Re: [RFC PATCH] dt-bindings: regulator: twl-regulator: convert to yaml

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On 28/05/2024 08:57, Andreas Kemnade wrote:
> Convert the regulator bindings to yaml files. To allow only the regulator
> compatible corresponding to the toplevel mfd compatible, split the file
> into one per device.
> 
> To not need to allow any subnode name, specify clearly node names
> for all the regulators.
> 
> Drop one twl5030 compatible due to no documentation on mfd side and no
> users of the twl5030.
> 
> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> ---
> Reason for being RFC:
> the integration into ti,twl.yaml seems not to work as expected
> make dt_binding_check crashes without any clear error message
> if used on the ti,twl.yaml
> 
>  .../devicetree/bindings/mfd/ti,twl.yaml       |   4 +-
>  .../regulator/ti,twl4030-regulator.yaml       | 402 ++++++++++++++++++
>  .../regulator/ti,twl6030-regulator.yaml       | 292 +++++++++++++
>  .../regulator/ti,twl6032-regulator.yaml       | 238 +++++++++++
>  .../bindings/regulator/twl-regulator.txt      |  80 ----
>  5 files changed, 935 insertions(+), 81 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/regulator/ti,twl4030-regulator.yaml
>  create mode 100644 Documentation/devicetree/bindings/regulator/ti,twl6030-regulator.yaml
>  create mode 100644 Documentation/devicetree/bindings/regulator/ti,twl6032-regulator.yaml
>  delete mode 100644 Documentation/devicetree/bindings/regulator/twl-regulator.txt
> 
> diff --git a/Documentation/devicetree/bindings/mfd/ti,twl.yaml b/Documentation/devicetree/bindings/mfd/ti,twl.yaml
> index c2357fecb56cc..4ced6e471d338 100644
> --- a/Documentation/devicetree/bindings/mfd/ti,twl.yaml
> +++ b/Documentation/devicetree/bindings/mfd/ti,twl.yaml
> @@ -50,7 +50,7 @@ allOf:
>            properties:
>              compatible:
>                const: ti,twl4030-wdt
> -
> +        $ref: /schemas/regulator/ti,twl4030-regulator.yaml

That's not needed, just like othehr refs below.

>    - if:
>        properties:
>          compatible:
> @@ -63,6 +63,7 @@ allOf:
>            properties:
>              compatible:
>                const: ti,twl6030-gpadc
> +        $ref: /schemas/regulator/ti,twl6030-regulator.yaml
>    - if:
>        properties:
>          compatible:
> @@ -75,6 +76,7 @@ allOf:
>            properties:
>              compatible:
>                const: ti,twl6032-gpadc
> +        $ref: /schemas/regulator/ti,twl6032-regulator.yaml
>  

>  properties:
>    compatible:
> diff --git a/Documentation/devicetree/bindings/regulator/ti,twl4030-regulator.yaml b/Documentation/devicetree/bindings/regulator/ti,twl4030-regulator.yaml
> new file mode 100644
> index 0000000000000..9623c110605ef
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/ti,twl4030-regulator.yaml
> @@ -0,0 +1,402 @@
> +# SPDX-License-Identifier: (GPL-2.0)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/ti,twl4030-regulator.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Regulators in the TWL4030 PMIC
> +
> +maintainers:
> +  - Andreas Kemnade <andreas@xxxxxxxxxxxx>
> +
> +properties:
> +  regulator-vaux1:
> +    type: object
> +    $ref: regulator.yaml#
> +    unevaluatedProperties: false
> +    properties:
> +      compatible:
> +        const: "ti,twl4030-vaux1"

No quotes

> +
> +      regulator-initial-mode:
> +        items:
> +          - items:
> +              enum:
> +                - 0x08 # Sleep mode, the nominal output voltage is maintained
> +                       # with low power consumption with low load current capability
> +                - 0x0e # Active mode, the regulator can deliver its nominal output
> +                       # voltage with full-load current capability
> +
> +    required:
> +      - compatible
> +
> +  regulator-vaux2:
> +    type: object
> +    $ref: regulator.yaml#
> +    unevaluatedProperties: false
> +    properties:
> +      compatible:
> +        const: "ti,twl4030-vaux2"
> +
> +      regulator-initial-mode:
> +        items:
> +          - items:
> +              enum:
> +                - 0x08 # Sleep mode, the nominal output voltage is maintained
> +                       # with low power consumption with low load current capability
> +                - 0x0e # Active mode, the regulator can deliver its nominal output
> +                       # voltage with full-load current capability

These entries are the same. Just use patternProperties and enum for
compatible.


Best regards,
Krzysztof





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