom format) tells the driver which alternative + * slew rate to use. * @PIN_CONFIG_END: this is the last enumerator for pin configurations, if * you need to pass in custom configurations to the pin controller, use * PIN_CONFIG_END+1 as the base offset. @@ -124,14 +127,16 @@ enum pin_config_param { PIN_CONFIG_INPUT_ENABLE, PIN_CONFIG_INPUT_SCHMITT, PIN_CONFIG_INPUT_SCHMITT_ENABLE, - PIN_CONFIG_LOW_POWER_MODE, - PIN_CONFIG_OUTPUT_ENABLE, + PIN_CONFIG_MODE_LOW_POWER, + PIN_CONFIG_MODE_PWM, PIN_CONFIG_OUTPUT, + PIN_CONFIG_OUTPUT_ENABLE, + PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS, + PIN_CONFIG_PERSIST_STATE, PIN_CONFIG_POWER_SOURCE, + PIN_CONFIG_SKEW_DELAY, PIN_CONFIG_SLEEP_HARDWARE_STATE, PIN_CONFIG_SLEW_RATE, - PIN_CONFIG_SKEW_DELAY, - PIN_CONFIG_PERSIST_STATE, PIN_CONFIG_END = 0x7F, PIN_CONFIG_MAX = 0xFF, }; |