linux-kernel - Re: [PATCH v4 2/9] dt-bindings: rtc: mediatek: convert MT6397 rtc documentation

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Date:   Wed, 9 Nov 2022 16:29:16 -0600
From:   Rob Herring <robh@...nel.org>
To:     Alexandre Mergnat <amergnat@...libre.com>
Cc:     Fabien Parent <fabien.parent@...aro.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Brown <broonie@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Lee Jones <lee@...nel.org>,
        Chen Zhong <chen.zhong@...iatek.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Pavel Machek <pavel@....cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-input@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Fabien Parent <fparent@...libre.com>,
        linux-rtc@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        devicetree@...r.kernel.org,
        Mattijs Korpershoek <mkorpershoek@...libre.com>
Subject: Re: [PATCH v4 2/9] dt-bindings: rtc: mediatek: convert MT6397 rtc
 documentation

On Tue, Nov 08, 2022 at 07:43:37PM +0100, Alexandre Mergnat wrote:
> - Convert rtc/rtc-mt6397.txt to rtc/mt6397-rtc.yaml
> - Add mediatek,mt6357-rtc compatible.
> - Add maintainer
> - Remove the .txt binding file
> 
> Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
> ---
>  Documentation/devicetree/bindings/mfd/mt6397.txt   |  2 +-
>  .../bindings/rtc/mediatek,mt6397-rtc.yaml          | 40 ++++++++++++++++++++++
>  .../devicetree/bindings/rtc/rtc-mt6397.txt         | 31 -----------------
>  3 files changed, 41 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..bb48c0150f95
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/mediatek,mt6397-rtc.yaml
> @@ -0,0 +1,40 @@
> + # 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/MT6357/MT6323 RTC
> +
> +maintainers:
> +  - 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.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt6323-rtc
> +      - mediatek,mt6357-rtc
> +      - mediatek,mt6358-rtc
> +      - mediatek,mt6366-rtc
> +      - mediatek,mt6397-rtc

As this is only a compatible string, just fold this into the MFD schema 
doc.

> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +
> +examples:
> +  - |
> +    pmic {
> +        compatible = "mediatek,mt6397";
> +
> +        rtc {
> +               compatible = "mediatek,mt6397-rtc";
> +        };
> +    };