Re: [PATCH v1 2/3] Documentation: firmware-guide: gpio-properties: active_low only for GpioIo()

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Thu, Oct 29, 2020 at 4:55 PM Ricardo Ribalda <ribalda@xxxxxxxxxx> wrote:
> On Thu, Oct 29, 2020 at 3:45 PM Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> > On Wed, Oct 28, 2020 at 10:10:42PM +0100, Ricardo Ribalda wrote:

...

> > ActiveLevel field is described in 19.6.55 GpioInt (GPIO Interrupt Connection
> > Resource Descriptor Macro).
> >
> > > Without using the active_low, how can we describe  a pin that is
> > > active low and has to trigger an irq on both edges?
> >
> > This is nonsense.
> > What does it mean?
>
> Let me try to explain myself again:
>
> I have a gpio pin that produces IRQs on both edges. so ActiveLevel is Both
>
> The problem is that the value of that pin is inverted: Low means 1 and
> high means 0.
>
> How can I describe that the pin "is inverted" without using the _DSD field?

"Both edges" and "inverted" or "polarity low" in one sentence make no sense.

-- 
With Best Regards,
Andy Shevchenko