1 files changed, 23 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
index 5d33f1a23d03..eb00756988be 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
@@ -28,6 +28,23 @@ properties:
   i2c-mux:
     type: object
 
+  fan:
+    $ref: fan-common.yaml#
+    unevaluatedProperties: false
+
+    properties:
+      cooling-levels:
+        description: PWM duty cycle values corresponding to thermal cooling states.
+        items:
+          maximum: 255
+
+  "#pwm-cells":
+    const: 2
+    description: |
+      Number of cells in a PWM specifier.
+      - cell 0: PWM period in nanoseconds
+      - cell 1: PWM polarity: 0 or PWM_POLARITY_INVERTED
+
 required:
   - compatible
   - reg
@@ -50,9 +67,14 @@ examples:
         #address-cells = <1>;
         #size-cells = <0>;
 
-        fan@18 {
+        fan_controller: fan@18 {
             compatible = "ti,amc6821";
             reg = <0x18>;
+            #pwm-cells = <2>;
+
+            fan {
+                pwms = <&fan_controller 40000 0>;
+            };
         };
     };