Re: [PATCH v5 2/3] dt-bindings: mtd: Document use of nvmem-cells compatible

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On Thu, Mar 11, 2021 at 06:12:48AM +0100, Ansuel Smith wrote:
> Document nvmem-cells compatible used to treat mtd partitions as a
> nvmem provider.
> 
> Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx>
> ---
>  .../bindings/mtd/partitions/nvmem-cells.yaml  | 99 +++++++++++++++++++
>  1 file changed, 99 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
> new file mode 100644
> index 000000000000..b53faf87d4e4
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
> @@ -0,0 +1,99 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mtd/partitions/nvmem-cells.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nvmem cells
> +
> +description: |
> +  Any partition containing the compatible "nvmem-cells" will register as a
> +  nvmem provider.
> +  Each direct subnodes represents a nvmem cell following the nvmem binding.
> +  Nvmem binding to declare nvmem-cells can be found in:
> +  Documentation/devicetree/bindings/nvmem/nvmem.yaml
> +
> +maintainers:
> +  - Ansuel Smith <ansuelsmth@xxxxxxxxx>
> +
> +allOf:
> +  - $ref: "../../nvmem/nvmem.yaml#"

I'd rather have the 'absolute' path:

/schemas/nvmem/nvmem.yaml

Otherwise,

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>

> +
> +properties:
> +  compatible:
> +    const: nvmem-cells
> +
> +required:
> +  - compatible
> +
> +additionalProperties: true
> +
> +examples:
> +  - |
> +    partitions {
> +      compatible = "fixed-partitions";
> +      #address-cells = <1>;
> +      #size-cells = <1>;
> +
> +      /* ... */
> +
> +      };
> +      art: art@1200000 {
> +        compatible = "nvmem-cells";
> +        reg = <0x1200000 0x0140000>;
> +        label = "art";
> +        read-only;
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +
> +        macaddr_gmac1: macaddr_gmac1@0 {
> +          reg = <0x0 0x6>;
> +        };
> +
> +        macaddr_gmac2: macaddr_gmac2@6 {
> +          reg = <0x6 0x6>;
> +        };
> +
> +        pre_cal_24g: pre_cal_24g@1000 {
> +          reg = <0x1000 0x2f20>;
> +        };
> +
> +        pre_cal_5g: pre_cal_5g@5000{
> +          reg = <0x5000 0x2f20>;
> +        };
> +      };
> +  - |
> +    partitions {
> +        compatible = "fixed-partitions";
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +
> +        partition@0 {
> +            label = "bootloader";
> +            reg = <0x000000 0x100000>;
> +            read-only;
> +        };
> +
> +        firmware@100000 {
> +            compatible = "brcm,trx";
> +            label = "firmware";
> +            reg = <0x100000 0xe00000>;
> +        };
> +
> +        calibration@f00000 {
> +            compatible = "nvmem-cells";
> +            label = "calibration";
> +            reg = <0xf00000 0x100000>;
> +            ranges = <0 0xf00000 0x100000>;
> +            #address-cells = <1>;
> +            #size-cells = <1>;
> +
> +            wifi0@0 {
> +                reg = <0x000000 0x080000>;
> +            };
> +
> +            wifi1@80000 {
> +                reg = <0x080000 0x080000>;
> +            };
> +        };
> +    };
> -- 
> 2.30.0
> 



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