On 02/22/2018 02:54 PM, Linus Walleij wrote:
> 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.
>
I will check that point.
Regards,
Amelie
> Yours,
> Linus Walleij
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