linux-kernel - Re: [PATCH v2 2/3] dt-bindings: rtc: Add Mstar SSD202D RTC

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Message-ID: <20230913-depress-bootlace-6b88bfd83966@spud>
Date:   Wed, 13 Sep 2023 19:30:22 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Romain Perier <romain.perier@...il.com>
Cc:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Daniel Palmer <daniel@...f.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-rtc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 2/3] dt-bindings: rtc: Add Mstar SSD202D RTC

On Wed, Sep 13, 2023 at 05:16:05PM +0200, Romain Perier wrote:
> Add YAML bindings for Mstar SSD202D RTC.
> 
> Signed-off-by: Romain Perier <romain.perier@...il.com>
> ---
>  .../bindings/rtc/mstar,ssd202d-rtc.yaml       | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/rtc/mstar,ssd202d-rtc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/rtc/mstar,ssd202d-rtc.yaml b/Documentation/devicetree/bindings/rtc/mstar,ssd202d-rtc.yaml
> new file mode 100644
> index 000000000000..4c1f22ef5a2c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/mstar,ssd202d-rtc.yaml
> @@ -0,0 +1,35 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/mstar,ssd202d-rtc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mstar SSD202D Real Time Clock
> +
> +maintainers:
> +  - Daniel Palmer <daniel@...f.com>
> +  - Romain Perier <romain.perier@...il.com>
> +
> +allOf:
> +  - $ref: rtc.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mstar,ssd202d-rtc
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg

So, this seems fine to me in isolation, but isn't this now the sort of
thing that can be documented in trivial-rtc.yaml?
Its only got compatible & reg, which seems to fit the bill for that.

Apologies if I am missing something,
Conor.

> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    rtc@...0 {
> +        compatible = "mstar,ssd202d-rtc";
> +        reg = <0x6800 0x200>;
> +    };
> +...
> -- 
> 2.39.2
> 

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