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

[Yasin Lee]

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