On Wed, Jun 21, 2017 at 04:30:12PM +0200, Fabrice Gasnier wrote: > Add documentation for STMicroelectronics STM32 Low-Power Timer Trigger > binding. > > Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx> > --- > Changes in v2: > - s/Low Power/Low-Power > - remove leading 0x in example (parent node) > - improve reg property description > --- > .../bindings/iio/timer/stm32-lptimer-trigger.txt | 23 ++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt > > diff --git a/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt > new file mode 100644 > index 0000000..466d99f > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/timer/stm32-lptimer-trigger.txt > @@ -0,0 +1,23 @@ > +STMicroelectronics STM32 Low-Power Timer Trigger > + > +STM32 Low-Power Timer provides trigger source (LPTIM output) that can be used > +by STM32 internal ADC and/or DAC. > + > +Must be a sub-node of an STM32 Low-Power Timer device tree node. > +See ../mfd/stm32-lptimer.txt for details about the parent node. > + > +Required properties: > +- compatible: Must be "st,stm32-lptimer-trigger". > +- reg: Selects trigger hardware block. Must be 0, 1 or 2 > + respectively for lptimer1, lptimer2 or lptimer3 > + trigger output. I guess this answers my question. However, this seems like abuse of the reg prop. This should not be how you select a trigger. The DT should describe all the h/w blocks and then the adc connection is a separate property. Rob -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html