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diff --git a/dts/upstream/Bindings/arm/mstar/mstar.yaml b/dts/upstream/Bindings/arm/mstar/mstar.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/mstar/mstar.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MStar platforms
+
+maintainers:
+  - Daniel Palmer <daniel@thingy.jp>
+
+properties:
+  $nodename:
+    const: '/'
+  compatible:
+    oneOf:
+      - description: infinity boards
+        items:
+          - enum:
+              - thingyjp,breadbee-crust # thingy.jp BreadBee Crust
+          - const: mstar,infinity
+
+      - description: infinity2m boards
+        items:
+          - enum:
+              - 100ask,dongshanpione # 100ask DongShanPiOne
+              - honestar,ssd201htv2 # Honestar SSD201_HT_V2 devkit
+              - m5stack,unitv2 # M5Stack UnitV2
+              - miyoo,miyoo-mini # Miyoo Mini
+              - wirelesstag,ido-som2d01 # Wireless Tag IDO-SOM2D01
+              - wirelesstag,ido-sbc2d06-v1b-22w # Wireless Tag IDO-SBC2D06-1VB-22W
+          - const: mstar,infinity2m
+
+      - description: infinity3 boards
+        items:
+          - enum:
+              - thingyjp,breadbee # thingy.jp BreadBee
+          - const: mstar,infinity3
+
+      - description: mercury5 boards
+        items:
+          - enum:
+              - 70mai,midrived08 # 70mai midrive d08
+          - const: mstar,mercury5
+
+additionalProperties: true