linux-kernel - Re: [PATCH v7 3/3] dt-bindings: mfd: mediatek: mt6397: Convert to DT schema format

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Message-ID: <5a29ddaf-cc01-498c-943c-b65736e2899e@kernel.org>
Date: Tue, 1 Oct 2024 08:35:58 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Macpaul Lin <macpaul.lin@...iatek.com>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>, Rob Herring
 <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Pavel Machek <pavel@....cz>,
 Lee Jones <lee@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>,
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
 Sen Chu <sen.chu@...iatek.com>, Sean Wang <sean.wang@...iatek.com>,
 Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>,
 Vladimir Oltean <olteanv@...il.com>, "David S . Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Sebastian Reichel <sre@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>,
 Alexandre Belloni <alexandre.belloni@...tlin.com>,
 linux-input@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org,
 linux-pm@...r.kernel.org, netdev@...r.kernel.org, linux-rtc@...r.kernel.org,
 linux-sound@...r.kernel.org, Alexandre Mergnat <amergnat@...libre.com>,
 Bear Wang <bear.wang@...iatek.com>, Pablo Sun <pablo.sun@...iatek.com>,
 Macpaul Lin <macpaul@...il.com>, Chris-qj chen <chris-qj.chen@...iatek.com>,
 MediaTek Chromebook Upstream
 <Project_Global_Chrome_Upstream_Group@...iatek.com>,
 Chen-Yu Tsai <wenst@...omium.org>
Subject: Re: [PATCH v7 3/3] dt-bindings: mfd: mediatek: mt6397: Convert to DT
 schema format

On 01/10/2024 08:29, Krzysztof Kozlowski wrote:
> On Mon, Sep 30, 2024 at 03:33:11PM +0800, Macpaul Lin wrote:
>> Convert the mfd: mediatek: mt6397 binding to DT schema format.
>>
>> MT6323, MT6358, and MT6397 are PMIC devices with multiple function
>> subdevices. They share a common PMIC design but have variations in
>> subdevice combinations.
>>
>> Key updates in this conversion:
>>
>> 1. RTC:
>>    - Convert rtc-mt6397.txt and merge into parent MT6397 PMIC DT schema.
>>
>> 2. Regulators:
>>    - Align to generic name "regulators".
>>    - Update references from .txt to .yaml for mt6323, mt6358, and mt6397
>>      regulators.
>>    - Simplify regulator name labels in device tree examples.
>>    - Add a new 'mt6359-regulator' to the compatibles of regulators.
> 
> Why?
> 
>>      Merge from the other patch [1].
>>
>> 3. ADC:
>>    - Add a new 'adc' property and include a $ref for sub-device node of
>>      MT6359 PMIC AUXADC: 'mediatek,mt6359-auxadc'.
>>      Merge from the other patch [1].
>>
>> 4. Audio Codec:
>>    - Simplify Audio Codec part with updating compatible items.
>>    - Add 'mt6359-codec' to the compatible
> 
> Why?
> .
>>
>> 5. Clocks:
>>    - Align to generic name "clocks" for clockbuffer subdevices.
>>
>> 6. LEDs:
>>    - Convert leds-mt6323.txt and merge into parent MT6397 PMIC DT schema.
>>    - Update LED binding.
>>
>> 7. Keys:
>>    - Add detailed descriptions for power and home keys.
>>    - Add compatible: mediatek,mt6358-keys.
>>
>> 8. Power Controller:
>>    - Convert mt6323-poweroff.txt and merge into parent MT6397 PMIC DT
>>      schema.
>>    - Add #power-domain-cells property to fix dt-binding check error.
>>    - Clarify "BBPU" as "Baseband power up".
>>
>> 9. Pinctrl:
>>    - Align to generic name "pinctrl" instead of "pin-controller".
>>
>> 10. Compatible:
>>    - Drop "mediatek,mt6357" since there is a separated DT Schema
>>      for PMIC MT6357.
>>
>> 11. Examples:
>>    - MT6323: Retain complete examples for this PMIC.
>>    - MT6358 and MT6397: simplify settings in regulators.
>>     - Preserve "audio-codec", "clocks", "pinctrl", "rtc", and "keys"
>>       sections as they contain typical settings for different PMICs.
>>
>> Additional updates:
>> - MAINTAINERS: Add co-maintainers and reference to
>>   mfd/mediatek,mt6397.yaml for LED and power-controller drivers.
>> - input/mediatek,pmic-keys.yaml: Update reference to
>>   mfd/mediatek,mt6397.yaml.
>>
>> References:
>> [1] https://lore.kernel.org/all/20240925171156.9115-1-macpaul.lin@mediatek.com/
>>
>> Signed-off-by: Sen Chu <sen.chu@...iatek.com>
>> Signed-off-by: Macpaul Lin <macpaul.lin@...iatek.com>
>> ---
> 
>> +
>> +  adc:
>> +    type: object
>> +    $ref: /schemas/iio/adc/mediatek,mt6359-auxadc.yaml#
>> +    unevaluatedProperties: false
>> +
>> +  audio-codec:
>> +    type: object
>> +    description:
>> +      Audio codec support with MT6358, MT6359, and MT6397.
>> +    additionalProperties: true
> 
> No, this cannot be true. Schema is incomplete for listed compatibles.

I saw now your patch for ASoC, so this is fine.

All my other questions stay valid - why are you adding new devices in
patch which is supposed to be ONLY conversion.

> 
>> +
>> +    properties:
>> +      compatible:
>> +        oneOf:
>> +          - enum:
>> +              - mediatek,mt6358-sound
>> +              - mediatek,mt6359-codec
> 
> There was no such compatible.
> 
> Why do you add non-existing compatibles during conversion?
> 

Best regards,
Krzysztof