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: + - $ref: /schemas/iio/iio.yaml# + +properties: + compatible: + const: tyhx,hx9023s + + reg: + maxItems: 1 + + interrupts: + description: + Generated by device to announce preceding read request has finished + and data is available or that a close/far proximity event has happened. + maxItems: 1 + + vdd-supply: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^channel@[0-4]$": + $ref: /schemas/iio/adc/adc.yaml + type: object + + properties: + reg: + minimum: 0 + maximum: 4 + description: The channel number. + + input-channel: + $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 + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + proximity@2a { + compatible = "tyhx,hx9023s"; + reg = <0x2a>; + interrupt-parent = <&pio>; + interrupts = <16 IRQ_TYPE_EDGE_FALLING>; + vdd-supply = <&pp1800_prox>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@0 { + reg = <0>; + input-channel = <0>; + }; + channel@1 { + reg = <1>; + input-channel = <1>; + }; + channel@2 { + reg = <2>; + input-channel = <2>; + }; + channel@3 { + reg = <3>; + diff-channels = <1 0>; + }; + channel@4 { + reg = <4>; + diff-channels = <2 0>; + }; + }; + }; -- 2.25.1
