linux-kernel - Re: [PATCH v2 1/2] [PATCH v1 1/2] dt-bindings: hwmon: add MAX31827

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Date:   Thu, 13 Apr 2023 09:49:02 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Daniel Matyas <daniel.matyas@...log.com>
Cc:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jonathan Corbet <corbet@....net>, linux-hwmon@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH v2 1/2] [PATCH v1 1/2] dt-bindings: hwmon: add MAX31827

On 12/04/2023 17:33, Daniel Matyas wrote:
> MAX31827 is a low-power temperature switch with I2C interface.
> 
> The device is a ±1°C accuracy from -40°C to +125°C
> (12 bits) local temperature switch and sensor with I2C/SM-
> Bus interface. The combination of small 6-bump wafer-lev-
> el package (WLP) and high accuracy makes this temper-
> ature sensor/switch ideal for a wide range of applications.
> 
> Signed-off-by: Daniel Matyas <daniel.matyas@...log.com>
> ---
>  .../bindings/hwmon/adi,max31827.yaml          | 51 +++++++++++++++++++
>  MAINTAINERS                                   |  7 +++
>  2 files changed, 58 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml b/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
> new file mode 100644
> index 000000000000..37177eb9c039
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/adi,max31827.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/adi,max31827.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices MAX31827, MAX31828, MAX31829 Low-Power Temperature Switch
> +
> +maintainers:
> +  - Daniel Matyas <daniel.matyas@...log.com>
> +
> +description: |
> +  Analog Devices MAX31827, MAX31828, MAX31829 Low-Power Temperature Switch with
> +  I2C Interface
> +  https://www.analog.com/media/en/technical-documentation/data-sheets/MAX31827-MAX31829.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,max31827
> +      - adi,max31828
> +      - adi,max31829

Why suddenly these are all incompatible? This is not what I suggested.

> +
> +  reg:
> +    maxItems: 1
> +

Best regards,
Krzysztof