diff --git a/Documentation/devicetree/bindings/thermal/uniphier-thermal.txt b/Documentation/devicetree/bindings/thermal/uniphier-thermal.txt
index 686c0b42ed3f6c7debe89e2a25d129226bd262b8..ceb92a95727a8aadb79dbfe9e222ced65449d6c7 100644
--- a/Documentation/devicetree/bindings/thermal/uniphier-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/uniphier-thermal.txt
@@ -8,6 +8,7 @@ Required properties:
 - compatible :
   - "socionext,uniphier-pxs2-thermal" : For UniPhier PXs2 SoC
   - "socionext,uniphier-ld20-thermal" : For UniPhier LD20 SoC
+  - "socionext,uniphier-pxs3-thermal" : For UniPhier PXs3 SoC
 - interrupts : IRQ for the temperature alarm
 - #thermal-sensor-cells : Should be 0. See ./thermal.txt for details.