linux-kernel - Re: [PATCH] dt-bindings: pwm: pca9685: add staggered-outputs property

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Message-ID: <20201207185040.GA608113@robh.at.kernel.org>
Date:   Mon, 7 Dec 2020 12:50:40 -0600
From:   Rob Herring <robh@...nel.org>
To:     Clemens Gruber <clemens.gruber@...ruber.com>
Cc:     linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
        Thierry Reding <thierry.reding@...il.com>,
        u.kleine-koenig@...gutronix.de, Lee Jones <lee.jones@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: pwm: pca9685: add staggered-outputs property

On Thu, Nov 12, 2020 at 05:39:31PM +0100, Clemens Gruber wrote:
> The pca9685 driver supports a new staggered-outputs property for reduced
> current surges and EMI. This adds documentation for the new DT property.
> 
> Signed-off-by: Clemens Gruber <clemens.gruber@...ruber.com>
> ---
>  Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt
> index f21b55c95738..911bbb65984e 100644
> --- a/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt
> +++ b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt
> @@ -12,6 +12,8 @@ Optional properties:
>    - invert (bool): boolean to enable inverted logic
>    - open-drain (bool): boolean to configure outputs with open-drain structure;
>  		       if omitted use totem-pole structure
> +  - staggered-outputs (bool): boolean to enable staggered output ON times to
> +			      minimize current surges and EMI

Needs a vendor prefix.

>  
>  Example:
>  
> -- 
> 2.29.2
>