linux-kernel - Re: [PATCH 2/2] dt-bindings: iio: light: add support for Vishay VEML6075

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Date:   Sun, 19 Nov 2023 14:30:28 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Javier Carrasco <javier.carrasco.cruz@...il.com>
Cc:     Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: iio: light: add support for Vishay
 VEML6075

On Sun, 19 Nov 2023 05:58:04 +0100
Javier Carrasco <javier.carrasco.cruz@...il.com> wrote:

> The Vishay VEML6075 is a 16-bit digital UVA and UVB sensor with I2C
> interface.
> 
> Add bindings and an example for the Vishay VEML6075.
> 
> Signed-off-by: Javier Carrasco <javier.carrasco.cruz@...il.com>

Hmm. This is a very simple device and we have a bunch of similar vishay light
sensor bindings. One option here would be to combine all the binding
docs and add an explicit check for no interrupts being specified for this
compatible.

Perhaps that should be a follow up patch though given how simple this is
and a desire to not slow down merging the driver.

One comment inline,

Jonathan


> ---
>  .../bindings/iio/light/vishay,veml6075.yaml        | 40 ++++++++++++++++++++++
>  1 file changed, 40 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml b/Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml
> new file mode 100644
> index 000000000000..f8e2db29af42
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/light/vishay,veml6075.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/light/vishay,veml6075.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Vishay VEML6075 UVA and UVB sensor
> +
> +maintainers:
> +  - Javier Carrasco <javier.carrasco.cruz@...il.com>
> +
> +properties:
> +  compatible:
> +    const: vishay,veml6075
> +
> +  reg:
> +    maxItems: 1
> +
> +  vdd-supply:
> +    description: Regulator that provides power to the sensor

The description doesn't really add anything.
  vdd-supply: true

is sufficient.

> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        uv-sensor@10 {
> +            compatible = "vishay,veml6075";
> +            reg = <0x10>;
> +            vdd-supply = <&vdd_reg>;
> +        };
> +    };
> +...
>