[PATCH 2/7] dt-bindings: gpio: add binding for the GPIO block for Apple Mac SMC

[Mark Kettenis]

> From: "Russell King (Oracle)" <rmk+kernel at armlinux.org.uk>
> Date: Tue, 06 Sep 2022 14:19:34 +0100
> 
> Add the DT binding for the Apple Mac System Management Controller GPIOs.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>

Reviewed-by: Mark Kettenis <kettenis at openbsd.org>

> ---
>  .../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
> +---
> +$id: http://devicetree.org/schemas/gpio/gpio-macsmc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Apple Mac System Management Controller GPIO
> +
> +maintainers:
> +  - Hector Martin <marcan at marcan.st>
> +
> +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 168f237c2962..47e3cd58bf19 100644
> --- a/Documentation/devicetree/bindings/mfd/apple,smc.yaml
> +++ b/Documentation/devicetree/bindings/mfd/apple,smc.yaml
> @@ -37,6 +37,10 @@ title: Apple Mac System Management Controller
>      description:
>        A phandle to the mailbox channel
>  
> +patternProperties:
> +  gpio:
> +    $ref: /schemas/gpio/gpio-macsmc.yaml
> +
>  additionalProperties: false
>  
>  required:
> -- 
> 2.30.2
> 
> 
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