Document interrupt trigger that takes a generic interrupt, and can be used as trigger source for sampling devices such as sensors, ADCs...
Signed-off-by: Fabrice Gasnier <[email protected]> --- .../bindings/iio/trigger/iio-trig-interrupt.txt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/trigger/iio-trig-interrupt.txt diff --git a/Documentation/devicetree/bindings/iio/trigger/iio-trig-interrupt.txt b/Documentation/devicetree/bindings/iio/trigger/iio-trig-interrupt.txt new file mode 100644 index 0000000..9de9856 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/trigger/iio-trig-interrupt.txt @@ -0,0 +1,22 @@ +Interrupt based trigger + +Any internal or external interrupt may be used as trigger source for +devices like sensors, ADCs... As an example, external signal can be +routed to a GPIO, and turned into an interrupt driven trigger. + +Required properties: +- compatible: Should be "interrupt-trigger" +- interrupts: The interrupt used as trigger. Generic interrupt client node as + described in ../../interrupt-controller/interrupts.txt + +Optional properties: +- #io-trigger-cells = <0>; See the IIO bindings, IIO trigger providers + and consumers sections in ../iio-bindings.txt + +Example: + trig0: interrupt-trigger0 { + #io-trigger-cells = <0>; + compatible = "interrupt-trigger"; + interrupts = <11 0>; + interrupt-parent = <&gpioa>; + } -- 1.9.1
