On Mon, Apr 16, 2018 at 8:19 PM, Rob Herring <robh@xxxxxxxxxx> wrote:
> On Wed, Apr 11, 2018 at 11:47:01AM +0200, Amelie Delaunay wrote:
>> This patch adds documentation of device tree bindings for the
>> STMicroelectronics Multi-Function eXpander (STMFX) GPIO expander.
>>
>> Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxx>
>> + stmfxpinctrl: stmfx@42 {
>> + compatible = "st,stmfx-0300";
>> + reg = <0x42>;
>> + interrupt-parent = <&gpioi>;
>> + interrupts = <8 IRQ_TYPE_EDGE_RISING>;
>> + vdd-supply = <&v3v3>;
>> + status = "okay";
>
> Don't show status in examples.
>
>> +
>> + stmfxgpio: gpio {
>
> Why does this need to be a sub node? Are there functions beyond GPIO?
Amelie can answer to whether there are, I suspect there
are and in the review of patch 2 I suggest a MFD parent
and parent/child spawning of a MFD child for the GPIO
and pin control device.
Yours,
Linus Walleij
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