Re: [PATCH v3 3/4] dt-bindings: sram: sunxi-sram: Add optional regulators child

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On 15/08/2022 07:34, Samuel Holland wrote:
> Some sunxi SoCs have in-package regulators controlled by a register in
> the system control MMIO block. Allow a child node for these regulators
> in addition to SRAM child nodes.
> 
> Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx>
> ---
> 
> Changes in v3:
>  - Require the regulators node to have a unit address
>  - Reference the regulator schema from the SRAM controller schema
>  - Move the system LDOs example to the SRAM controller schema
>  - Reorder the patches so the example passes validation
> 
> Changes in v2:
>  - New patch for v2
> 
>  .../allwinner,sun4i-a10-system-control.yaml   | 29 +++++++++++++++++++
>  1 file changed, 29 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml b/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml
> index d64c1b28fb61..915ca85c3f10 100644
> --- a/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml
> +++ b/Documentation/devicetree/bindings/sram/allwinner,sun4i-a10-system-control.yaml
> @@ -56,6 +56,10 @@ properties:
>    ranges: true
>  
>  patternProperties:
> +  "^regulators@[0-9a-f]+$":
> +    $ref: /schemas/regulator/allwinner,sun20i-d1-system-ldos.yaml#
> +    unevaluatedProperties: false

unevaluatedProperties is not needed. Your other schema does not allow
anything else here.

> +
>    "^sram@[a-z0-9]+":
>      type: object
>  
> @@ -130,3 +134,28 @@ examples:
>          };
>        };
>      };
> +
> +  - |
> +    syscon@3000000 {
> +      compatible = "allwinner,sun20i-d1-system-control";

Your other example uses simple-mfd, syscon... A bit confusing.

> +      reg = <0x3000000 0x1000>;
> +      ranges;
> +      #address-cells = <1>;
> +      #size-cells = <1>;
> +
> +      regulators@3000150 {
> +        compatible = "allwinner,sun20i-d1-system-ldos";
> +        reg = <0x3000150 0x4>;
> +
> +        reg_ldoa: ldoa {
> +          regulator-min-microvolt = <1800000>;
> +          regulator-max-microvolt = <1800000>;
> +        };
> +
> +        reg_ldob: ldob {
> +          regulator-name = "vcc-dram";
> +          regulator-min-microvolt = <1500000>;
> +          regulator-max-microvolt = <1500000>;
> +        };
> +      };
> +    };


Best regards,
Krzysztof



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