[PATCH 02/22] dt-bindings: gpio: fsl-imx-gpio: Add gpio-ranges property

[Sascha Hauer]

On Sun, Aug 23, 2020 at 06:15:30PM +0200, Krzysztof Kozlowski wrote:
> The GPIO controller node can have gpio-ranges property.  This fixes
> dtbs_check warnings like:
> 
>   arch/arm64/boot/dts/freescale/imx8mm-evk.dt.yaml: gpio at 30200000: 'gpio-ranges' does not match any of the regexes: 'pinctrl-[0-9]+'
>     From schema: Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
> 
> Signed-off-by: Krzysztof Kozlowski <krzk at kernel.org>
> ---
>  .../devicetree/bindings/gpio/fsl-imx-gpio.yaml    | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
> index 454db20c2d1a..1fac69573bb9 100644
> --- a/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
> +++ b/Documentation/devicetree/bindings/gpio/fsl-imx-gpio.yaml
> @@ -51,6 +51,9 @@ properties:
>  
>    gpio-controller: true
>  
> +  gpio-ranges:
> +    maxItems: 1
> +
>  required:
>    - compatible
>    - reg
> @@ -62,6 +65,18 @@ required:
>  
>  additionalProperties: false
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: fsl,imx8mp-gpio
> +    then:
> +      properties:
> +        gpio-ranges:
> +          minItems: 1
> +          maxItems: 2

Why do you limit this to fsl,imx8mp-gpio? The i.MX5,6,7 dtsi files use
gpio-ranges as well and other i.MX dtsi files could also use it.

Sascha

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |