Re: [PATCH v2] dt-bindings: media: st,stmipid02: Convert the text bindings to YAML

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On 27/09/2022 20:46, Marek Vasut wrote:
> Convert the text STMIPID02 DT bindings to YAML DT format to permit
> validation of DTs using this I2C CSI-2 to CPI bridge.
> 
> Signed-off-by: Marek Vasut <marex@xxxxxxx>
> ---

Thank you for your patch. There is something to discuss/improve.

> +properties:
> +  compatible:
> +    const: st,st-mipid02
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    description:
> +      Reference to the xclk input clock.

This usually goes to "clocks", but on the other hand it does not bring
any value (xclk is obvious from clock-names), so I propose to skip
entire description.

> +    items:
> +      - const: xclk
> +
> +  VDDE-supply:
> +    description:
> +      Sensor digital IO supply. Must be 1.8 volts.
> +
> +  VDDIN-supply:
> +    description:
> +      Sensor internal regulator supply. Must be 1.8 volts.
> +
> +  reset-gpios:
> +    description:
> +      Reference to the GPIO connected to the xsdn pin, if any.
> +      This is an active low signal to the mipid02.
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: CSI-2 first input port
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              data-lanes:
> +                description:
> +                  Single-lane operation shall be <1> or <2> .
> +                  Dual-lane operation shall be <1 2> or <2 1> .
> +                minItems: 1
> +                maxItems: 2

Blank line

> +              lane-polarity:

The property is "lane-polarities"

> +                description:
> +                  Any lane can be inverted or not.
> +                minItems: 1
> +                maxItems: 2
> +
> +            required:
> +              - data-lanes
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: CSI-2 second input port
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              data-lanes:
> +                description:
> +                  Single-lane operation shall be <1> or <2> .
> +                maxItems: 1

Blank line

> +              lane-polarity:

lane-polarities

> +                description:
> +                  Any lane can be inverted or not.
> +                maxItems: 1
> +
> +            required:
> +              - data-lanes
> +
> +      port@2:
> +        $ref: /schemas/graph.yaml#/$defs/port-base
> +        unevaluatedProperties: false
> +        description: Output port
> +        properties:
> +          endpoint:
> +            $ref: /schemas/media/video-interfaces.yaml#
> +            unevaluatedProperties: false
> +
> +            properties:
> +              bus-width:
> +                enum: [6, 7, 8, 10, 12]

Blank line

> +              hsync-active: true
> +              vsync-active: true

You do not need these two - they come from video-interfaces.yaml


> +
> +            required:
> +              - bus-width
> +
> +    anyOf:
> +      - required:
> +          - port@0
> +      - required:
> +          - port@1
> +
> +    required:
> +      - port@2
> +

Best regards,
Krzysztof




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