iec61850: add OpenAPI spec for sampled values node-type

doc/openapi/components/schemas/config/iec61850_signal.yaml

@@ -0,0 +1,27 @@
+---
+
+type: object
+properties:
+  iec_type:
+    type: string
+    enum:
+    - boolean
+    - int8
+    - int16
+    - int32
+    - int64
+    - int8u
+    - int16u
+    - int32u
+    - int64u
+    - float32
+    - float64
+    - enumerated
+    - coded_enum
+    - octet_string
+    - visible_string
+    - objectname
+    - objectreference
+    - timestamp
+    - entrytime
+    - bitstring

doc/openapi/components/schemas/config/nodes/iec61850-8-1.yaml

@@ -3,8 +3,60 @@
 
 allOf:
 - type: object
+  required:
+  - interface
   properties:
-    format:
-      $ref: ../format_spec.yaml
+    in:
+      type: object
+      properties:
+        signals:
+          type: array
+          items:
+            $ref: ../iec61850_signal.yaml
+
+    out:
+      type: object
+      properties:
+        required:
+        - signals
+        - svid
+        signals:
+          type: array
+          items:
+            $ref: ../iec61850_signal.yaml
+        
+        svid:
+          type: string
+
+        confrev:
+          type: integer
+
+        smpmod:
+          type: string
+          enum:
+          - per_nominal_period
+          - samples_per_second
+          - seconds_per_sample
+
+        smprate:
+          type: integer
+
+        vlan_id:
+          type: integer
+
+        vlan_priority:
+          type: integer
+
+          
+
+    interface:
+      type: string
+      description: Name of network interface to/from which this node will publish/subscribe for SV frames.
+
+    app_id:
+      type: integer
+
+    dst_address:
+      type: string
 
 - $ref: ../node.yaml