[PATCH v2 1/4] dt-bindings: soc: imx8m: add DT Binding doc for soc unique ID

[Rob Herring]

On Thu, Nov 05, 2020 at 03:26:26PM +0800, Alice Guo wrote:
> Add DT Binding doc for the Unique ID of i.MX 8M series.
> 
> Signed-off-by: Alice Guo <alice.guo at nxp.com>
> ---
>  .../devicetree/bindings/arm/fsl.yaml          | 33 +++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
> index e4db0f9ed664..0419f078502b 100644
> --- a/Documentation/devicetree/bindings/arm/fsl.yaml
> +++ b/Documentation/devicetree/bindings/arm/fsl.yaml
> @@ -901,6 +901,39 @@ properties:
>                - fsl,s32v234-evb           # S32V234-EVB2 Customer Evaluation Board
>            - const: fsl,s32v234
> 
> +  soc:
> +    description:
> +      i.MX8M Family SoC must provide a soc node in the root of the device tree,
> +      representing the System-on-Chip since these test chips are rather complex.
> +    type: object
> +    properties:
> +      compatible:
> +        oneOf:
> +          - items:
> +              - const: fsl,imx8mm-soc
> +              - const: simple-bus
> +          - items:
> +              - const: fsl,imx8mn-soc
> +              - const: simple-bus
> +          - items:
> +              - const: fsl,imx8mp-soc
> +              - const: simple-bus
> +          - items:
> +              - const: fsl,imx8mq-soc
> +              - const: simple-bus

items:
  - enum:
      - fsl,imx8mm-soc
      - fsl,imx8mn-soc
      - fsl,imx8mp-soc
      - fsl,imx8mq-soc
  - const: simple-bus

> +
> +      nvmem-cells:
> +        maxItems: 1
> +        description: Phandle to the SOC Unique ID provided by a nvmem node
> +
> +      nvmem-cells-names:
> +        const: soc_unique_id
> +
> +    required:
> +      - compatible
> +      - nvmem-cells
> +      - nvmem-cell-names
> +

'soc' should be required?

>  additionalProperties: true
> 
>  ...
> --
> 2.17.1
>