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From:   ChiaEn Wu <peterwu.pub@gmail.com>
Date:   Fri, 3 Jun 2022 02:34:45 +0800
Message-ID: <CABtFH5+nNRn4azfniKCNc=S2Z2Y0jji_beA_16_UYzAvkak-VA@mail.gmail.com>
Subject: Re: [PATCH 10/14] dt-bindings: power: supply: Add Mediatek MT6370
 Charger binding documentation
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc:     lee.jones@linaro.org, daniel.thompson@linaro.org,
        jingoohan1@gmail.com, pavel@ucw.cz, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, matthias.bgg@gmail.com,
        sre@kernel.org, chunfeng.yun@mediatek.com,
        gregkh@linuxfoundation.org, jic23@kernel.org, lars@metafoo.de,
        lgirdwood@gmail.com, broonie@kernel.org, linux@roeck-us.net,
        heikki.krogerus@linux.intel.com, deller@gmx.de,
        ChiYuan Huang <cy_huang@richtek.com>, alice_chen@richtek.com,
        chiaen_wu@richtek.com, dri-devel@lists.freedesktop.org,
        linux-leds@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
        linux-pm@vger.kernel.org, linux-usb@vger.kernel.org,
        linux-iio@vger.kernel.org, linux-fbdev@vger.kernel.org
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Hi Krzysztof,

Thank you for the valuable suggestion.
Sorry for sending the same email again. I forgot to reply to everyone
in my last email..

Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> =E6=96=BC 2022=E5=B9=
=B46=E6=9C=881=E6=97=A5 =E9=80=B1=E4=B8=89 =E4=B8=8A=E5=8D=884:15=E5=AF=AB=
=E9=81=93=EF=BC=9A
>
> On 31/05/2022 12:42, ChiaEn Wu wrote:
> > From: ChiaEn Wu <chiaen_wu@richtek.com>
> >
>
> Subject - remove "binding documentation". It's already implied by prefix.
>
> > Add Mediatek MT6370 Charger binding documentation.
> >
> > Signed-off-by: ChiaEn Wu <chiaen_wu@richtek.com>
> > ---
> >  .../power/supply/mediatek,mt6370-charger.yaml | 60 +++++++++++++++++++
> >  1 file changed, 60 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/power/supply/medi=
atek,mt6370-charger.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/power/supply/mediatek,mt=
6370-charger.yaml b/Documentation/devicetree/bindings/power/supply/mediatek=
,mt6370-charger.yaml
> > new file mode 100644
> > index 000000000000..9d5c4487ca9c
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/power/supply/mediatek,mt6370-ch=
arger.yaml
> > @@ -0,0 +1,60 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/power/supply/mediatek,mt6370-charge=
r.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Mediatek MT6370 Battery Charger
> > +
> > +maintainers:
> > +  - ChiaEn Wu <chiaen_wu@richtek.com>
> > +
> > +description: |
> > +  This module is part of the MT6370 MFD device.
> > +  Provides Battery Charger, Boost for OTG devices and BC1.2 detection.
> > +
> > +properties:
> > +  compatible:
> > +    const: mediatek,mt6370-charger
> > +
> > +  interrupts:
> > +    description: |
> > +      Specify what irqs are needed to be handled by MT6370 Charger dri=
ver. IRQ
> > +      "MT6370_IRQ_CHG_MIVR", "MT6370_IRQ_ATTACH" and "MT6370_IRQ_OVPCT=
RL_UVP_D"
> > +      are required.
> > +    items:
> > +      - description: BC1.2 done irq for mt6370 charger
> > +      - description: usb plug in irq for mt6370 charger
> > +      - description: mivr irq for mt6370 charger
>
> s/for mt6370 charger//
> in each item

I got it, this will be refined in the next version. Thanks!

>
> > +
> > +  interrupt-names:
> > +    items:
> > +      - const: attach_i
> > +      - const: uvp_d_evt
> > +      - const: mivr
> > +
> > +  io-channels:
> > +    description: |
> > +      Use ADC channel to read vbus, ibus, ibat, etc., info. Ibus ADC c=
hannel
> > +      is required.
>
> Constraints (e.g. maxItems) are needed.

OK, I will add them in the new version!

>
> > +
> > +  usb-otg-vbus:
>
> Let's keep the same name as in MT6360:
>
> usb-otg-vbus-regulator

I'll change the name to correspond with MT6360 in the next patch, thanks!

> > +    type: object
> > +    description: OTG boost regulator.
> > +    $ref: /schemas/regulator/regulator.yaml#
> > +
> > +    properties:
> > +      enable-gpio:
> > +        maxItems: 1
> > +        description: |
> > +          Specify a valid 'enable' gpio for the regulator and it's opt=
ional
>
> This description is pointless - does not bring any more information. You
> repeat the schema. Please, avoid such descriptions.

I got it, I will remove them in the next patch.

>
> > +
> > +required:
> > +  - compatible
> > +  - interrupts
> > +  - interrupt-names
> > +  - io-channels
> > +
> > +additionalProperties: false
>
>
> How about example? Or is it going to be in MFD schema?

All of MT6370 binding documentation examples are in the MFD schema! Thanks.

>
>
> Best regards,
> Krzysztof

Best regards,
ChiaEn Wu