linux-kernel - Re: [PATCH 10/10] dt-bindings: rtc: pcf2127: add PCF2131 INT_A and INT

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Message-ID: <YgMy/CYL8lmf6Y+J@robh.at.kernel.org>
Date:   Tue, 8 Feb 2022 21:20:28 -0600
From:   Rob Herring <robh@...nel.org>
To:     Hugo Villeneuve <hugo@...ovil.com>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Hugo Villeneuve <hvilleneuve@...onoff.com>,
        linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 10/10] dt-bindings: rtc: pcf2127: add PCF2131 INT_A and
 INT_B support

On Tue, Jan 25, 2022 at 03:00:09PM -0500, Hugo Villeneuve wrote:
> From: Hugo Villeneuve <hvilleneuve@...onoff.com>
> 
> The PCF2131 has two output interrupt pins, named INT_A and INT_B.
> 
> Add properties to identify onto which pin we want the alarm interrupt
> to be routed. It can be either one, or both.
> 
> These properties are automatically set to false for variants other
> than PCF2131 (ex: PCF2127).
> 
> Signed-off-by: Hugo Villeneuve <hvilleneuve@...onoff.com>
> ---
>  .../devicetree/bindings/rtc/nxp,pcf2127.yaml  | 23 +++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
> index 57eb0a58afa3..83656dd2f97f 100644
> --- a/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
> +++ b/Documentation/devicetree/bindings/rtc/nxp,pcf2127.yaml
> @@ -24,6 +24,16 @@ properties:
>    interrupts:
>      maxItems: 1
>  
> +  alarm-output-a:

nxp,alarm-output-a

> +    $ref: /schemas/types.yaml#/definitions/flag
> +    description:
> +      Enable alarm interrupt on INT_A output pin.
> +
> +  alarm-output-b:
> +    $ref: /schemas/types.yaml#/definitions/flag
> +    description:
> +      Enable alarm interrupt on INT_B output pin.
> +
>    start-year: true
>  
>    reset-source: true
> @@ -32,6 +42,18 @@ required:
>    - compatible
>    - reg
>  
> +if:
> +  not:
> +    properties:
> +      compatible:
> +        contains:
> +          enum:
> +            - nxp,pcf2131
> +then:
> +  properties:
> +    alarm-output-a: false
> +    alarm-output-b: false
> +
>  additionalProperties: false
>  
>  examples:
> @@ -62,6 +84,7 @@ examples:
>              pinctrl-0 = <&rtc_nint_pins>;
>              interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>;
>              reset-source;
> +            alarm-output-b;
>          };
>      };
>  
> -- 
> 2.30.2
> 
>