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

From: Krzysztof Kozlowski
Date: Fri Jun 21 2024 - 06:16:38 EST


On 21/06/2024 09:40, Yasin Lee wrote:
> A capacitive proximity sensor
>
> Signed-off-by: Yasin Lee <yasin.lee.x@xxxxxxxxx>
> ---
> .../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@xxxxxxxxx>
> +
> +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