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

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Hi Prabhakar,

On Thu, Sep 30, 2021 at 2:17 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> 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>

Thanks for your patch!

> --- 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:

output-impedance-ohms (ugh, the standard suffix is plural)

Yes, I know only one other property has a standard unit suffix from
dt-schema/schemas/property-units.yaml. Should we add properties
including standard unit suffixes, and deprecate the old ones?

> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: set the pins output impedance at most X ohm
> +
>    output-low:
>      type: boolean
>      description: set the pin to output mode with low level

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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