Re: [PATCH v2 1/2] dt-bindings: rtc: nxp,pcf8563: move pcf85263/pcf85363 to a dedicated binding

From: Krzysztof Kozlowski
Date: Wed Feb 15 2023 - 15:22:42 EST


On 15/02/2023 09:18, Javier Carrasco wrote:
> These Real Time Clocks are managed by the rtc-pcf85363 device driver,
> which now supports the quartz-load-femtofarads property.
>
> Signed-off-by: Javier Carrasco <javier.carrasco@xxxxxxxxxxxxxx>
> ---
> v2:
> - create new bindings instead of adding conditional properties to an
> existing one.
>
> .../devicetree/bindings/rtc/nxp,pcf85363.yaml | 60 +++++++++++++++++++
> .../devicetree/bindings/rtc/nxp,pcf8563.yaml | 2 -
> 2 files changed, 60 insertions(+), 2 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml
>
> diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml
> new file mode 100644
> index 000000000000..52aa3e2091e9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/nxp,pcf85363.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Philips PCF85263/PCF85363 Real Time Clock
> +
> +maintainers:
> + - Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> +
> +allOf:
> + - $ref: rtc.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - nxp,pcf85263
> + - nxp,pcf85363
> +
> + reg:
> + maxItems: 1
> +
> + "#clock-cells":
> + const: 0
> +
> + clock-output-names:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + quartz-load-femtofarads:
> + description:
> + The capacitive load of the quartz(x-tal).
> + enum: [6000, 7000, 12500]
> + default: 7000
> +
> + start-year: true
> + wakeup-source: true

You could drop these two and use "unevaluatedProperties: false" instead
of additionalProp - less coding and binding already will be prepared for
any new RTC common properties. But it is fine for me as is.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Best regards,
Krzysztof