Message ID | 1357318849-12616-1-git-send-email-linus.walleij@stericsson.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 01/04/2013 10:00 AM, Linus Walleij wrote: > From: Linus Walleij <linus.walleij@linaro.org> > > This adds a definition of a generic output configuration > for a certain pin when using the generic pin configuration > library. Whereas driving pins low/high is usually a GPIO > business, you may want to set up pins into a default state > using hogs, and never touch them again. This helps out > with that scenario. Seems plausible:-) Although I wonder if this is moving towards DT content setting up HW rather than writing drivers for things. Probably not an issue so far though. Reviewed-by: Stephen Warren <swarren@nvidia.com>
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c index 833a364..bcf8157 100644 --- a/drivers/pinctrl/pinconf-generic.c +++ b/drivers/pinctrl/pinconf-generic.c @@ -46,6 +46,7 @@ struct pin_config_item conf_items[] = { PCONFDUMP(PIN_CONFIG_INPUT_DEBOUNCE, "input debounce", "time units"), PCONFDUMP(PIN_CONFIG_POWER_SOURCE, "pin power source", "selector"), PCONFDUMP(PIN_CONFIG_LOW_POWER_MODE, "pin low power", "mode"), + PCONFDUMP(PIN_CONFIG_OUTPUT, "pin output", "level"), }; void pinconf_generic_dump_pin(struct pinctrl_dev *pctldev, diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index 47a1bdd..b23d99d 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -62,6 +62,8 @@ * 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_OUTPUT: this will configure the pin in output, use argument + * 1 to indicate high level, argument 0 to indicate low level. * @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. @@ -79,6 +81,7 @@ enum pin_config_param { PIN_CONFIG_INPUT_DEBOUNCE, PIN_CONFIG_POWER_SOURCE, PIN_CONFIG_LOW_POWER_MODE, + PIN_CONFIG_OUTPUT, PIN_CONFIG_END = 0x7FFF, };