diff --git a/src/Kconfig b/src/Kconfig
index f7180a9..0696feb 100644
--- a/src/Kconfig
+++ b/src/Kconfig
@@ -862,6 +862,13 @@
 
 	  If unsure, say N.
 
+config DEBUG_TPM
+	bool "Output verbose TPM debug messages"
+	default n
+	depends on TPM
+	help
+	  This option enables additional TPM related debug messages.
+
 config LLSHELL
 	bool "Built-in low-level shell"
 	default n