dt-bindings: hwmon: Add Infineon TDA38640

Add the DT property 'infineon,en-pin-fixed-level' to
indicated that the chip EN pin is at fixed level
or left unconnected(has internal pull-down).
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Signed-off-by: Naresh Solanki <Naresh.Solanki@9elements.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230831190731.265099-1-Naresh.Solanki@9elements.com
[groeck: Dropped empty line at end]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Documentation/devicetree/bindings/hwmon/pmbus/infineon,tda38640.yaml

+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+
+$id: http://devicetree.org/schemas/hwmon/pmbus/infineon,tda38640.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Infineon TDA38640 Synchronous Buck Regulator with SVID and I2C
+
+maintainers:
+  - Naresh Solanki <naresh.solanki@9elements.com>
+
+description: |
+  The Infineon TDA38640 is a 40A Single-voltage Synchronous Buck
+  Regulator with SVID and I2C designed for Industrial use.
+
+  Datasheet: https://www.infineon.com/dgdl/Infineon-TDA38640-0000-DataSheet-v02_04-EN.pdf?fileId=8ac78c8c80027ecd018042f2337f00c9
+
+properties:
+  compatible:
+    enum:
+      - infineon,tda38640
+
+  reg:
+    maxItems: 1
+
+  infineon,en-pin-fixed-level:
+    description:
+      Indicates that the chip EN pin is at fixed level or left
+      unconnected(has internal pull-down).
+    type: boolean
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        tda38640@40 {
+            compatible = "infineon,tda38640";
+            reg = <0x40>;
+        };
+    };

Documentation/devicetree/bindings/trivial-devices.yaml

@@ -151,8 +151,6 @@ properties:
           - infineon,slb9645tt
             # Infineon SLB9673 I2C TPM 2.0
           - infineon,slb9673
-            # Infineon TDA38640 Voltage Regulator
-          - infineon,tda38640
             # Infineon TLV493D-A1B6 I2C 3D Magnetic Sensor
           - infineon,tlv493d-a1b6
             # Infineon Multi-phase Digital VR Controller xdpe11280