diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 53b102b24950..ff1c6b4975c1 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -123,6 +123,8 @@ properties:
           - fsl,mma8450
             # MPR121: Proximity Capacitive Touch Sensor Controller
           - fsl,mpr121
+            # HiTRON AC/DC CompactPCI Power Supply
+          - hitron,hac300s
             # Honeywell Humidicon HIH-6130 humidity/temperature sensor
           - honeywell,hi6130
             # IBM Common Form Factor Power Supply Versions (all versions)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index c7591b2aec2a..fdb11141e597 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -701,6 +701,8 @@ patternProperties:
     description: Hitachi Ltd.
   "^hitex,.*":
     description: Hitex Development Tools
+  "^hitron,.*":
+    description: HiTRON Electronics Corporation
   "^holt,.*":
     description: Holt Integrated Circuits, Inc.
   "^holtek,.*":