linux-kernel - Re: [PATCH v4 1/5] dt-bindings: mfd: Initial commit of silergy,sy7636a.yaml

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Date:   Sat, 27 Mar 2021 09:14:33 -0600
From:   Rob Herring <robh@...nel.org>
To:     Alistair Francis <alistair@...stair23.me>
Cc:     lee.jones@...aro.org, lgirdwood@...il.com, broonie@...nel.org,
        linux-imx@....com, kernel@...gutronix.de,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        alistair23@...il.com
Subject: Re: [PATCH v4 1/5] dt-bindings: mfd: Initial commit of
 silergy,sy7636a.yaml

On Thu, Mar 25, 2021 at 09:55:07PM -0400, Alistair Francis wrote:
> Initial support for the Silergy SY7636A Power Management chip
> and regulator.
> 
> Signed-off-by: Alistair Francis <alistair@...stair23.me>
> ---
> v3:
>  - No change
> v2:
>  - N/A
> 
>  .../bindings/mfd/silergy,sy7636a.yaml         | 63 +++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml b/Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml
> new file mode 100644
> index 000000000000..f260a8eae226
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/silergy,sy7636a.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/silergy,sy7636a.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: silergy sy7636a PMIC
> +
> +maintainers:
> +  - Alistair Francis <alistair@...stair23.me>
> +
> +properties:
> +  compatible:
> +    const: silergy,sy7636a
> +
> +  reg:
> +    maxItems: 1
> +
> +  '#thermal-sensor-cells':
> +    const: 0
> +
> +  regulators:
> +    type: object
> +    $ref: /schemas/regulator/regulator.yaml#

This isn't right as the actual regulators are child nodes of 
'regulators'. So you need another level defined here.

This node should also have 'additionalProperties: false' which will 
highlight the errors here.

> +
> +    properties:
> +      compatible:
> +        const: silergy,sy7636a-regulator
> +
> +      regulator-name:
> +        pattern: "vcom"

Not a pattern. Use 'const'.

> +
> +required:
> +  - compatible
> +  - reg
> +  - '#thermal-sensor-cells'
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      sy7636a@62 {

pmic@62

> +        compatible = "silergy,sy7636a";
> +        reg = <0x62>;
> +        status = "okay";
> +        pinctrl-names = "default";
> +        pinctrl-0 = <&pinctrl_epdpmic>;
> +        #thermal-sensor-cells = <0>;
> +
> +        regulators {
> +          compatible = "silergy,sy7636a-regulator";
> +          reg_epdpmic: vcom {
> +            regulator-name = "vcom";
> +            regulator-boot-on;
> +          };
> +        };
> +      };
> +    };
> +...
> -- 
> 2.31.0
>