diff --git a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
index 9b3cb6fa52c0..d5d6bfb5b3ed 100644
--- a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
+++ b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
@@ -86,6 +86,7 @@ properties:
               - facebook,yosemite4-bmc
               - ibm,everest-bmc
               - ibm,rainier-bmc
+              - ibm,system1-bmc
               - ibm,tacoma-bmc
               - inventec,starscream-bmc
               - inventec,transformer-bmc