On Thu, Feb 8, 2018 at 3:27 PM, Amelie Delaunay <amelie.delaunay@xxxxxx> wrote:
> MFX is used as gpio expander on stm32746g-eval.
>
> Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx>
(...)
> + mfx: mfx@42 {
> + compatible = "st,mfx";
> + reg = <0x42>;
> + interrupts = <8 1>;
> + interrupt-parent = <&gpioi>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> +
> + mfxgpio: mfx_gpio {
> + compatible = "st,mfx-gpio";
> + interrupts = <0>;
> + interrupt-parent = <&mfx>;
> + gpio-controller;
> + #gpio-cells = <2>;
So I think this node should contain some pin config states
that can be referenced by the drivers to set up push/pull
etc. Probably it can use just standard pin config properties
like sx150x.
Yours,
Linus Walleij
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