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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/adi,max31827.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX31827, MAX31828, MAX31829 Low-Power Temperature Switch
+
+maintainers:
+  - Daniel Matyas <daniel.matyas@analog.com>
+
+description: |
+  Analog Devices MAX31827, MAX31828, MAX31829 Low-Power Temperature Switch with
+  I2C Interface
+  https://www.analog.com/media/en/technical-documentation/data-sheets/MAX31827-MAX31829.pdf
+
+properties:
+  compatible:
+    oneOf:
+      - const: adi,max31827
+      - items:
+          - enum:
+              - adi,max31828
+              - adi,max31829
+          - const: adi,max31827
+
+  reg:
+    maxItems: 1
+
+  vref-supply:
+    description:
+      Must have values in the interval (1.6V; 3.6V) in order for the device to
+      function correctly.
+
+  adi,comp-int:
+    description:
+      If present interrupt mode is used. If not present comparator mode is used
+      (default).
+    type: boolean
+
+  adi,alarm-pol:
+    description:
+      Sets the alarms active state.
+            - 0 = active low
+            - 1 = active high
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [0, 1]
+
+  adi,fault-q:
+    description:
+      Select how many consecutive temperature faults must occur before
+      overtemperature or undertemperature faults are indicated in the
+      corresponding status bits.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 2, 4, 8]
+
+  adi,timeout-enable:
+    description:
+      Enables timeout. Bus timeout resets the I2C-compatible interface when SCL
+      is low for more than 30ms (nominal).
+    type: boolean
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: adi,max31829
+
+    then:
+      properties:
+        adi,alarm-pol:
+          default: 1
+
+    else:
+      properties:
+        adi,alarm-pol:
+          default: 0
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: adi,max31827
+
+    then:
+      properties:
+        adi,fault-q:
+          default: 1
+
+    else:
+      properties:
+        adi,fault-q:
+          default: 4
+
+
+required:
+  - compatible
+  - reg
+  - vref-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        temperature-sensor@42 {
+            compatible = "adi,max31827";
+            reg = <0x42>;
+            vref-supply = <&reg_vdd>;
+            adi,comp-int;
+            adi,alarm-pol = <0>;
+            adi,fault-q = <1>;
+            adi,timeout-enable;
+        };
+    };
+...