dt-bindings: hwmon: lltc,ltc4151: convert to dtschema

Convert the LTC4151 current and voltage sensor bindings to DT schema
format.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210921102832.143352-4-krzysztof.kozlowski@canonical.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Documentation/devicetree/bindings/hwmon/lltc,ltc4151.yaml

@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-2.0-only or BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/lltc,ltc4151.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LTC4151 High Voltage I2C Current and Voltage Monitor
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+properties:
+  compatible:
+    const: lltc,ltc4151
+
+  reg:
+    maxItems: 1
+
+  shunt-resistor-micro-ohms:
+    description:
+      Shunt resistor value in micro-Ohms
+    default: 1000
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        sensor@6e {
+            compatible = "lltc,ltc4151";
+            reg = <0x6e>;
+            shunt-resistor-micro-ohms = <1500>;
+        };
+    };

Documentation/devicetree/bindings/hwmon/ltc4151.txt

@@ -1,18 +0,0 @@
-LTC4151 High Voltage I2C Current and Voltage Monitor
-
-Required properties:
-- compatible: Must be "lltc,ltc4151"
-- reg: I2C address
-
-Optional properties:
-- shunt-resistor-micro-ohms
-	Shunt resistor value in micro-Ohms
-	Defaults to <1000> if unset.
-
-Example:
-
-ltc4151@6e {
-	compatible = "lltc,ltc4151";
-	reg = <0x6e>;
-	shunt-resistor-micro-ohms = <1500>;
-};