linux-kernel - Re: [PATCH v6 2/3] dt-bindings: iio: proximity: Add TYHX HX9023S

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Date: Fri, 21 Jun 2024 12:12:35 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Yasin Lee <yasin.lee.x@...il.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Jonathan Cameron <jic23@...nel.org>,
 Lars-Peter Clausen <lars@...afoo.de>, yasin.lee.x@...look.com
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-iio@...r.kernel.org
Subject: Re: [PATCH v6 2/3] dt-bindings: iio: proximity: Add TYHX HX9023S

On 21/06/2024 09:40, Yasin Lee wrote:
> A capacitive proximity sensor
> 
> Signed-off-by: Yasin Lee <yasin.lee.x@...il.com>
> ---
>  .../bindings/iio/proximity/tyhx,hx9023s.yaml       | 115 +++++++++++++++++++++
>  1 file changed, 115 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml
> new file mode 100644
> index 000000000000..beca70ce7609
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml
> @@ -0,0 +1,115 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/proximity/tyhx,hx9023s.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TYHX HX9023S capacitive proximity sensor
> +
> +maintainers:
> +  - Yasin Lee <yasin.lee.x@...il.com>
> +
> +description: |
> +  TYHX HX9023S proximity sensor. Datasheet can be found here:
> +    http://www.tianyihexin.com/ueditor/php/upload/file/20240614/1718336303992081.pdf
> +
> +allOf:
> +  - $ref: /schemas/iio/iio.yaml#

Which part of iio.yaml binding do you use here? I cannot find anything,
so this looks wrong.	

> +
> +properties:
> +  compatible:
> +    const: tyhx,hx9023s
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    description:
> +      Generated by device to announce preceding read request has finished
> +      and data is available or that a close/far proximity event has happened.
> +    maxItems: 1
> +
> +  vdd-supply: true
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +patternProperties:
> +  "^channel@[0-4]$":
> +    $ref: /schemas/iio/adc/adc.yaml
> +    type: object
> +
> +    properties:
> +      reg:
> +        minimum: 0
> +        maximum: 4
> +        description: The channel number.
> +
> +      input-channel:

Isn't this duplicating single-channel property?

Where is this property defined (which common schema)?

> +        $ref: /schemas/types.yaml#/definitions/uint32
> +        minimum: 0
> +        maximum: 4
> +        description:
> +          Specify the input pin used in single-ended configuration.
> +
> +      diff-channels: true
> +
> +    oneOf:
> +      - required:
> +          - input-channel
> +      - required:
> +          - diff-channels
> +
> +    required:
> +      - reg
> +
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +  - vdd-supply
> +  - reg

Keep the same order as in properties.

> +
> +unevaluatedProperties: false
> +


Best regards,
Krzysztof