On Fri, Nov 22, 2024 at 12:33:22PM +0100, Uwe Kleine-König wrote: > For the AD7124 chip the logical irq line (̅R̅D̅Y) is physically on the same > pin as the spi MISO output (DOUT) and so reading a register might > trigger an interrupt. For correct operation it's critical that the > actual state of the pin can be read to judge if an interrupt event is a > real one or just a spurious one triggered by toggling the line in its > MISO mode. > > Allow specification of an "rdy-gpios" property that references a GPIO > that can be used for that purpose. While this is typically the same GPIO > also used (implicitly) as interrupt source, it is still supposed that > the interrupt is specified as before and usual. > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml | 8 ++++++++ > 1 file changed, 8 insertions(+) Comment and R-by on v2 still apply. Rob
