linux-kernel - Re: [PATCH v6 02/10] dt-bindings: rtc: mediatek: convert MT6397 rtc documentation

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Message-ID: <f7f0753c-f0bc-b87c-b99a-8b1bc3ef40b2@linaro.org>
Date:   Sun, 27 Nov 2022 13:59:09 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Alexandre Mergnat <amergnat@...libre.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chen Zhong <chen.zhong@...iatek.com>,
        Fabien Parent <fabien.parent@...aro.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Mark Brown <broonie@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Flora Fu <flora.fu@...iatek.com>,
        Tianping Fang <tianping.fang@...iatek.com>,
        Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Mattijs Korpershoek <mkorpershoek@...libre.com>,
        Rob Herring <robh@...nel.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        linux-rtc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Fabien Parent <fparent@...libre.com>,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-leds@...r.kernel.org
Subject: Re: [PATCH v6 02/10] dt-bindings: rtc: mediatek: convert MT6397 rtc
 documentation

On 25/11/2022 16:10, Alexandre Mergnat wrote:
> - Convert rtc/rtc-mt6397.txt to rtc/mt6397-rtc.yaml
> - Add maintainer
> - Remove the .txt binding file

Conversion includes removal, so you can skip the last comment.

> 
> Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
> ---
>  Documentation/devicetree/bindings/mfd/mt6397.txt   |  2 +-
>  .../bindings/rtc/mediatek,mt6397-rtc.yaml          | 35 ++++++++++++++++++++++
>  .../devicetree/bindings/rtc/rtc-mt6397.txt         | 31 -------------------
>  3 files changed, 36 insertions(+), 32 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
> index 0088442efca1..79aaf21af8e9 100644
> --- a/Documentation/devicetree/bindings/mfd/mt6397.txt
> +++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
> @@ -33,7 +33,7 @@ Optional subnodes:
>  		- compatible: "mediatek,mt6331-rtc"
>  		- compatible: "mediatek,mt6358-rtc"
>  		- compatible: "mediatek,mt6397-rtc"
> -	For details, see ../rtc/rtc-mt6397.txt
> +	For details, see ../rtc/mediatek,mt6397-rtc.yaml
>  - regulators
>  	Required properties:
>  		- compatible: "mediatek,mt6323-regulator"
> diff --git a/Documentation/devicetree/bindings/rtc/mediatek,mt6397-rtc.yaml b/Documentation/devicetree/bindings/rtc/mediatek,mt6397-rtc.yaml
> new file mode 100644
> index 000000000000..97b09c81e548
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/mediatek,mt6397-rtc.yaml
> @@ -0,0 +1,35 @@
> + # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/mediatek,mt6397-rtc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek MT6397/MT6366/MT6358/MT6323 RTC
> +
> +maintainers:
> +  - Tianping Fang <tianping.fang@...iatek.com>
> +  - Alexandre Mergnat <amergnat@...libre.com>
> +
> +description:
> +  MediaTek PMIC based RTC is an independent function of MediaTek PMIC that works
> +  as a type of multi-function device (MFD). The RTC can be configured and set up
> +  with PMIC wrapper bus which is a common resource shared with the other
> +  functions found on the same PMIC.
> +
> +allOf:
> +  - $ref: rtc.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt6323-rtc
> +      - mediatek,mt6358-rtc
> +      - mediatek,mt6366-rtc
> +      - mediatek,mt6397-rtc
> +
> +  start-year: true
> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> diff --git a/Documentation/devicetree/bindings/rtc/rtc-mt6397.txt b/Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
> deleted file mode 100644
> index 7212076a8f1b..000000000000
> --- a/Documentation/devicetree/bindings/rtc/rtc-mt6397.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -Device-Tree bindings for MediaTek PMIC based RTC
> -
> -MediaTek PMIC based RTC is an independent function of MediaTek PMIC that works
> -as a type of multi-function device (MFD). The RTC can be configured and set up
> -with PMIC wrapper bus which is a common resource shared with the other
> -functions found on the same PMIC.
> -
> -For MediaTek PMIC MFD bindings, see:
> -../mfd/mt6397.txt
> -
> -For MediaTek PMIC wrapper bus bindings, see:
> -../soc/mediatek/pwrap.txt
> -
> -Required properties:
> -- compatible: Should be one of follows
> -       "mediatek,mt6323-rtc": for MT6323 PMIC
> -       "mediatek,mt6358-rtc": for MT6358 PMIC
> -       "mediatek,mt6366-rtc", "mediatek,mt6358-rtc": for MT6366 PMIC

That's not equivalent change and you did not mention any differences
from conversion.

Regardless of it, Rob suggested squashing it into MFD device schema and
I think his proposal is still valid - you have here only two properties...

Best regards,
Krzysztof