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Date: Tue, 30 Apr 2024 09:47:16 +0200
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Subject: Re: [PATCH v3 1/2] dt-bindings: hwmon: Add Sophgo SG2042 external
 hardware monitor support
To: Inochi Amaoto <inochiama@outlook.com>, Jean Delvare <jdelvare@suse.com>,
 Guenter Roeck <linux@roeck-us.net>, Rob Herring <robh@kernel.org>,
 Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley
 <conor+dt@kernel.org>, Chen Wang <unicorn_wang@outlook.com>,
 Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt
 <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>
Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
 linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org
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 <IA1PR20MB4953EF54DBF6D5681C27014BBB1B2@IA1PR20MB4953.namprd20.prod.outlook.com>
From: Krzysztof Kozlowski <krzk@kernel.org>
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On 29/04/2024 14:03, Inochi Amaoto wrote:
> Due to the design, Sophgo SG2042 use an external MCU to provide
> hardware information, thermal information and reset control.
> 
> Add bindings for this monitor device.
> 
> Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
> ---
>  .../hwmon/sophgo,sg2042-hwmon-mcu.yaml        | 40 +++++++++++++++++++
>  1 file changed, 40 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml b/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml
> new file mode 100644
> index 000000000000..64a8403aaab8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/sophgo,sg2042-hwmon-mcu.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/sophgo,sg2042-hwmon-mcu.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sophgo SG2042 onboard MCU support
> +
> +maintainers:
> +  - Inochi Amaoto <inochiama@outlook.com>
> +
> +properties:
> +  compatible:
> +    const: sophgo,sg2042-hwmon-mcu
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#thermal-sensor-cells":
> +    const: 1

This looks like thermal sensor, so you miss ref to thermal-sensor.yaml
in top-level. Just like other sensors.

> +
> +required:
> +  - compatible
> +  - reg
> +  - "#thermal-sensor-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        syscon@17 {

Are you sure this is syscon? Title says mcu, compatible says hwmon...


Best regards,
Krzysztof