On 01/09/2022 16:54, Russell King (Oracle) wrote: > Add the DT binding for the Apple Mac System Management Controller GPIOs. > > Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx> > --- > .../devicetree/bindings/gpio/gpio-macsmc.yaml | 28 +++++++++++++++++++ > .../devicetree/bindings/mfd/apple,smc.yaml | 4 +++ > 2 files changed, 32 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/gpio-macsmc.yaml > > diff --git a/Documentation/devicetree/bindings/gpio/gpio-macsmc.yaml b/Documentation/devicetree/bindings/gpio/gpio-macsmc.yaml > new file mode 100644 > index 000000000000..ee620fe50ca8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/gpio/gpio-macsmc.yaml > @@ -0,0 +1,28 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/gpio/gpio-macsmc.yaml# filename based on the compatible... which is missing here, so this leads to the question - why this is separate device/child node? It won't bind to anything, won't be populated, right? > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Apple Mac System Management Controller GPIO > + > +maintainers: > + - Hector Martin <marcan@xxxxxxxxx> > + > +description: > + This describes the binding for the Apple Mac System Management Controller > + GPIO block. > + > +properties: > + gpio-controller: true > + '#gpio-cells': > + const: 2 > + > +additionalProperties: false > + > +examples: > + - | > + smc_gpio: gpio { > + gpio-controller; > + #gpio-cells = <2>; > + }; > diff --git a/Documentation/devicetree/bindings/mfd/apple,smc.yaml b/Documentation/devicetree/bindings/mfd/apple,smc.yaml > index 794d3a6eb04a..bb799a27638d 100644 > --- a/Documentation/devicetree/bindings/mfd/apple,smc.yaml > +++ b/Documentation/devicetree/bindings/mfd/apple,smc.yaml > @@ -34,6 +34,10 @@ title: Apple Mac System Management Controller > description: > A phandle to the mailbox channel > > +patternProperties: This is not a pattern, so "gpio" goes to "properties:". > + gpio: > + $ref: /schemas/gpio/gpio-macsmc.yaml > + > additionalProperties: false > > required: Best regards, Krzysztof
