On 17/02/17 16:16, Lars-Peter Clausen wrote:
On 02/17/2017 05:03 PM, Fabrice Gasnier wrote:Absolutely. The majority of the bindings will then just become standard
GPIOs can be used to generate triggers for any IIO device.
Introduce generic GPIO trigger driver. It offers some options
to tune polarity (e.g. rising/falling edge), and label so trigger
name may be customized.
By default, gpio triggers will be named gpiotrigX, where X is gpio
number as returned by desc_to_gpio() call.
Rising edge is selected if polarity isn't set.
If you want to use the GPIO only as an interrupt, just use it as an
interrupt directly, no need to go the route via the GPIO.
interrupt bindings and will be effectively handled for you.
Please work to extend the existing interrupt trigger driver rather than adding
this new one. That one actually started as a gpio trigger then got
generalised into a interrupt trigger later so lets not do that again ;)