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a=ed25519-sha256; t=1719282672; l=3102; i=yasin.lee.x@gmail.com; s=20240616; h=from:subject:message-id; bh=3SSgNwSALkBvixzqHG5CsjjXdzHy5W+AgBG7N1AKQDA=; b=SLS7Cn3/vmozNHIMqUHnTwWRznJRbFmVcrJiLdExqfbVc0Zx/uKzh2fOOtq20Ykgj7+9gjNJL r1UAST39bQtB+vAgrrsA5Y18ZUZkzuSr5f7pPVoI1rfkM4pGxjF5ON+ X-Developer-Key: i=yasin.lee.x@gmail.com; a=ed25519; pk=BU85jOyDTb45hxm+MZA26zg/m26xjGZhLgKrPSRtySI= A capacitive proximity sensor Acked-by: Conor Dooley Acked-by: Jonathan Cameron Acked-by: Krzysztof Kozlowski Reported-by： "Rob Herring (Arm)" Signed-off-by: Yasin Lee --- .../bindings/iio/proximity/tyhx,hx9023s.yaml | 107 +++++++++++++++++++++ 1 file changed, 107 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..6f338308664c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml @@ -0,0 +1,107 @@ +# 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 + +description: | + TYHX HX9023S proximity sensor. Datasheet can be found here: + http://www.tianyihexin.com/ueditor/php/upload/file/20240614/1718336303992081.pdf + +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. + + single-channel: true + + diff-channels: true + + oneOf: + - required: + - single-channel + - required: + - diff-channels + + required: + - reg + + additionalProperties: false + +required: + - compatible + - reg + - vdd-supply + +unevaluatedProperties: false + +examples: + - | + #include + 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>; + single-channel = <0>; + }; + channel@1 { + reg = <1>; + single-channel = <1>; + }; + channel@2 { + reg = <2>; + single-channel = <2>; + }; + channel@3 { + reg = <3>; + diff-channels = <1 0>; + }; + channel@4 { + reg = <4>; + diff-channels = <2 0>; + }; + }; + };