Re: [PATCH 1/2] dt-bindings: hwmon: ti,tmp401: Add label property

Krzysztof Kozlowski <[email protected]> Tue, 4 Aug 2026 09:59:34 +0200
Newsgroups org.kernel.vger.linux-hwmon,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel
Message-ID <20260804-rapid-heavenly-tench-4fbbbb@quoll>
On Thu, Jul 30, 2026 at 03:30:57PM +0200, Bruno Thomsen wrote:
> Add support for an optional channel label property similar to other
> hwmon devices.

No, you need to provide reasons. Other bindings need properties per
channel, but yours do not, so you do not have a valid case.

> 
> Signed-off-by: Bruno Thomsen <[email protected]>
> ---
>  .../devicetree/bindings/hwmon/ti,tmp401.yaml  | 58 +++++++++++++++++++
>  1 file changed, 58 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
> index 0e8ddf0ad789..345ab6203a54 100644
> --- a/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
> +++ b/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
> @@ -30,6 +30,12 @@ properties:
>    reg:
>      maxItems: 1
>  
> +  '#address-cells':
> +    const: 1
> +
> +  '#size-cells':

Use consistent quotes.

> +    const: 0
> +
>    ti,extended-range-enable:
>      description:
>        When set, this sensor measures over extended temperature range.
> @@ -50,6 +56,26 @@ properties:
>      minimum: 0
>      maximum: 15
>  
> +patternProperties:
> +  "^channel@([0-2])$":
> +    type: object
> +    description: Represents channels of the device and their specific configuration.
> +
> +    properties:
> +      reg:
> +        description: The channel number. 0 is local channel, 1-2 are remote channels.
> +        items:
> +          minimum: 0
> +          maximum: 2
> +
> +      label:
> +        description: A descriptive name for this channel, like "ambient" or "psu".
> +
> +    required:
> +      - reg
> +
> +    additionalProperties: false
> +
>  allOf:
>    - if:
>        properties:
> @@ -72,6 +98,16 @@ allOf:
>        properties:
>          ti,beta-compensation: false
>  
> +  - if:
> +      not:
> +        properties:
> +          compatible:
> +            contains:
> +              const: ti,tmp432
> +    then:
> +      properties:
> +        channel@2: false
> +
>  required:
>    - compatible
>    - reg
> @@ -102,3 +138,25 @@ examples:
>          ti,beta-compensation = <0x7>;
>        };
>      };
> +  - |
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;

No need for new example, just grow existing.

Best regards,
Krzysztof