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Date:   Tue, 15 Jun 2021 17:35:02 -0600
From:   Rob Herring <robh@kernel.org>
To:     Andre Przywara <andre.przywara@arm.com>
Cc:     Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Icenowy Zheng <icenowy@aosc.io>,
        Samuel Holland <samuel@sholland.org>,
        linux-arm-kernel@lists.infradead.org, linux-sunxi@googlegroups.com,
        linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
        Ondrej Jirman <megous@megous.com>, devicetree@vger.kernel.org,
        Alessandro Zummo <a.zummo@towertech.it>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        linux-rtc@vger.kernel.org
Subject: Re: [PATCH v7 03/19] dt-bindings: rtc: sun6i: Add H616 compatible
 string
Message-ID: <20210615233502.GA1630203@robh.at.kernel.org>
References: <20210615110636.23403-1-andre.przywara@arm.com>
 <20210615110636.23403-4-andre.przywara@arm.com>
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On Tue, Jun 15, 2021 at 12:06:20PM +0100, Andre Przywara wrote:
> Add the obvious compatible name to the existing RTC binding.
> The actual RTC part of the device uses a different day/month/year
> storage scheme, so it's not compatible with the previous devices.
> Also the clock part is quite different, as there is no external 32K LOSC
> oscillator input.
> 
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
> ---
>  .../bindings/rtc/allwinner,sun6i-a31-rtc.yaml     | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
> index b1b0ee769b71..2c3fd72e17ee 100644
> --- a/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
> +++ b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
> @@ -26,6 +26,7 @@ properties:
>            - const: allwinner,sun50i-a64-rtc
>            - const: allwinner,sun8i-h3-rtc
>        - const: allwinner,sun50i-h6-rtc
> +      - const: allwinner,sun50i-h616-rtc
>  
>    reg:
>      maxItems: 1
> @@ -105,6 +106,20 @@ allOf:
>            minItems: 3
>            maxItems: 3
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: allwinner,sun50i-h616-rtc
> +
> +    then:
> +      properties:
> +        clock-output-names:
> +          minItems: 3
> +          maxItems: 3
> +        clocks:
> +          maxItems: 0

clocks: false

if forbidding clocks is what you want.

> +
>    - if:
>        properties:
>          compatible:
> -- 
> 2.17.5