linux-kernel - Re: [PATCH v10 2/6] dt-bindings/thermal/mediatek: Add dt-binding document for LVTS thermal controllers

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Date:   Mon, 16 Jan 2023 12:05:07 +0100
From:   Balsam CHIHI <bchihi@...libre.com>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     daniel.lezcano@...aro.org, rafael@...nel.org, amitk@...nel.org,
        rui.zhang@...el.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, khilman@...libre.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, james.lo@...iatek.com,
        rex-bc.chen@...iatek.com
Subject: Re: [PATCH v10 2/6] dt-bindings/thermal/mediatek: Add dt-binding
 document for LVTS thermal controllers

On Mon, Jan 16, 2023 at 11:38 AM AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com> wrote:
>
> Il 12/01/23 16:28, bchihi@...libre.com ha scritto:
> > From: Balsam CHIHI <bchihi@...libre.com>
> >
> > Add dt-binding document for mt8192 and mt8195 LVTS thermal controllers.
> >
> > Signed-off-by: Balsam CHIHI <bchihi@...libre.com>
> > ---
> >   .../thermal/mediatek,lvts-thermal.yaml        | 140 ++++++++++++++++++
> >   1 file changed, 140 insertions(+)
> >   create mode 100644 Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml b/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml
> > new file mode 100644
> > index 000000000000..43b8777fc1b2
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml
> > @@ -0,0 +1,140 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/thermal/mediatek,lvts-thermal.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: MediaTek SoC Low Voltage Thermal Sensor (LVTS)
> > +
> > +maintainers:
> > +  - Balsam CHIHI <bchihi@...libre.com>
> > +
> > +description: |
> > +  LVTS is a thermal management architecture composed of three subsystems,
> > +  a Sensing device - Thermal Sensing Micro Circuit Unit (TSMCU),
> > +  a Converter - Low Voltage Thermal Sensor converter (LVTS), and
> > +  a Digital controller (LVTS_CTRL).
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - mediatek,mt8192-lvts-mcu
> > +      - mediatek,mt8192-lvts-ap
>
> I agree, MT8192 has LVTS... but you don't have it in the driver?
> I don't think that it would be much effort to just add it to the commit that
> adds the driver itself... otherwise, even though bindings are describing the
> hardware and not the drivers, I, personally, don't really like to see the
> binding advertising mt8192 mcu/ap while it's not really supported in the driver.

Hi Angelo,

mt8192 will be supported later,
so I totally agree with you about removing its binding description for now.

Best regards,
Balsam

>
> Regards,
> Angelo