On Thu, Jan 28, 2021 at 5:38 PM Alban Bedel <alban.be...@aerq.com> wrote: > > From a quick glance at various datasheet the PCAL6524 seems to be the > only chip in this familly that support setting the drive mode of
chips family > single pins. Other chips either don't support it at all, or can only > set the drive mode of whole banks, which doesn't map to the GPIO API. > > Add a new flag, PCAL6524, to mark chips that have the extra registers > needed for this feature. Then mark the needed register banks as > readable and writable, here we don't set OUT_CONF as writable, > although it is, as we only need to read it. Finally add a function > that configure the OUT_INDCONF register when the GPIO API set the configures sets > drive mode of the pins. Can we actually convert the driver to be a pin control for the starter? Or split it for some chips to be a pin control, while the rest keeps just being GPIO. I would like to avoid more complex changes in it until it's properly converted to the pin control. -- With Best Regards, Andy Shevchenko
