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From:   Rob Herring <robh+dt@kernel.org>
Date:   Thu, 5 Dec 2019 08:58:09 -0600
Message-ID: <CAL_JsqKzRj_SDUJH60gUpOqUE_cBbT7bwdo5OgK=iUwh_7xo+g@mail.gmail.com>
Subject: Re: [PATCH v2] regulator: Convert stm32-pwr regulator to json-schema
To:     Pascal Paillet <p.paillet@st.com>
Cc:     Liam Girdwood <lgirdwood@gmail.com>,
        Mark Brown <broonie@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@st.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        devicetree@vger.kernel.org,
        linux-stm32@st-md-mailman.stormreply.com,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@lists.infradead.org>
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On Thu, Dec 5, 2019 at 8:08 AM Pascal Paillet <p.paillet@st.com> wrote:
>
> Convert the stm32-pwr regulator binding to DT schema format using
> json-schema.
>
> Signed-off-by: Pascal Paillet <p.paillet@st.com>
> ---
> Changes since v1:
> - remove a regulator.yaml reference
> - add /schemas/types.yaml#/definitions/phandle-array for supply

Why? That's wrong as *-supply already has a type definition.

> - fix indent below required
>
>  .../regulator/st,stm32mp1-pwr-reg.txt         | 43 ------------
>  .../regulator/st,stm32mp1-pwr-reg.yaml        | 66 +++++++++++++++++++
>  2 files changed, 66 insertions(+), 43 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.txt
>  create mode 100644 Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.yaml
>
> diff --git a/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.txt b/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.txt
> deleted file mode 100644
> index e372dd3f0c8a..000000000000
> --- a/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.txt
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -STM32MP1 PWR Regulators
> ------------------------
> -
> -Available Regulators in STM32MP1 PWR block are:
> -  - reg11 for regulator 1V1
> -  - reg18 for regulator 1V8
> -  - usb33 for the swtich USB3V3
> -
> -Required properties:
> -- compatible: Must be "st,stm32mp1,pwr-reg"
> -- list of child nodes that specify the regulator reg11, reg18 or usb33
> -  initialization data for defined regulators. The definition for each of
> -  these nodes is defined using the standard binding for regulators found at
> -  Documentation/devicetree/bindings/regulator/regulator.txt.
> -- vdd-supply: phandle to the parent supply/regulator node for vdd input
> -- vdd_3v3_usbfs-supply: phandle to the parent supply/regulator node for usb33
> -
> -Example:
> -
> -pwr_regulators: pwr@50001000 {
> -       compatible = "st,stm32mp1,pwr-reg";
> -       reg = <0x50001000 0x10>;
> -       vdd-supply = <&vdd>;
> -       vdd_3v3_usbfs-supply = <&vdd_usb>;
> -
> -       reg11: reg11 {
> -               regulator-name = "reg11";
> -               regulator-min-microvolt = <1100000>;
> -               regulator-max-microvolt = <1100000>;
> -       };
> -
> -       reg18: reg18 {
> -               regulator-name = "reg18";
> -               regulator-min-microvolt = <1800000>;
> -               regulator-max-microvolt = <1800000>;
> -       };
> -
> -       usb33: usb33 {
> -               regulator-name = "usb33";
> -               regulator-min-microvolt = <3300000>;
> -               regulator-max-microvolt = <3300000>;
> -       };
> -};
> diff --git a/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.yaml b/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.yaml
> new file mode 100644
> index 000000000000..cc66a7c91260
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/st,stm32mp1-pwr-reg.yaml
> @@ -0,0 +1,66 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/st,stm32mp1-pwr-reg.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: STM32MP1 PWR voltage regulators
> +
> +maintainers:
> +  - Pascal Paillet <p.paillet@st.com>
> +
> +properties:
> +  compatible:
> +    const: st,stm32mp1,pwr-reg
> +
> +  reg:
> +    maxItems: 1
> +
> +  vdd-supply:
> +    description: Input supply phandle(s) for vdd input
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +
> +  vdd_3v3_usbfs-supply:
> +    description: Input supply phandle(s) for vdd_3v3_usbfs input
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +
> +patternProperties:
> +  "^(reg11|reg18|usb33)$":
> +    type: object
> +
> +    allOf:
> +      - $ref: "regulator.yaml#"
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    pwr@50001000 {
> +      compatible = "st,stm32mp1,pwr-reg";
> +      reg = <0x50001000 0x10>;
> +      vdd-supply = <&vdd>;
> +      vdd_3v3_usbfs-supply = <&vdd_usb>;
> +
> +      reg11 {
> +        regulator-name = "reg11";
> +        regulator-min-microvolt = <1100000>;
> +        regulator-max-microvolt = <1100000>;
> +      };
> +
> +      reg18 {
> +        regulator-name = "reg18";
> +        regulator-min-microvolt = <1800000>;
> +        regulator-max-microvolt = <1800000>;
> +      };
> +
> +      usb33 {
> +        regulator-name = "usb33";
> +        regulator-min-microvolt = <3300000>;
> +        regulator-max-microvolt = <3300000>;
> +      };
> +    };
> +...
> --
> 2.17.1
>