Re: [PATCH 2/4] dt-bindings: hwinfo: ti,k3-socinfo: Add nvmem-cells

[Krzysztof Kozlowski]

On 06/02/2024 15:37, Markus Schneider-Pargmann wrote:
> The information k3-socinfo requires is stored in an efuse area. This
> area is required by other devices/drivers as well, so using nvmem-cells
> can be a cleaner way to describe which information are used.
> 
> If nvmem-cells are supplied, the address range is not required.
> Cells chipvariant, chippartno and chipmanufacturer are introduced to
> cover all required information.
> 
> Signed-off-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx>
> Reviewed-by: Andrew Davis <afd@xxxxxx>
> ---
>  .../bindings/hwinfo/ti,k3-socinfo.yaml        | 23 ++++++++++++++++++-
>  1 file changed, 22 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml b/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml
> index dada28b47ea0..f085b7275b7d 100644
> --- a/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml
> +++ b/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml
> @@ -26,9 +26,24 @@ properties:
>    reg:
>      maxItems: 1
>  
> +  nvmem-cells:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array

You do not need to redefine the type. You need constraints, so maxItems.

> +
> +  nvmem-cell-names:
> +    items:
> +      - const: chipvariant
> +      - const: chippartno
> +      - const: chipmanufacturer


Best regards,
Krzysztof