> +description:
> +  The Renesas RZ/N1 ADC controller available in the Renesas RZ/N1 SoCs family
> +  can use up to two internal ACD cores (ADC1 and ADC2) those internal cores are

ADC cores?

> +  handled through ADC controller virtual channels.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - renesas,r9a06g032-adc   # RZ/N1D
> +      - const: renesas,rzn1-adc

Do you know of other SoCs with this IP core? If it is only RZ/N for now,
we could go with const for N1D. All other N1 variants cannot run Linux
because of no SDRAM controller.