On 17/02/17 16:03, Fabrice Gasnier wrote: > Document Industrial I/O GPIO trigger support. > > Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx> Whilst I think this needs redoing for the interrupt trigger driver, please be aware that bindings must be OS agnostic i.e. you can't name things after linux specific subsystem. We get a lot of stick for the iio-hwmon bindings specifically for doing this! Which makes this 'interesting' to describe. Once we have it updated feedback from Rob and Mark will definitely be needed on this one. Jonathan > --- > .../bindings/iio/trigger/iio-trig-gpio.txt | 26 ++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/trigger/iio-trig-gpio.txt > > diff --git a/Documentation/devicetree/bindings/iio/trigger/iio-trig-gpio.txt b/Documentation/devicetree/bindings/iio/trigger/iio-trig-gpio.txt > new file mode 100644 > index 0000000..a8dbf5c > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/trigger/iio-trig-gpio.txt > @@ -0,0 +1,26 @@ > +Industrial I/O - GPIO based trigger > + > +GPIOs may be used as IIO trigger provider, when trigger is connected to > +GPIO lines. > + > +Required properties: > +- compatible: Should be "iio-gpio-trigger" > +- gpios: Should specify one GPIO line used as trigger source. > + See Documentation/devicetree/bindings/gpio/gpio.txt > +- #io-trigger-cells: Should be 0, as simple trigger provider. > + See Documentation/devicetree/bindings/iio/iio-bindings.txt > + > +Optional properties: > +- label: String to specifiy trigger name. > +- gpio-trigger-rising-edge: A rising edge on GPIO will trigger. > +- gpio-trigger-falling-edge: A falling edge on GPIO will trigger. > + Note: Both rising and falling edge may be used. In case none of > + rising or falling edge is selected, rising edge is selected by > + default. > + > +Example: > + gpiotrig0: iio-gpio-trigger0 { > + #io-trigger-cells = <0>; > + compatible = "iio-gpio-trigger"; > + gpios = <&gpioa 11 0>; > + } > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html