linux-kernel - [PATCH 2/2] dt-bindings: iio: adc: ad7291: add binding

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Date:   Tue, 17 Mar 2020 08:56:49 -0500
From:   Michael Auchter <michael.auchter@...com>
To:     Jonathan Cameron <jic23@...nel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Michael Auchter <michael.auchter@...com>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] dt-bindings: iio: adc: ad7291: add binding

Add device-tree binding for ADI AD7291 ADC.

Signed-off-by: Michael Auchter <michael.auchter@...com>
---
 .../bindings/iio/adc/adi,ad7291.yaml          | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad7291.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7291.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7291.yaml
new file mode 100644
index 000000000000..93aa29413049
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7291.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/adi,ad7291.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AD7291 8-Channel, I2C, 12-Bit SAR ADC with Temperature Sensor
+
+maintainers:
+  - Michael Auchter <michael.auchter@...com>
+
+description: |
+  Analog Devices AD7291 8-Channel I2C 12-Bit SAR ADC with Temperature Sensor
+  https://www.analog.com/media/en/technical-documentation/data-sheets/ad7291.pdf
+
+properties:
+  compatible:
+    enum:
+      - adi,ad7291
+
+  reg:
+    maxItems: 1
+
+  vref-supply:
+    description: |
+      The regulator supply for ADC reference voltage.
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      ad7291: adc@0 {
+        compatible = "adi,ad7291";
+        reg = <0>;
+        vref-supply = <&adc_vref>;
+      };
+    };
+
-- 
2.24.1