Re: [PATCH 3/3] dt-bindings: hwmon: max31790: Add pwmout-pin-as-tach-input property

From: Krzysztof Kozlowski
Date: Mon Mar 11 2024 - 12:57:03 EST


On 11/03/2024 12:13, Chanh Nguyen wrote:
> Add pwmout-pin-as-tach-input property.

Why is this split from original binding? This does not make much
sense... Add complete hardware description.

>
> Signed-off-by: Chanh Nguyen <chanh@xxxxxxxxxxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/hwmon/max31790.yaml | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/hwmon/max31790.yaml b/Documentation/devicetree/bindings/hwmon/max31790.yaml
> index 5a93e6bdebda..447cac17053a 100644
> --- a/Documentation/devicetree/bindings/hwmon/max31790.yaml
> +++ b/Documentation/devicetree/bindings/hwmon/max31790.yaml
> @@ -25,6 +25,16 @@ properties:
> reg:
> maxItems: 1
>
> + pwmout-pin-as-tach-input:
> + description: |
> + An array of six integers responds to six PWM channels for
> + configuring the pwm to tach mode.
> + When set to 0, the associated PWMOUT produces a PWM waveform for
> + control of fan speed. When set to 1, PWMOUT becomes a TACH input

No vendor prefix, so generic property... but where is it defined?


Best regards,
Krzysztof