dt-bindings: hwmon: convert TI INA2xx bindings to dt-schema

Convert the TI INA2xx bindings to dt-schema.
Signed-off-by: NKrzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: NRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20201117220807.208747-1-krzk@kernel.orgSigned-off-by: NGuenter Roeck <linux@roeck-us.net>

Documentation/devicetree/bindings/hwmon/ina2xx.txt

-ina2xx properties
-
-Required properties:
-- compatible: Must be one of the following:
-	- "ti,ina209" for ina209
-	- "ti,ina219" for ina219
-	- "ti,ina220" for ina220
-	- "ti,ina226" for ina226
-	- "ti,ina230" for ina230
-	- "ti,ina231" for ina231
-- reg: I2C address
-
-Optional properties:
-
-- shunt-resistor
-	Shunt resistor value in micro-Ohm
-
-Example:
-
-ina220@44 {
-	compatible = "ti,ina220";
-	reg = <0x44>;
-	shunt-resistor = <1000>;
-};

Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml

+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/ti,ina2xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments INA209 family of power/voltage monitors
+
+maintainers:
+  - Krzysztof Kozlowski <krzk@kernel.org>
+
+description: |
+  The INA209 is a high-side current shunt and power monitor with
+  an I2C interface.
+
+  Datasheets:
+    https://www.ti.com/product/INA209
+
+properties:
+  compatible:
+    enum:
+      - ti,ina209
+      - ti,ina219
+      - ti,ina220
+      - ti,ina226
+      - ti,ina230
+      - ti,ina231
+
+  reg:
+    maxItems: 1
+
+  shunt-resistor:
+    description:
+      Shunt resistor value in micro-Ohm.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        power-sensor@44 {
+            compatible = "ti,ina220";
+            reg = <0x44>;
+            shunt-resistor = <1000>;
+        };
+    };

MAINTAINERS

@@ -8623,7 +8623,7 @@ INA209 HARDWARE MONITOR DRIVER
 M:	Guenter Roeck <linux@roeck-us.net>
 L:	linux-hwmon@vger.kernel.org
 S:	Maintained
-F:	Documentation/devicetree/bindings/hwmon/ina2xx.txt
+F:	Documentation/devicetree/bindings/hwmon/ti,ina2xx.yaml
 F:	Documentation/hwmon/ina209.rst
 F:	drivers/hwmon/ina209.c