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SubjectRe: [PATCH v2 2/2] dt-bindings: gpio: Add devicetree binding for IDT 79RC3243x GPIO controller
On Wed, Apr 21, 2021 at 12:17:27PM -0500, Rob Herring wrote:
> On Wed, Apr 21, 2021 at 06:20:26PM +0200, Thomas Bogendoerfer wrote:
> > Add YAML devicetree binding for IDT 79RC3243x GPIO controller
> >
> > Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> > ---
> > .../bindings/gpio/gpio-idt3243x.yaml | 73 +++++++++++++++++++
>
> Use compatible string for filename.

ok

> > 1 file changed, 73 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-idt3243x.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/gpio/gpio-idt3243x.yaml b/Documentation/devicetree/bindings/gpio/gpio-idt3243x.yaml
> > new file mode 100644
> > index 000000000000..346a57ef8298
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/gpio/gpio-idt3243x.yaml
> > @@ -0,0 +1,73 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/gpio/gpio-idt3243x.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: IDT 79RC32434x GPIO controller
> > +
> > +maintainers:
> > + - Thomas Bogendoerfer <tsbogend@alpha.franken.de>
> > +
> > +properties:
> > + compatible:
> > + const: idt,3243x-gpio
>
> What's the 'x'? Generally, we don't do wildcards for compatible strings.

there are 3 different SoCs 79rc32434, 79rc32435 and 79rc32438. So should
I add 3 compatible strings and use the first as filename ?

> > + ngpios:
> > + description:
> > + Number of available gpios in a bank.
>
> That's every 'ngpios'. Drop.

ok.

> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + gpio0: interrupt-controller@50000 {
>
> gpio@...
>
> As generally it's primarily a GPIO controller and secondarily an
> interrupt controller.

ok.

Thomas.

--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]

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