Re: [PATCH] gpio: pca953x: Add Maxim MAX7313 PWM support

[Andy Shevchenko]

On Mon, Oct 14, 2019 at 4:09 PM Miquel Raynal <miquel.raynal@xxxxxxxxxxx> wrote:
>
> The MAX7313 chip is fully compatible with the PCA9535 on its basic
> functions but can also manage the intensity on each of its ports with
> PWM. Each output is independent and may be tuned with 16 values (4
> bits per output). The period is always 32kHz, only the duty-cycle may
> be changed. One can use any output as GPIO or PWM.

Can we rather not contaminate driver with this?

Just register a separate PWM driver and export its functionality to
GPIO, or other way around (in the latter case we actually have PCA8685
which provides a GPIO fgunctionality).

-- 
With Best Regards,
Andy Shevchenko