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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/ti,amc6821.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: AMC6821 Intelligent Temperature Monitor and PWM Fan Controller
+
+maintainers:
+  - Farouk Bouabid <farouk.bouabid@cherry.de>
+  - Quentin Schulz <quentin.schulz@cherry.de>
+
+description:
+  Intelligent temperature monitor and pulse-width modulation (PWM) fan
+  controller.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - const: tsd,mule
+          - const: ti,amc6821
+      - const: ti,amc6821
+
+  reg:
+    maxItems: 1
+
+  i2c-mux:
+    type: object
+
+  fan:
+    $ref: fan-common.yaml#
+    unevaluatedProperties: false
+
+  "#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
+
+if:
+  properties:
+    compatible:
+      contains:
+        const: tsd,mule
+
+then:
+  required:
+    - i2c-mux
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        fan_controller: fan@18 {
+            compatible = "ti,amc6821";
+            reg = <0x18>;
+            #pwm-cells = <2>;
+
+            fan {
+                pwms = <&fan_controller 40000 0>;
+            };
+        };
+    };
+
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        fan@18 {
+            compatible = "tsd,mule", "ti,amc6821";
+            reg = <0x18>;
+
+            i2c-mux {
+                compatible = "tsd,mule-i2c-mux";
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                i2c@0 {
+                    reg = <0x0>;
+                    #address-cells = <1>;
+                    #size-cells = <0>;
+
+                    rtc@6f {
+                        compatible = "isil,isl1208";
+                        reg = <0x6f>;
+                    };
+                };
+            };
+        };
+    };
+...