[PATCH 1/2] dt-bindings: iio: adc: ti,ads7038: Add description for ADS7038

[werneazc@gmail.com]

From: Andre Werner <andre.werner@systec-electronic.com>

Signed-off-by: Andre Werner <andre.werner@systec-electronic.com>
---
 .../bindings/iio/adc/ti,ads7038.yaml          | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads7038.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads7038.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads7038.yaml
new file mode 100644
index 000000000000..37fbae95c8e6
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/ti,ads7038.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/ti,ads7038.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments ADS7038 and similar ADCs
+
+maintainers:
+  - Andre Werner <andre.werner@systec-electronic.com>
+
+description: |
+  Family of 7 channel, 12 bit ADCs with SPI/I2C interface.
+  
+  Datasheet: https://www.ti.com/lit/gpn/ads7038
+
+properties:
+  compatible:
+    enum:
+      - ti,ads7038
+      - ti,ads7138
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 60000000
+
+  vref-supply:
+    description: Supplies the 2.5V or 5V reference voltage
+
+required:
+  - compatible
+  - reg
+  - vref-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        adc@0 {
+            compatible = "ti,ads7038";
+            reg = <0>;
+            vref-supply = <&refin_supply>;
+            spi-max-frequency = <10000000>;
+        };
+    };
-- 
2.42.0