[PATCH v4 1/2] dt-bindings:iio:proximity: Add hx9023s binding

[Yasin Lee]

From: Yasin Lee <yasin.lee.x@xxxxxxxxx>

A capacitive proximity sensor

Signed-off-by: Yasin Lee <yasin.lee.x@xxxxxxxxx>
---
 .../bindings/iio/proximity/tyhx,hx9023s.yaml  | 103 ++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 2 files changed, 105 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml

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..50bf2849d823
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml
@@ -0,0 +1,103 @@
+# 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
+
+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
+
+  channel-in-use:
+    description: |
+      Bit flag indicating which channels are used,
+      depends on the hardware circuit design.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+patternProperties:
+  "^channel@[0-9]+$":
+    type: object
+    properties:
+      reg:
+        description: Channel register address
+        $ref: /schemas/types.yaml#/definitions/uint32
+      channel-positive:
+        description: Positive channel assignments
+        $ref: /schemas/types.yaml#/definitions/uint32
+      channel-negative:
+        description: Negative channel assignments
+        $ref: /schemas/types.yaml#/definitions/uint32
+    required:
+      - reg
+      - channel-positive
+      - channel-negative
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+      hx9023s@2a {
+        compatible = "tyhx,hx9023s";
+        reg = <0x2a>;
+        interrupt-parent = <&pio>;
+        interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
+        vdd-supply = <&pp1800_prox>;
+        channel-in-use = <0x1F>;
+        channel@0 {
+          reg = <0>;
+          channel-positive = <0>;
+          channel-negative = <255>;
+        };
+        channel@1 {
+          reg = <1>;
+          channel-positive = <1>;
+          channel-negative = <255>;
+        };
+        channel@2 {
+          reg = <2>;
+          channel-positive = <2>;
+          channel-negative = <255>;
+        };
+        channel@3 {
+          reg = <3>;
+          channel-positive = <3>;
+          channel-negative = <255>;
+        };
+        channel@4 {
+          reg = <4>;
+          channel-positive = <4>;
+          channel-negative = <255>;
+        };
+      };
+    };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index b97d298b3eb6..e2224eea9ab9 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1507,6 +1507,8 @@ patternProperties:
     description: Turing Machines, Inc.
   "^tyan,.*":
     description: Tyan Computer Corporation
+  "^tyhx,.*":
+    description: NanjingTianyihexin Electronics Ltd.
   "^u-blox,.*":
     description: u-blox
   "^u-boot,.*":
-- 
2.25.1