Re: [PATCH v5 1/2] pinctrl: Add driver for Awinic AW9523/B I2C GPIO Expander

["Andrey Jr. Melnikov" <temnota.am@xxxxxxxxx>]

In gmane.linux.kernel.gpio AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx> wrote:
> The Awinic AW9523(B) is a multi-function I2C gpio expander in a
> TQFN-24L package, featuring PWM (max 37mA per pin, or total max
> power 3.2Watts) for LED driving capability.

> It has two ports with 8 pins per port (for a total of 16 pins),
> configurable as either PWM with 1/256 stepping or GPIO input/output,
> 1.8V logic input; each GPIO can be configured as input or output
> independently from each other.

I can't see where PWM output registers is programmed. I'm rightly
understands - this driver for GPIO only?

> This IC also has an internal interrupt controller, which is capable
> of generating an interrupt for each GPIO, depending on the
> configuration, and will raise an interrupt on the INTN pin to
> advertise this to an external interrupt controller.