diff --git a/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml b/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
index 89c54e0..b907262 100644
--- a/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
@@ -32,6 +32,13 @@
   clocks:
     maxItems: 1
 
+  nvmem-cells:
+    maxItems: 1
+    description: Phandle to the calibration data provided by ocotp
+
+  nvmem-cell-names:
+    const: calib
+
   "#thermal-sensor-cells":
     description: |
       Number of cells required to uniquely identify the thermal