Messages in this thread Patch in this message | | | From | Fabrice Gasnier <> | Subject | [PATCH 3/5] Documentation: dt: iio: document stm32 exti trigger | Date | Mon, 30 Jan 2017 14:57:41 +0100 |
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Add dt documentation for st,stm32-exti-trigger. EXTi gpio signal can be routed internally as trigger source for various IPs (e.g. for ADC or DAC conversions).
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> --- .../bindings/iio/trigger/st,stm32-exti-trigger.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/trigger/st,stm32-exti-trigger.txt
diff --git a/Documentation/devicetree/bindings/iio/trigger/st,stm32-exti-trigger.txt b/Documentation/devicetree/bindings/iio/trigger/st,stm32-exti-trigger.txt new file mode 100644 index 0000000..ebf2645 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/trigger/st,stm32-exti-trigger.txt @@ -0,0 +1,17 @@ +STMicroelectronics STM32 EXTI trigger bindings + +EXTi gpio signal can be routed internally as trigger source for various +IPs (e.g. for ADC or DAC conversions). + +Contents of a stm32 exti trigger root node: +------------------------------------------- +Required properties: +- compatible: Should be "st,stm32-exti-trigger" +- extiN-gpio: optional gpio line that may be used as external trigger source + (e.g. N may be 0..15. For example, exti11-gpio can trig ADC on stm32f4). + +Example: + triggers { + compatible = "st,stm32-exti-trigger"; + exti11-gpio=<&gpioa 11 0>; + }; -- 1.9.1
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