schemas: pci: Add msi-map properties

msi-map/msi-map-mask properties are existing properties and are only for
PCI root complexes, so add them to the PCI schema.

Signed-off-by: Rob Herring <robh@kernel.org>

dtschema/schemas/pci/pci-bus.yaml

@@ -113,6 +113,22 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     enum: [ 1, 2, 3, 4 ]
 
+  msi-map:
+    $ref: /schemas/types.yaml#/definitions/uint32-matrix
+    items:
+      minItems: 3
+      items:
+        - description: The RID base matched by the entry
+        - description: phandle to msi-controller node
+        - description: (optional) The msi-specifier produced for the first RID matched
+            by the entry. Currently, msi-specifier is 0 or 1 cells.
+        - description: The length of consecutive RIDs following the RID base
+
+  msi-map-mask:
+    description: A mask to be applied to each Requester ID prior to being
+      mapped to an msi-specifier per the msi-map property.
+    $ref: /schemas/types.yaml#/definitions/uint32
+
   num-lanes:
     description: The number of PCIe lanes
     $ref: /schemas/types.yaml#/definitions/uint32
@@ -166,4 +182,7 @@ required:
   - "#address-cells"
   - "#size-cells"
 
+dependentRequired:
+  msi-map-mask: [ msi-map ]
+
 additionalProperties: true