diff --git a/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml b/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml
index dada28b47ea0..2900224aac74 100644
--- a/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml
+++ b/Documentation/devicetree/bindings/hwinfo/ti,k3-socinfo.yaml
@@ -15,6 +15,9 @@ description: |
   represented by CTRLMMR_xxx_JTAGID register which contains information about
   SoC id and revision.
 
+  On some SoCs like AM62P, the silicon revision is determined by reading
+  alternative registers via NVMEM cells.
+
 properties:
   $nodename:
     pattern: "^chipid@[0-9a-f]+$"
@@ -26,6 +29,14 @@ properties:
   reg:
     maxItems: 1
 
+  nvmem-cells:
+    items:
+      - description: Alternate silicon revision register
+
+  nvmem-cell-names:
+    items:
+      - const: gpsw1
+
 required:
   - compatible
   - reg