linux-kernel - Re: [PATCH 1/2] dt-bindings: hwmon: ti,ina2xx: Add alert-polarity property

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Date: Wed, 29 May 2024 09:07:17 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Amna Waseem <Amna.Waseem@...s.com>, Jean Delvare <jdelvare@...e.com>,
 Guenter Roeck <linux@...ck-us.net>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, kernel@...s.com
Subject: Re: [PATCH 1/2] dt-bindings: hwmon: ti,ina2xx: Add alert-polarity
 property

On 29/05/2024 08:07, Amna Waseem wrote:
> Add a property to the binding to configure the Alert Polarity.
> Alert pin is asserted based on the value of Alert Polarity bit of
> Mask/Enable register. It is by default 0 which means Alert pin is
> configured to be active low. To configure it to active high, set
> alert-polarity property value to 1.
> 
> Signed-off-by: Amna Waseem <Amna.Waseem@...s.com>
> ---
>  Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
> index df86c2c92037..a3f0fd71fcc6 100644
> --- a/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
> +++ b/Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
> @@ -66,6 +66,14 @@ properties:
>      description: phandle to the regulator that provides the VS supply typically
>        in range from 2.7 V to 5.5 V.
>  
> +  alert-polarity:

Missing vendor prefix.

> +    description: |

Do not need '|' unless you need to preserve formatting.

> +      Alert polarity bit value of Mask/Enable register. Alert pin is asserted
> +      based on the value of Alert polarity Bit. Default value is active low.
> +      0 selects active low, 1 selects active high.

Just use string, easier to read. But for sure do not introduce different
values than we already have - GPIO HIGH is 0, not 1.



Best regards,
Krzysztof