diff --git a/Documentation/devicetree/bindings/arm/axxia.txt b/Documentation/devicetree/bindings/arm/axxia.txt
deleted file mode 100644
index 7b4ef9c07696..000000000000
--- a/Documentation/devicetree/bindings/arm/axxia.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-Axxia AXM55xx device tree bindings
-
-Boards using the AXM55xx SoC need to have the following properties:
-
-Required root node property:
-
-  - compatible = "lsi,axm5516"
-
-Boards:
-
-  LSI AXM5516 Validation board (Amarillo)
-	compatible = "lsi,axm5516-amarillo", "lsi,axm5516"
diff --git a/Documentation/devicetree/bindings/arm/axxia.yaml b/Documentation/devicetree/bindings/arm/axxia.yaml
new file mode 100644
index 000000000000..98780a569f22
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/axxia.yaml
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/axxia.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Axxia AXM55xx device tree bindings
+
+maintainers:
+  - Anders Berg <anders.berg@lsi.com>
+
+properties:
+  compatible:
+    description: LSI AXM5516 Validation board (Amarillo)
+    items:
+      - const: lsi,axm5516-amarillo
+      - const: lsi,axm5516
+
+...