Re: [PATCH v2 1/4] dt-bindings: pinctrl: add a 'drive-strength-uA' property

From: Kevin Hilman
Date: Mon Apr 29 2019 - 15:19:59 EST


Rob,

Guillaume La Roque <glaroque@xxxxxxxxxxxx> writes:

> This property allow drive-strength parameter in uA instead of mA.
>
> Signed-off-by: Guillaume La Roque <glaroque@xxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> index cef2b5855d60..fc7018459aa2 100644
> --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> @@ -258,6 +258,7 @@ drive-push-pull - drive actively high and low
> drive-open-drain - drive with open drain
> drive-open-source - drive with open source
> drive-strength - sink or source at most X mA
> +drive-strength-uA - sink or source at most X uA
> input-enable - enable input on pin (no effect on output, such as
> enabling an input buffer)
> input-disable - disable input on pin (no effect on output, such as
> @@ -326,6 +327,8 @@ arguments are described below.
>
> - drive-strength takes as argument the target strength in mA.
>
> +- drive-strength-uA takes as argument the target strength in uA.
> +
> - input-debounce takes the debounce time in usec as argument
> or 0 to disable debouncing

Can we get your input on this?

Linus W. is OK with this[1], but wants opinion/approval from DT
maintainers first.

Thanks,

Kevin

[1] https://lore.kernel.org/lkml/CACRpkdZ2dPzrtJQkxmN7V=f6+qYZAvrF+b0J77cN9hoRAgFqrw@xxxxxxxxxxxxxx/T/#u