X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=doc%2Fopenocd.texi;fp=doc%2Fopenocd.texi;h=33812499ac4dbff6cbbb4e0234469468ae5ee297;hp=340e6b65b025a05a77487ff6c011a6e6d3f5a14a;hb=84291d02692fe69d75ccd3ce11dea4522ad988a0;hpb=1bce8d3d80490d66b56c2283e3ffee81a655a80a

diff --git a/doc/openocd.texi b/doc/openocd.texi
index 340e6b65b0..33812499ac 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -7400,6 +7400,14 @@ write protected areas in a specific @var{device_bank}
 Forces a re-load of the option byte registers. Will cause a system reset of the device.
 The @var{num} parameter is a value shown by @command{flash banks}.
 @end deffn
+
+@deffn Command {stm32l4x trustzone} num [@option{enable} | @option{disable}]
+Enables or disables Global TrustZone Security, using the TZEN option bit.
+If neither @option{enabled} nor @option{disable} are specified, the command will display
+the TrustZone status.
+@emph{Note:} This command works only with devices with TrustZone, eg. STM32L5.
+@emph{Note:} This command will perform an OBL_Launch after modifying the TZEN.
+@end deffn
 @end deffn
 
 @deffn {Flash Driver} {str7x}