Re: [PATCH 1/6] dt-bindings: rtc: abx80x: document ABX81X RTCs

[Conor Dooley <conor@kernel.org>]

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On Wed, Jul 22, 2026 at 09:58:09PM +0200, Antoni Pokusinski wrote:
> Abracon AB0815 and AB1815 are RTC modules with SPI interface.
> 
> Signed-off-by: Antoni Pokusinski <apokusinski01@gmail.com>
> ---
>  .../devicetree/bindings/rtc/abracon,abx80x.yaml   | 15 ++++++++++++++-
>  1 file changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
> index 355b0598411a..234a103724b5 100644
> --- a/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
> +++ b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
> @@ -4,7 +4,7 @@
>  $id: http://devicetree.org/schemas/rtc/abracon,abx80x.yaml#
>  $schema: http://devicetree.org/meta-schemas/core.yaml#
>  
> -title: Abracon ABX80X I2C ultra low power RTC/Alarm chip
> +title: Abracon ABX80X (I2C) and ABX81X (SPI) ultra low power RTC/Alarm chips
>  
>  maintainers:
>    - linux-rtc@vger.kernel.org
> @@ -21,10 +21,12 @@ properties:
>        - abracon,ab0803
>        - abracon,ab0804
>        - abracon,ab0805
> +      - abracon,ab0815
>        - abracon,ab1801
>        - abracon,ab1803
>        - abracon,ab1804
>        - abracon,ab1805
> +      - abracon,ab1815
>        - microcrystal,rv1805

No ref to spi-peripheral-properties.yaml? Do you not need any spi
properties, e.g. spi-max-frequency?

>  
>    reg:
> @@ -96,3 +98,14 @@ examples:
>              interrupts = <44 IRQ_TYPE_EDGE_FALLING>;
>          };
>      };
> +
> +  - |
> +    spi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        rtc@0 {
> +            compatible = "abracon,ab1815";
> +            reg = <0>;
> +        };
> +    };
> -- 
> 2.55.0
> 

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