diff options
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt | 22 | ||||
| -rw-r--r-- | drivers/pinctrl/pinconf-generic.c | 9 |
2 files changed, 26 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt index ef7cd572214c..2d730e3dd496 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt @@ -158,9 +158,29 @@ input-schmitt - run in schmitt-trigger mode with hysteresis X input-debounce - debounce mode with debound time X power-source - select power source X slew-rate - use slew-rate X -low-power-mode - low power mode +low-power-enable - enable low power mode +low-power-disable - disable low power mode output-low - set the pin to output mode with low level output-high - set the pin to output mode with high level +Arguments for parameters: + +- bias-pull-up, -down and -pin-default take as optional argument 0 to disable + the pull, on hardware supporting it the pull strength in Ohm. bias-disable + will also disable any active pull. + +- drive-strength takes as argument the target strength in mA. + +- input-schmitt takes as argument the adjustable hysteresis in a + driver-specific format + +- input-debounce takes the debounce time as argument or 0 to disable debouncing + +- power-source argument is the custom value describing the source to select + +- slew-rate takes as argument the target rate in a driver-specific format + +All parameters not listed here, do not take an argument. + More in-depth documentation on these parameters can be found in <include/linux/pinctrl/pinconfig-generic.h> diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c index d3c693c0c250..dcf03714de90 100644 --- a/drivers/pinctrl/pinconf-generic.c +++ b/drivers/pinctrl/pinconf-generic.c @@ -152,9 +152,9 @@ static struct pinconf_generic_dt_params dt_params[] = { { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, { "bias-high-impedance", PIN_CONFIG_BIAS_HIGH_IMPEDANCE, 0 }, { "bias-bus-hold", PIN_CONFIG_BIAS_BUS_HOLD, 0 }, - { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 0 }, - { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 0 }, - { "bias-pull-pin-default", PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, 0 }, + { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 }, + { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 }, + { "bias-pull-pin-default", PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, 1 }, { "drive-push-pull", PIN_CONFIG_DRIVE_PUSH_PULL, 0 }, { "drive-open-drain", PIN_CONFIG_DRIVE_OPEN_DRAIN, 0 }, { "drive-open-source", PIN_CONFIG_DRIVE_OPEN_SOURCE, 0 }, @@ -165,7 +165,8 @@ static struct pinconf_generic_dt_params dt_params[] = { { "input-debounce", PIN_CONFIG_INPUT_DEBOUNCE, 0 }, { "power-source", PIN_CONFIG_POWER_SOURCE, 0 }, { "slew-rate", PIN_CONFIG_SLEW_RATE, 0 }, - { "low-power-mode", PIN_CONFIG_LOW_POWER_MODE, 0 }, + { "low-power-enable", PIN_CONFIG_LOW_POWER_MODE, 1 }, + { "low-power-disable", PIN_CONFIG_LOW_POWER_MODE, 0 }, { "output-low", PIN_CONFIG_OUTPUT, 0, }, { "output-high", PIN_CONFIG_OUTPUT, 1, }, }; |