Re: [PATCH 1/2] dt-bindings: iio: temperature: ltc2983: Fix child node unevaluated properties

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On Tue,  4 Apr 2023 15:50:13 -0500
Rob Herring <robh@xxxxxxxxxx> wrote:

> The child node schemas are missing 'unevaluatedProperties' constraints,
> so any unknown properties are allowed. The current structure with
> multiple patternProperties schemas doesn't work for
> unevaluatedProperties as each sub-schema is evaluated independently. To
> fix this, move the sub-schema for all child nodes to a $defs entry and
> reference it from each named child node.
> 
> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>

Nice. Series applied to the togreg branch of iio.git and pushed out as
testing so 0-day can poke at it.

Thanks,

Jonathan

> ---
>  .../bindings/iio/temperature/adi,ltc2983.yaml | 65 +++++++++++--------
>  1 file changed, 38 insertions(+), 27 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml b/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
> index f44fc32ce87e..e04f961ab92c 100644
> --- a/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
> +++ b/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
> @@ -18,6 +18,28 @@ description: |
>    https://www.analog.com/media/en/technical-documentation/data-sheets/29861fa.pdf
>    https://www.analog.com/media/en/technical-documentation/data-sheets/ltm2985.pdf
>  
> +$defs:
> +  sensor-node:
> +    type: object
> +    description: Sensor node common constraints
> +
> +    properties:
> +      reg:
> +        description:
> +          Channel number. Connects the sensor to the channel with this number
> +          of the device.
> +        minimum: 1
> +        maximum: 20
> +
> +      adi,sensor-type:
> +        description: Type of sensor connected to the device.
> +        $ref: /schemas/types.yaml#/definitions/uint32
> +
> +    required:
> +      - reg
> +      - adi,sensor-type
> +
> +
>  properties:
>    compatible:
>      oneOf:
> @@ -64,28 +86,10 @@ properties:
>      const: 0
>  
>  patternProperties:
> -  "@([0-9a-f]+)$":
> -    type: object
> -    description: Sensor.
> -
> -    properties:
> -      reg:
> -        description:
> -          Channel number. Connects the sensor to the channel with this number
> -          of the device.
> -        minimum: 1
> -        maximum: 20
> -
> -      adi,sensor-type:
> -        description: Type of sensor connected to the device.
> -        $ref: /schemas/types.yaml#/definitions/uint32
> -
> -    required:
> -      - reg
> -      - adi,sensor-type
> -
>    "^thermocouple@":
> -    type: object
> +    $ref: '#/$defs/sensor-node'
> +    unevaluatedProperties: false
> +
>      description: Thermocouple sensor.
>  
>      properties:
> @@ -141,7 +145,9 @@ patternProperties:
>              - adi,custom-thermocouple
>  
>    "^diode@":
> -    type: object
> +    $ref: '#/$defs/sensor-node'
> +    unevaluatedProperties: false
> +
>      description: Diode sensor.
>  
>      properties:
> @@ -184,7 +190,8 @@ patternProperties:
>          default: 0
>  
>    "^rtd@":
> -    type: object
> +    $ref: '#/$defs/sensor-node'
> +    unevaluatedProperties: false
>      description: RTD sensor.
>  
>      properties:
> @@ -282,7 +289,8 @@ patternProperties:
>              - adi,custom-rtd
>  
>    "^thermistor@":
> -    type: object
> +    $ref: '#/$defs/sensor-node'
> +    unevaluatedProperties: false
>      description: Thermistor sensor.
>  
>      properties:
> @@ -383,7 +391,8 @@ patternProperties:
>              - adi,custom-thermistor
>  
>    "^adc@":
> -    type: object
> +    $ref: '#/$defs/sensor-node'
> +    unevaluatedProperties: false
>      description: Direct ADC sensor.
>  
>      properties:
> @@ -397,7 +406,8 @@ patternProperties:
>          type: boolean
>  
>    "^temp@":
> -    type: object
> +    $ref: '#/$defs/sensor-node'
> +    unevaluatedProperties: false
>      description: Active analog temperature sensor.
>  
>      properties:
> @@ -426,7 +436,8 @@ patternProperties:
>        - adi,custom-temp
>  
>    "^rsense@":
> -    type: object
> +    $ref: '#/$defs/sensor-node'
> +    unevaluatedProperties: false
>      description: Sense resistor sensor.
>  
>      properties:




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