[PATCH v1 2/3] dt-bindings: hwmon: add microchip,emc2306.yaml dt binding description.

[<michaelsh@nvidia.com>]

From: Michael Shych <michaelsh@nvidia.com>

Add basic description of emc2305 driver device tree binding.

Signed-off-by: Michael Shych <michaelsh@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
---
 .../bindings/hwmon/microchip,emc2305.yaml          | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
new file mode 100644
index 000000000000..c873172b7268
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/emc2305.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip EMC2305 RPM-based PWM Fan Speed Controller
+
+properties:
+  compatible:
+    enum:
+      - microcip,emc2305
+
+  emc2305,pwm-min:
+    description:
+      Min pwm of emc2305
+    maxItems: 1
+  emc2305,pwm-max:
+    description:
+      Max pwm of emc2305
+    maxItems: 1
+  emc2305,pwm-channel:
+    description:
+      Max number of pwm channels
+    maxItems: 1
+  emcs205,max-state:
+    description:
+    maxItems: 1
+  emc2305,cooling-levels:
+    description:
+      Quantity of cooling level state.
+    maxItems: 1
+
+required:
+  - compatible
+
+optional:
+  - emc2305,min-pwm
+  - emc2305,max-pwm
+  - emc2305,pwm-channels
+  - emc2305,cooling-levels
+
+additionalProperties: false
+
+examples:
+  - |
+    fan {
+        emc2305,compatible = "microchip,emc2305";
+        emc2305,pwm-min = <0>;
+        emc2305,pwm-max = <255>;
+        emc2305,pwm-channel = <5>
+        emc2305,cooling-levels = <10>;
+    };
+
-- 
2.14.1