diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr-props.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr-props.yaml
index 02700ac3c387ec49fa16e9055456ba33701f8bfa..4114cfa8de67f1b7afcd2d6fad96b4d0c5781e06 100644
--- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr-props.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr-props.yaml
@@ -15,6 +15,16 @@ maintainers:
   - Krzysztof Kozlowski <krzk@kernel.org>
 
 properties:
+  compatible:
+    description:
+      Compatible strings can be either explicit vendor names and part numbers
+      (e.g. elpida,ECB240ABACN), or generated strings of the form
+      lpddrX-YY,ZZZZ where X is the LPDDR version, YY is the manufacturer ID
+      (from MR5) and ZZZZ is the revision ID (from MR6 and MR7). Both IDs are
+      formatted in lower case hexadecimal representation with leading zeroes.
+      The latter form can be useful when LPDDR nodes are created at runtime by
+      boot firmware that doesn't have access to static part number information.
+
   revision-id:
     $ref: /schemas/types.yaml#/definitions/uint32-array
     description:
diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml
index e5e15d288d89b2dc212669184ce18028ad931e8f..a237bc259273bf15d30569ac8b5c840cae0d5946 100644
--- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr2.yaml
@@ -20,13 +20,15 @@ properties:
               - elpida,ECB240ABACN
               - elpida,B8132B2PB-6D-F
           - enum:
-              - jedec,lpddr2-s4
-      - items:
-          - enum:
+              - jedec,lpddr2-nvm
               - jedec,lpddr2-s2
+              - jedec,lpddr2-s4
       - items:
+          - pattern: "^lpddr2-[0-9a-f]{2},[0-9a-f]{4}$"
           - enum:
               - jedec,lpddr2-nvm
+              - jedec,lpddr2-s2
+              - jedec,lpddr2-s4
 
   revision-id1:
     $ref: /schemas/types.yaml#/definitions/uint32
diff --git a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr3.yaml b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr3.yaml
index 0f7ab51842ae09de1ae114d71e5b55a4a59bb0f3..e328a1195ba64680d2adf0fa24eb46209b3a3c27 100644
--- a/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr3.yaml
+++ b/Documentation/devicetree/bindings/memory-controllers/ddr/jedec,lpddr3.yaml
@@ -14,10 +14,14 @@ allOf:
 
 properties:
   compatible:
-    items:
-      - enum:
-          - samsung,K3QF2F20DB
-      - const: jedec,lpddr3
+    oneOf:
+      - items:
+          - enum:
+              - samsung,K3QF2F20DB
+          - const: jedec,lpddr3
+      - items:
+          - pattern: "^lpddr3-[0-9a-f]{2},[0-9a-f]{4}$"
+          - const: jedec,lpddr3
 
   '#address-cells':
     const: 1