dt-bindings: hwmon: tda38640: Add interrupt & regulator properties

tda38640 has a single regulator output along with CAT_FAULT# pin to
report internal events. Hence add properties for regulator & interrupt.

Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240307113325.3800181-1-naresh.solanki@9elements.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

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

@@ -30,6 +30,23 @@ properties:
       unconnected(has internal pull-down).
     type: boolean
 
+  interrupts:
+    maxItems: 1
+
+  regulators:
+    type: object
+    description:
+      list of regulators provided by this controller.
+
+    properties:
+      vout:
+        $ref: /schemas/regulator/regulator.yaml#
+        type: object
+
+        unevaluatedProperties: false
+
+    additionalProperties: false
+
 required:
   - compatible
   - reg
@@ -38,12 +55,23 @@ additionalProperties: false
 
 examples:
   - |
+    #include <dt-bindings/interrupt-controller/irq.h>
     i2c {
         #address-cells = <1>;
         #size-cells = <0>;
 
         tda38640@40 {
             compatible = "infineon,tda38640";
             reg = <0x40>;
+
+            interrupt-parent = <&smb_pex_cpu0_event>;
+            interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
+
+            regulators {
+                pvnn_main_cpu0: vout {
+                    regulator-name = "pvnn_main_cpu0";
+                    regulator-enable-ramp-delay = <200>;
+                };
+            };
         };
     };