Re: RFC: dt-binding: media: document ON Semi AR0521 sensor bindings

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Hi Krzysztof,

On Tue, Mar 30, 2021 at 11:17:54AM +0200, Krzysztof Hałasa wrote:
> Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> writes:
> 
> >> +  reg:
> >> +    description: I2C bus address of the sensor device
> >
> > You can drop this, it's implicit for I2C devices.
> 
> Do you mean just dropping these two lines (and MaxItems: 1), and leaving
> "reg" in "required" and in the example? E.g.:

I meant dropping the description, sorry. You need to keep

  reg:
    maxItems: 1

> ...
> required:
>   - compatible
>   - reg
>   - clocks
>   - clock-names
>   - port
> 
> additionalProperties: false
> 
> examples:
>   - |
>     #include <dt-bindings/gpio/gpio.h>
>     #include <dt-bindings/clock/imx6qdl-clock.h>
> 
>     i2c {
>             #address-cells = <1>;
>             #size-cells = <0>;
> 
>             ar0521: camera-sensor@36 {
>                     compatible = "onnn,ar0521";
>                     reg = <0x36>;
>                     pinctrl-names = "default";
> 
> ...
> 
> It protests with:
> 
> Documentation/devicetree/bindings/media/i2c/onnn,ar0521.example.dt.yaml:
> camera-sensor@36: 'reg' does not match any of the regexes: 'pinctrl-[0-9]+'
>         From schema: /usr/src/linux/imx6/Documentation/devicetree/bindings/media/i2c/onnn,ar0521.yaml
> 
> Thus I'm currently leaving it as is.

-- 
Regards,

Laurent Pinchart



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