Re: [PATCH v2 07/14] dt-bindings: pincfg-node: Add input-voltage-microvolt property

[Krzysztof Kozlowski <krzk@kernel.org>]

On Fri, Mar 06, 2026 at 03:52:37PM +0800, Yu-Chun Lin wrote:
> From: Tzuyi Chang <tychang@realtek.com>
> 
> Add a generic pin configuration property "input-voltage-microvolt" to
> specify the input voltage level of a pin in microvolts.

Why?

> 
> Signed-off-by: Tzuyi Chang <tychang@realtek.com>
> Co-developed-by: Yu-Chun Lin <eleanor.lin@realtek.com>
> Signed-off-by: Yu-Chun Lin <eleanor.lin@realtek.com>
> ---
>  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 a916d0fc79a9..da182c8a1d00 100644
> --- a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
> @@ -162,6 +162,10 @@ properties:
>        this affects the expected delay in ps before latching a value to
>        an output pin.
>  
> +  input-voltage-microvolt:
> +    description: Specifies the input voltage level of the pin in microvolts.
> +      This defines the reference for VIH/VIL.

What is VIH/VIL? Why generic binding would define the voltage of pins
for pin control?

This patch misses actual background why you are doing it and what sort
of common/typical pinctrl setup you describe.

Best regards,
Krzysztof