linux-kernel - Re: [PATCH 2/2] dt-bindings: rtc: nxp,pcf8563: add quartz-load-femtofarads for pcf85263 and pcf85363

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Message-ID: <Y+pur70KB7wWRCCi@mail.local>
Date:   Mon, 13 Feb 2023 18:09:03 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Javier Carrasco <javier.carrasco@...fvision.net>
Cc:     linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Riesch <michael.riesch@...fvision.net>
Subject: Re: [PATCH 2/2] dt-bindings: rtc: nxp,pcf8563: add
 quartz-load-femtofarads for pcf85263 and pcf85363

Hello,

Krzysztof's confusion is because you are changing the binding for
nxp,pcf8563 while adding support for the nxp,pcf85263/nxp,pcf85363

On 13/02/2023 10:50:18+0100, Javier Carrasco wrote:
> These RTCs are handled by the pcf85363 device driver, which now supports
> the quartz-load-femtofarads property.
> 
> Signed-off-by: Javier Carrasco <javier.carrasco@...fvision.net>
> ---
>  .../devicetree/bindings/rtc/nxp,pcf8563.yaml  | 20 ++++++++++++++++---
>  1 file changed, 17 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
> index a98b72752349..aac7f7565ba7 100644
> --- a/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
> +++ b/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
> @@ -9,9 +9,6 @@ title: Philips PCF8563/Epson RTC8564 Real Time Clock
>  maintainers:
>    - Alexandre Belloni <alexandre.belloni@...tlin.com>
>  
> -allOf:
> -  - $ref: rtc.yaml#
> -
>  properties:
>    compatible:
>      enum:
> @@ -37,6 +34,23 @@ properties:
>    start-year: true
>    wakeup-source: true
>  
> +allOf:
> +  - $ref: rtc.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - nxp,pcf85263
> +              - nxp,pcf85363
> +    then:
> +      properties:
> +        quartz-load-femtofarads:
> +          description:
> +            The capacitive load of the quartz(x-tal).
> +          enum: [6000, 7000, 12500]
> +          default: 7000
> +
>  required:
>    - compatible
>    - reg
> -- 
> 2.37.2
> 
> 
> Javier Carrasco 
> Research and Development
> 
> Wolfvision GmbH 
> Oberes Ried 14 | 6833 Klaus | Austria 
> Tel: +43 5523 52250 <tel:+43552352250> | Mail: javier.carrasco@...fvision.net <mailto:javier.carrasco@...fvision.net>
> 
> Website: wolfvision.com <www.wolfvision.com> 
> Firmenbuch / Commercial Register: FN283521v Feldkirch/Austria
> 

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com