On Tue, Dec 03, 2024 at 12:00:23PM +0100, Uwe Kleine-König wrote: > For the AD7124 chip and some of its cousins 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> Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
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