Add devicetree binding documentation for the Analog Devices
ADIS16203 Programmable 360 Degrees Inclinometer, in preparation
for moving the driver out of staging.

Signed-off-by: Sheng Kun Chang <nothingchang@mirrorstack.ai>
---
 .../bindings/iio/accel/adi,adis16203.yaml     | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/accel/adi,adis16203.yaml

diff --git a/Documentation/devicetree/bindings/iio/accel/adi,adis16203.yaml b/Documentation/devicetree/bindings/iio/accel/adi,adis16203.yaml
new file mode 100644
index 000000000..6c5e2833c
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/accel/adi,adis16203.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/accel/adi,adis16203.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ADIS16203 Programmable 360 Degrees Inclinometer
+
+maintainers:
+  - Jonathan Cameron <jic23@kernel.org>
+
+description: |
+  Programmable 360 degrees inclinometer with SPI interface.
+    https://www.analog.com/en/products/adis16203.html
+
+properties:
+  compatible:
+    const: adi,adis16203
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  vdd-supply: true
+
+required:
+  - compatible
+  - reg
+
+allOf:
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        inclinometer@0 {
+            compatible = "adi,adis16203";
+            reg = <0>;
+            spi-max-frequency = <2500000>;
+            interrupt-parent = <&gpio0>;
+            interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+        };
+    };
+...
-- 
2.43.0