X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=doc%2Fmkimage.1;h=b48f70bb3cc7a0222d8a21d9d1122e69af2ddf4f;hb=14a66afead568a5c3a6bb49782432bea3b397fb8;hp=f9c733a5e6212e5795dd3210294c5d4a28c226bc;hpb=95d77b4479f9d07aea114fd4253cd665bb48ea10;p=u-boot

diff --git a/doc/mkimage.1 b/doc/mkimage.1
index f9c733a5e6..b48f70bb3c 100644
--- a/doc/mkimage.1
+++ b/doc/mkimage.1
@@ -96,6 +96,12 @@ Set XIP (execute in place) flag.
 .P
 .B Create FIT image:
 
+.TP
+.BI "\-c [" "comment" "]"
+Specifies a comment to be added when signing. This is typically a useful
+message which describes how the image was signed or some other useful
+information.
+
 .TP
 .BI "\-D [" "dtc options" "]"
 Provide special options to the device tree compiler that is used to
@@ -109,7 +115,7 @@ FIT image.
 .TP
 .BI "\-F"
 Indicates that an existing FIT image should be modified. No dtc
-compilation is performed and the -f flag should not be given.
+compilation is performed and the \-f flag should not be given.
 This can be used to sign images with additional keys after initial image
 creation.
 
@@ -127,6 +133,12 @@ the corresponding public key is written into this file for for run-time
 verification. Typically the file here is the device tree binary used by
 CONFIG_OF_CONTROL in U-Boot.
 
+.TP
+.BI "\-r
+Specifies that keys used to sign the FIT are required. This means that they
+must be verified for the image to boot. Without this option, the verification
+will be optional (useful for testing but not for release).
+
 .SH EXAMPLES
 
 List image information:
@@ -151,7 +163,8 @@ Create FIT image with compressed kernel and sign it with keys in the
 skipping those for which keys cannot be found. Also add a comment.
 .nf
 .B mkimage -f kernel.its -k /public/signing-keys -K u-boot.dtb \\\\
--c "Kernel 3.8 image for production devices" kernel.itb
+.br
+.B -c "Kernel 3.8 image for production devices" kernel.itb
 .fi
 
 .P
@@ -161,7 +174,8 @@ with keys that are available in the new directory. Images that request signing
 with unavailable keys are skipped.
 .nf
 .B mkimage -F -k /secret/signing-keys -K u-boot.dtb \\\\
--c "Kernel 3.8 image for production devices" kernel.itb
+.br
+.B -c "Kernel 3.8 image for production devices" kernel.itb
 .fi
 
 .SH HOMEPAGE