[PATCH v3 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  | 106 ++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 2 files changed, 108 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..ba4d7343bb30
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/proximity/tyhx,hx9023s.yaml
@@ -0,0 +1,106 @@
+# 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:
+    description: Main power supply
+
+  accuracy:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Accuracy level of the sensor
+
+  channel-used-flag:
+    description: Bit flag indicating which channels are used
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  odr:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Set ODR for all channenls.
+
+  integration-sample:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Set Integration number and Sample number for each channenl.
+
+  osr:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: Set number of OSR for each channenl.
+
+  avg:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: Set number of AVG for each channenl.
+
+  lp-alpha:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: Set lp-alpha for each channenl.
+
+  cs-position:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      Position of the CS pins.
+      Indicates the corresponding bit for each CS pin in the register.
+
+  channel-positive:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: Positive channel assignments. Use 255 for not connected
+
+  channel-negative:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description: |
+      Negative channel assignments. Use 255 for not connected
+
+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>;
+        accuracy = <16>;
+        channel-used-flag = <0x1F>;
+        odr = <0x17>;
+        integration-sample = <0x0065>;
+        osr = <0x4 0x4 0x4 0x0 0x0>;
+        avg = <0x3 0x3 0x3 0x0 0x0>;
+        lp-alpha = <0x8 0x8 0x8 0x8 0x2>;
+        cs-position = <0 2 4 6 8>;
+        channel-positive = <0 1 2 3 4>;
+        channel-negative = <255 255 255 255 255>;
+      };
+    };
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