[PATCH] dt-bindings: iio: light: Add PixArt PAJ7620 gesture sensor

[Harpreet Saini <sainiharpreet29@yahoo.com>]

Signed-off-by: Harpreet Saini <sainiharpreet29@yahoo.com>
---
This is part 1 of a 2-patch series proposing a driver for the PixArt
PAJ7620 gesture sensor. This patch adds the Device Tree bindings and 
registers the "pixart" vendor prefix. The driver patch will follow in 
a succeeding branch.

 .../bindings/iio/light/pixart,paj7620.yaml    | 48 +++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
 2 files changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/light/pixart,paj7620.yaml

diff --git a/Documentation/devicetree/bindings/iio/light/pixart,paj7620.yaml b/Documentation/devicetree/bindings/iio/light/pixart,paj7620.yaml
new file mode 100644
index 000000000000..301816485fcc
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/light/pixart,paj7620.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/light/pixart,paj7620.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: PixArt PAJ7620 Gesture Sensor
+
+maintainers:
+  - Harpreet Saini <sainiharpreet29@yahoo.com>
+
+description: |
+  The PixArt PAJ7620 is a gesture recognition sensor with an integrated
+  infrared LED and CMOS array. It communicates over an I2C interface and
+  provides gesture data via a dedicated interrupt pin.
+
+properties:
+  compatible:
+    const: pixart,paj7620
+
+  reg:
+    maxItems: 1
+    description: The I2C address of the sensor.
+
+  interrupts:
+    maxItems: 1
+    description: Interrupt mapping for the sensor's physical INT pin.
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        paj7620@73 {
+            compatible = "pixart,paj7620";
+            reg = <0x73>;
+            interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index ee7fd3cfe203..d73a0bf62b62 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -1273,6 +1273,8 @@ patternProperties:
     description: Pine64
   "^pineriver,.*":
     description: Shenzhen PineRiver Designs Co., Ltd.
+  "^pixart,.*":
+    description: PixArt Imaging Inc.
   "^pixcir,.*":
     description: PIXCIR MICROELECTRONICS Co., Ltd
   "^plantower,.*":
-- 
2.43.0