Re: [PATCH v5 03/10] dt-bindings: gpio: ast2400-gpio: Add hogs parsing

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On Wed, Jan 15, 2025 at 09:45:50AM +0100, Krzysztof Kozlowski wrote:
> On Tue, Jan 14, 2025 at 04:01:37PM -0600, Ninad Palsule wrote:
> > Allow parsing GPIO controller children nodes with GPIO hogs.
> > 
> > Signed-off-by: Ninad Palsule <ninad@xxxxxxxxxxxxx>
> > ---
> >  .../devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml       | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml b/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
> > index b9afd07a9d24..b9bc4fe4d5a6 100644
> > --- a/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
> > +++ b/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
> > @@ -46,6 +46,12 @@ properties:
> >      minimum: 12
> >      maximum: 232
> >  
> > +patternProperties:
> > +  "^(hog-[0-9]+|.+-hog(-[0-9]+)?)$":
> 
> Choose one - suffix or prefix. More popular is suffix.

I was about to say that, but this matches what gpio-hog.yaml defines. 
Why we did both, I don't remember. We could probably eliminate 
'hog-[0-9]+' as that doesn't appear to be used much.

Long term, I want to make all gpio controllers reference a gpio 
controller schema and put the hog stuff there. Then we have the node 
names defined in 1 place.

Rob




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