Re: [PATCH v3 03/10] dt-bindings: iio: adc: adi,ad7124: Allow specifications of a gpio for irq line

[Rob Herring <robh@kernel.org>]

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@baylibre.com>
> ---
>  Documentation/devicetree/bindings/iio/adc/adi,ad7124.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)

Comment and R-by on v2 still apply.

Rob