Re: [PATCH v4] dt-bindings: regulator: twl-regulator: convert to yaml

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On Thu, Jun 6, 2024 at 5:16 AM Andreas Kemnade <andreas@xxxxxxxxxxxx> wrote:
>
> Convert the regulator bindings to yaml.
>
> Drop one twl5030 compatible due to no documentation on mfd side and no
> users of the twl5030.
>
> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
> Changes in v4:
> - remove a sentence in the commit message which only applies
>   to v1 design
> - add R-by
>
> Changes in v3:
> - define regulator stuff in toplevel
> - simplified regulator-inital-mode
> - extended example to contain both regulator-initial-mode and
>   retain-on-reset
>
> Changes in v2:
> - add regulators directly to ti,twl.yaml
> - less restrictions on regulator node name
>
>  .../devicetree/bindings/mfd/ti,twl.yaml       | 166 +++++++++++++++++-
>  .../bindings/regulator/twl-regulator.txt      |  80 ---------
>  2 files changed, 164 insertions(+), 82 deletions(-)
>  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 c2357fecb56c..2cbdd238f48f 100644
> --- a/Documentation/devicetree/bindings/mfd/ti,twl.yaml
> +++ b/Documentation/devicetree/bindings/mfd/ti,twl.yaml
> @@ -22,6 +22,32 @@ allOf:
>            contains:
>              const: ti,twl4030
>      then:
> +      patternProperties:
> +        "^regulator-":
> +          properties:
> +            compatible:
> +              enum:
> +                - ti,twl4030-vaux1
> +                - ti,twl4030-vaux2
> +                - ti,twl4030-vaux3
> +                - ti,twl4030-vaux4
> +                - ti,twl4030-vmmc1
> +                - ti,twl4030-vmmc2
> +                - ti,twl4030-vpll1
> +                - ti,twl4030-vpll2
> +                - ti,twl4030-vsim
> +                - ti,twl4030-vdac
> +                - ti,twl4030-vintana2
> +                - ti,twl4030-vio
> +                - ti,twl4030-vdd1
> +                - ti,twl4030-vdd2
> +                - ti,twl4030-vintana1
> +                - ti,twl4030-vintdig
> +                - ti,twl4030-vusb1v5
> +                - ti,twl4030-vusb1v8
> +                - ti,twl4030-vusb3v1
> +            ti,retain-on-reset: false
> +
>        properties:
>          madc:
>            type: object
> @@ -50,13 +76,34 @@ allOf:
>            properties:
>              compatible:
>                const: ti,twl4030-wdt
> -
>    - if:
>        properties:
>          compatible:
>            contains:
>              const: ti,twl6030
>      then:
> +      patternProperties:
> +        "^regulator-":
> +          properties:
> +            compatible:
> +              enum:
> +                - ti,twl6030-vaux1
> +                - ti,twl6030-vaux2
> +                - ti,twl6030-vaux3
> +                - ti,twl6030-vmmc
> +                - ti,twl6030-vpp
> +                - ti,twl6030-vusim
> +                - ti,twl6030-vana
> +                - ti,twl6030-vcxio
> +                - ti,twl6030-vdac
> +                - ti,twl6030-vusb
> +                - ti,twl6030-v1v8
> +                - ti,twl6030-v2v1
> +                - ti,twl6030-vdd1
> +                - ti,twl6030-vdd2
> +                - ti,twl6030-vdd3
> +            regulator-initial-mode: false
> +
>        properties:
>          gpadc:
>            type: object
> @@ -69,6 +116,25 @@ allOf:
>            contains:
>              const: ti,twl6032
>      then:
> +      patternProperties:
> +        "^regulator-":
> +          properties:
> +            compatible:
> +              enum:
> +                - ti,twl6032-ldo1
> +                - ti,twl6032-ldo2
> +                - ti,twl6032-ldo3
> +                - ti,twl6032-ldo4
> +                - ti,twl6032-ldo5
> +                - ti,twl6032-ldo6
> +                - ti,twl6032-ldo7
> +                - ti,twl6032-ldoln
> +                - ti,twl6032-ldousb
> +                - ti,twl6032-smps3
> +                - ti,twl6032-smps4
> +                - ti,twl6032-vio
> +            regulator-initial-mode: false
> +
>        properties:
>          gpadc:
>            type: object
> @@ -112,6 +178,27 @@ properties:
>        interrupts:
>          maxItems: 1
>
> +patternProperties:
> +  "^regulator-":
> +    type: object
> +    unevaluatedProperties: false
> +    $ref: /schemas/regulator/regulator.yaml
> +    properties:
> +      compatible: true
> +      regulator-initial-mode:
> +        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
> +      ti,retain-on-reset:
> +        description:
> +          Does not turn off the supplies during warm
> +          reset. Could be needed for VMMC, as TWL6030
> +          reset sequence for this signal does not comply
> +          with the SD specification.
> +        type: boolean
> +
>  unevaluatedProperties: false
>
>  required:
> @@ -131,9 +218,84 @@ examples:
>          compatible = "ti,twl6030";
>          reg = <0x48>;
>          interrupts = <39>; /* IRQ_SYS_1N cascaded to gic */
> +        interrupt-parent = <&gic>;
>          interrupt-controller;
>          #interrupt-cells = <1>;
> -        interrupt-parent = <&gic>;
> +
> +        gpadc {
> +          compatible = "ti,twl6030-gpadc";
> +          interrupts = <6>;

Now a warning in linux-next:

Documentation/devicetree/bindings/mfd/ti,twl.example.dtb: gpadc:
'#io-channel-cells' is a required property
        from schema $id:
http://devicetree.org/schemas/iio/adc/ti,twl6030-gpadc.yaml#





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