Re: [PATCH 3/3] doc: iio: pressure: ms5611: added max SPI frequency setting to the example

From: Mitja Špes
Date: Thu Oct 20 2022 - 01:32:00 EST


On Wed, Oct 19, 2022 at 3:23 PM Andy Shevchenko
<andy.shevchenko@xxxxxxxxx> wrote:
>
> On Wed, Oct 19, 2022 at 3:55 PM Mitja Spes <mitja@xxxxxxxxx> wrote:
> >
> > Added max SPI frequency setting to the example. It is now honored by the
> > driver.
>
> Is it possible to add a constraint here? So the schema validator will
> issue the warning / error if the speed is too high.

The constraint is already there:
https://github.com/torvalds/linux/blob/master/Documentation/devicetree/bindings/iio/pressure/meas%2Cms5611.yaml
```
spi-max-frequency:
maximum: 20000000
```

But in any case the patch 2/3 limits the max frequency.

Kind regards,
Mitja Spes