diff --git a/Documentation/devicetree/bindings/thermal/samsung,exynos-thermal.yaml b/Documentation/devicetree/bindings/thermal/samsung,exynos-thermal.yaml
index 1344df708e2d..29a08b0729ee 100644
--- a/Documentation/devicetree/bindings/thermal/samsung,exynos-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/samsung,exynos-thermal.yaml
@@ -61,7 +61,8 @@ properties:
           TRIMINFO at 0x10068000 contains data for TMU channel 2
     minItems: 1
 
-  '#thermal-sensor-cells': true
+  '#thermal-sensor-cells':
+    const: 0
 
   vtmu-supply:
     description: The regulator node supplying voltage to TMU.