[Linux-stm32] [PATCH net-next 09/12] gpio: tc956x: add TC956x/QPS615 support

[Alex Elder]

On 5/2/26 9:48 PM, Andrew Lunn wrote:
>> It's possible gpio-regmap.c *could* be used.  We started with
>> vendor code and this code got separated at some point along
>> the way.  It was working, and I don't think I pursued other
>> options at that point.  I'll look at this possibility before we
>> send out the next version.
> 
> The GPIO subsystem has made a big effort to provide generic code,
> since GPIOs are pretty simple things with a lot in common. So if the
> generic code works, or can be made to work with minor changes, you
> should use it.

Yes, I can confirm this is what I will use.  As mentioned
elsewhere, LinusW provided a patch that support the one
unusual thing this does (input-only GPIO lines).

>> What do you mean instantiate it twice?
> 
> I _think_ you need one instance for the first 32 GPIOs, and a second
> one for the remaining GPIOs. But maybe config->reg_stride might allow
> it to work with a single instance?

Oh I see.  Looking at it now, I presume the reg_stride will work here.

Thanks.

					-Alex


>     Andrew