linux-kernel - Re: [PATCH] dt-bindings: power: supply: bq256xx: Add ts-ignore property

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Message-ID: <49e67fb3-4ef9-5d50-c3e8-3c7857145bbc@linaro.org>
Date:   Thu, 9 Mar 2023 11:12:43 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Hermes Zhang <chenhuiz@...s.com>,
        Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andrew Davis <afd@...com>
Cc:     kernel@...s.com, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: power: supply: bq256xx: Add ts-ignore
 property

On 09/03/2023 03:39, Hermes Zhang wrote:
> Add a new property: ts-ignore to allow user to enable the TS_IGNORE flag
> in chip. Ignore TS pin will allow user to control the charging
> parameters instead of the default JEITA profile in chip.

You miss users of it.

> 
> Signed-off-by: Hermes Zhang <chenhuiz@...s.com>
> ---
>  Documentation/devicetree/bindings/power/supply/bq256xx.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/bq256xx.yaml b/Documentation/devicetree/bindings/power/supply/bq256xx.yaml
> index 82f382a7ffb3..74fd48f4bec5 100644
> --- a/Documentation/devicetree/bindings/power/supply/bq256xx.yaml
> +++ b/Documentation/devicetree/bindings/power/supply/bq256xx.yaml
> @@ -68,6 +68,12 @@ properties:
>        Interrupt sends an active low, 256 μs pulse to host to report the charger
>        device status and faults.
>  
> +  ts-ignore:

Missing vendor prefix... is this generic property? ts-ignore is very
cryptic. You should describe here rather desired system characteristic.
Why anyone would need to use it per-board level?

> +    type: boolean
> +    description: |
> +      If this property is set, the TS_IGNORE flag will be set to 1 which means
> +      will not apply JEITA profile during the charging.> +
>  required:
>    - compatible
>    - reg

Best regards,
Krzysztof