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SubjectRe: [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@sholland.org>
> ---
>
> 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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