Re: [PATCH v6 2/3] media: dt-bindings: media: i2c: Add bindings for TW9900

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On 06/10/2023 18:25, Mehdi Djait wrote:
> The Techwell TW9900 is a video decoder supporting multiple input
> standards, such as PAL and NTSC, and outputs a BT.656 video
> signal.
> 
> It's designed to be low-power, posesses some features such as a
> programmable comb-filter, and automatic input standard detection
> 
> Signed-off-by: Mehdi Djait <mehdi.djait@xxxxxxxxxxx>
> ---

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



> +properties:
> +  compatible:
> +    const: techwell,tw9900
> +
> +  reg:
> +    maxItems: 1
> +
> +  vdd-supply:
> +    description: VDD power supply
> +
> +  reset-gpios:
> +    description: GPIO descriptor for the RESET input pin
> +    maxItems: 1
> +
> +  port:
> +    $ref: /schemas/graph.yaml#/properties/port
> +    description:
> +      Video port for the decoder output.
> +
> +additionalProperties: false

This goes after required: block

> +
> +required:
> +  - compatible
> +  - reg
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +    i2c {
> +            #address-cells = <1>;
> +            #size-cells = <0>;

Use 4 spaces for example indentation.

> +
> +            tw9900: tw9900@44 {

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


Also, drop unused labels

> +                    compatible = "techwell,tw9900";
> +                    reg = <0x44>;
> +
> +                    vdd-supply = <&tw9900_supply>;
> +                    reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>;
> +
> +                    port {
> +                            tw9900_out: endpoint {
> +                                    remote-endpoint = <&vip_in>;
> +                            };
> +                    };
> +            };
> +    };

Best regards,
Krzysztof




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