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.
