[PATCH v4 2/2] dt-bindings: iio: ad779x: Add binding document

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New binding documentation for AD799x series of I²C ADC ICs.

Signed-off-by: Florian Boor <florian.boor@xxxxxxxxxxxxxxxxx>
---
 .../bindings/iio/adc/adi,ad799x.yaml          | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml
new file mode 100644
index 000000000000..66de61050deb
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad799x.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad799x.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices AD7991, AD7992, AD7993, AD7994, AD7995, AD7997, AD7998,
+       AD7999 and similar analog to digital converters
+
+maintainers:
+  - Michael Hennerich, Analog Devices Inc. <Michael.Hennerich@xxxxxxxxxx>
+
+description: |
+  Specifications on the converters can be found at:
+    AD7991, AD7995, AD7999:
+      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7991_7995_7999.pdf
+    AD7992:
+      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7992.pdf
+    AD7993, AD7994:
+      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7993_7994.pdf
+    AD7997, AD7998:
+      https://www.analog.com/media/en/technical-documentation/data-sheets/AD7997_7998.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,ad7991
+      - adi,ad7992
+      - adi,ad7993
+      - adi,ad7994
+      - adi,ad7995
+      - adi,ad7997
+      - adi,ad7998
+      - adi,ad7999
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  vcc-supply:
+    description:
+      ADC power supply
+
+  vref-supply:
+    description:
+      ADC reference voltage supply, optional for AD7991, AD7995 and AD7999
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+        adc1: ad7991@28 {
+                reg = <0x28>;
+                compatible = "adi,ad7991";
+                interrupts = <13 2>;
+                interrupt-parent = <&gpio6>;
+
+                vcc-supply = <&vcc_3v3>;
+                vref-supply = <&adc_vref>;
+        };
+...
-- 
2.30.2




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