diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt
index c568d52af5afc094c107f418859ae092fcbe6b0f..522a3bbf1bac0482018970f966a06b58aa43faf5 100644
--- a/Documentation/devicetree/bindings/mfd/mt6397.txt
+++ b/Documentation/devicetree/bindings/mfd/mt6397.txt
@@ -6,6 +6,7 @@ MT6397/MT6323 is a multifunction device with the following sub modules:
 - Audio codec
 - GPIO
 - Clock
+- LED
 
 It is interfaced to host controller using SPI interface by a proprietary hardware
 called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap.