linux-kernel - Re: [PATCH 1/2] dt-bindings: power: Add bindings document for Charger support on MT6360 PMIC

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Message-ID: <20201016153823.GA9890@kozik-lap>
Date:   Fri, 16 Oct 2020 17:38:23 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Gene Chen <gene.chen.richtek@...il.com>
Cc:     sre@...nel.org, matthias.bgg@...il.com, robh+dt@...nel.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Gene Chen <gene_chen@...htek.com>
Subject: Re: [PATCH 1/2] dt-bindings: power: Add bindings document for
 Charger support on MT6360 PMIC

On Wed, Sep 23, 2020 at 07:18:29PM +0800, Gene Chen wrote:
> From: Gene Chen <gene_chen@...htek.com>
> 
> Add bindings document for Charger support on MT6360 PMIC
> 
> Signed-off-by: Gene Chen <gene_chen@...htek.com>
> ---
>  .../bindings/power/supply/mt6360_charger.yaml      | 44 ++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/power/supply/mt6360_charger.yaml
> 
> diff --git a/Documentation/devicetree/bindings/power/supply/mt6360_charger.yaml b/Documentation/devicetree/bindings/power/supply/mt6360_charger.yaml
> new file mode 100644
> index 0000000..711fc19
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/power/supply/mt6360_charger.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/power/supply/mt6360_charger.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Battery charger driver for MT6360 PMIC from MediaTek Integrated.
> +
> +maintainers:
> +  - Gene Chen <gene_chen@...htek.com>
> +
> +description: |
> +  This module is part of the MT6360 MFD device.
> +  Provides Battery Charger, Boost for OTG devices and BC1.2 detection.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt6360-chg
> +
> +  vinovp:
> +    description:
> +      Maximum CHGIN regulation voltage.

1. You need to describe the type.
2. Use proper unit suffix (see property-units.txt).
3. Is this a custom property? If yes, it misses vendor prefix. If not,
   most likely there is already such property. Reuse.

> +
> +  usb-otg-vbus:
> +      $ref: /schemas/regulator/regulator.yaml#

1. Wrong indentation.
2. Name should be more or less generic, so maybe
   "usb-otg-vbus-regulator".

> +
> +required:
> +  - compatible

No address/reg? How does it bind?

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    mt6360_chg: chg {

s/chg/charger/

> +      compatible = "mediatek,mt6360-chg";
> +      vinovp = <14500000>;

Empty line break

Best regards,
Krzysztof