Re: [PATCH 1/2] dt-bindings: Add INA233 device

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On 06/01/2025 08:13, Leo Yang wrote:
> Add TI INA233 Current and Power Monitor bindings.

Please use subject prefixes matching the subsystem. You can get them for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching. For bindings, the preferred subjects are
explained here:
https://www.kernel.org/doc/html/latest/devicetree/bindings/submitting-patches.html#i-for-patch-submitters

> 
> Signed-off-by: Leo Yang <Leo-Yang@xxxxxxxxxxxx>
> ---
>  .../bindings/hwmon/pmbus/ti,ina233.yaml       | 57 +++++++++++++++++++
>  1 file changed, 57 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/pmbus/ti,ina233.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/ti,ina233.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/ti,ina233.yaml
> new file mode 100644
> index 000000000000..2677c98dadd1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/pmbus/ti,ina233.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +

Drop blank line

> +$id: http://devicetree.org/schemas/hwmon/pmbus/ti,ina233.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Texas Instruments INA233 of power/voltage/current monitors
> +
> +maintainers:
> +  - Leo Yang <Leo-Yang@xxxxxxxxxxxx>
> +
> +description: |
> +  INA233 High-Side or Low-Side Measurement, Bidirectional Current
> +  and Power Monitor With I2C-, SMBus-, and PMBus-Compatible Interface.
> +
> +  Datasheet: https://www.ti.com/lit/ds/symlink/ina233.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,ina233

This does not fit existing ti,ina bindings?

> +
> +  reg:
> +    maxItems: 1
> +
> +  shunt-resistor:
> +    description:
> +      Shunt resistor value in micro-Ohms, Please refer to the actual circuit
> +      resistor used.
> +    default: 2000

Which schema brings the $ref for this property?

> +
> +  current-lsb:
> +    description:
> +	    Calculate the Maximum Expected Current(A) / 2^15 in micro ampere (uA/bit).
> +	    e.g. 30A / 2^15 = 915 uA/bit
> +    default: 1000

Missing ref, missing vendor prefix and missing actual explanation what
it is for. I don't understand the description at all.

> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        power-sensor@40 {
> +            compatible = "ti,ina233";
> +            reg = <0x40>;
> +            shunt-resistor = /bits/ 32 <5000>;

Drop unusual syntax. Please take a look how all other bindings and DTS
is doing this.

> +            current-lsb = /bits/ 16 <1000>;
> +        };
> +    };
> \ No newline at end of file

You have patch errors.

Best regards,
Krzysztof




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