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Date:   Thu, 31 Dec 2020 08:44:00 -0700
From:   Rob Herring <robh@...nel.org>
To:     Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        drinkcat@...omium.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v3 1/3] dt-bindings: regulator: document binding for
 MT6315 regulator

On Wed, Dec 23, 2020 at 08:13:42PM +0800, Hsin-Hsiung Wang wrote:
> Add device tree binding information for MT6315 regulator driver.
> Example bindings for MT6315 are added.
> 
> Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
> ---
>  .../bindings/regulator/mt6315-regulator.yaml  | 71 +++++++++++++++++++
>  1 file changed, 71 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/mt6315-regulator.yaml
> 
> diff --git a/Documentation/devicetree/bindings/regulator/mt6315-regulator.yaml b/Documentation/devicetree/bindings/regulator/mt6315-regulator.yaml
> new file mode 100644
> index 000000000000..15ce83a36174
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/mt6315-regulator.yaml
> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/mtk,mt6315-regulator.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek MT6315 Regulator
> +
> +maintainers:
> +  - Hsin-Hsiung Wang <hsin-hsiung.wang@...iatek.com>
> +
> +description: |
> +  The MT6315 is a power management IC (PMIC) configurable with SPMI.
> +  that contains 4 BUCKs output which can combine with each other
> +  by different efuse settings.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt6315-regulator
> +
> +  reg:
> +    maxItems: 1
> +
> +  regulators:
> +    type: object
> +    description: List of regulators and its properties
> +
> +    patternProperties:
> +      "^vbuck[1-4]$":
> +        type: object
> +        $ref: "regulator.yaml#"
> +
> +        properties:
> +          regulator-name:
> +            pattern: "^vbuck[1-4]$"
> +            description:
> +              should be "vbuck1", ..., "vbuck4"

The description just repeats what the schema defines. Drop it.

> +
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - regulators
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    pmic@6 {
> +      compatible = "mediatek,mt6315-regulator";
> +      reg = <0x6 0 0xb 1>;
> +
> +      regulators {
> +        vbuck1 {
> +          regulator-compatible = "vbuck1";
> +          regulator-min-microvolt = <300000>;
> +          regulator-max-microvolt = <1193750>;
> +          regulator-enable-ramp-delay = <256>;
> +          regulator-allowed-modes = <0 1 2 4>;
> +        };
> +
> +        vbuck3 {
> +          regulator-compatible = "vbuck3";
> +          regulator-min-microvolt = <300000>;
> +          regulator-max-microvolt = <1193750>;
> +          regulator-enable-ramp-delay = <256>;
> +          regulator-allowed-modes = <0 1 2 4>;
> +        };
> +      };
> +    };
> -- 
> 2.18.0
> 

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