Re: [PATCH v5 2/2] dt-bindings: rtc: add max313xx RTCs

From: Krzysztof Kozlowski
Date: Tue Apr 04 2023 - 09:10:45 EST


On 03/04/2023 17:43, Ibrahim Tilki wrote:
> Devicetree binding documentation for Analog Devices MAX313XX RTCs
>
> Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@xxxxxxxxxx>
> Signed-off-by: Zeynep Arslanbenzer <Zeynep.Arslanbenzer@xxxxxxxxxx>
> ---
> .../devicetree/bindings/rtc/adi,max313xx.yaml | 144 ++++++++++++++++++
> 1 file changed, 144 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/rtc/adi,max313xx.yaml
>
> diff --git a/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml
> new file mode 100644
> index 000000000..0c17a395e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml
> @@ -0,0 +1,144 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2022 Analog Devices Inc.
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/adi,max313xx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices MAX313XX series I2C RTCs
> +
> +maintainers:
> + - Ibrahim Tilki <Ibrahim.Tilki@xxxxxxxxxx>
> + - Zeynep Arslanbenzer <Zeynep.Arslanbenzer@xxxxxxxxxx>
> +
> +description: Analog Devices MAX313XX series I2C RTCs.
> +
> +properties:
> + compatible:
> + enum:
> + - adi,max31328
> + - adi,max31329
> + - adi,max31331
> + - adi,max31334
> + - adi,max31341
> + - adi,max31342
> + - adi,max31343
> +
> + reg:
> + description: I2C address of the RTC
> + items:
> + - enum: [0x68, 0x69]
> +
> + interrupts:
> + description: |
> + Alarm1 interrupt line of the RTC. Some of the RTCs have two interrupt
> + lines and alarm1 interrupt muxing depends on the clockin/clockout
> + configuration.
> + maxItems: 1
> +
> + "#clock-cells":
> + description: |
> + RTC can be used as a clock source through its clock output pin when
> + supplied.

This part is correct, but your implementation is not. I don't think you
can disable or enable interrupts, based on usage of clock. Either this
is clock (gated or not) or interrupt, not both.


Best regards,
Krzysztof