Re: [RFC PATCH 1/4] dt-bindings: pincfg-node: Add "output-impedance" property

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On Thu, Sep 30, 2021 at 01:16:27PM +0100, Lad Prabhakar wrote:
> On RZ/G2L SoC for Group-B pins, output impedance can be configured.
> This patch documents "output-impedance" property in pincfg-node.yaml so
> that other platforms requiring such feature can make use of this property.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
> index 71ed0a9def84..cdcb23daeca2 100644
> --- a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
> @@ -114,6 +114,10 @@ properties:
>      description: enable output on a pin without actively driving it
>        (such as enabling an output buffer)
>  
> +  output-impedance:
> +    $ref: /schemas/types.yaml#/definitions/uint32

Use standard unit suffix and drop the type.

> +    description: set the pins output impedance at most X ohm
> +
>    output-low:
>      type: boolean
>      description: set the pin to output mode with low level
> -- 
> 2.17.1
> 
> 



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