Hi,

thanks for this conversion!

> +properties:
> +  compatible:
> +    enum:
> +      - hisilicon,hix5hd2-i2c

Question for DT maintainers: Is it preferred to start with 'enum' right
away or to start with 'const' and convert to 'enum' once a second user
appears?

> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0

These should be left out because they come from i2c-controller.yaml?

> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - "#address-cells"
> +  - "#size-cells"

Same here for the last two?

Happy hacking,

   Wolfram