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-rw-r--r--doc/mkimage.113
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diff --git a/doc/mkimage.1 b/doc/mkimage.1
index 146c114..036b095 100644
--- a/doc/mkimage.1
+++ b/doc/mkimage.1
@@ -97,6 +97,10 @@ Set XIP (execute in place) flag.
.B Create FIT image:
.TP
+.BI "\-b
+Specifies that the following arguments are device tree binary files (.dtb).
+
+.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
@@ -191,6 +195,15 @@ is required.
.br
.B -c """Kernel 4.4 image for production devices""" -d vmlinuz kernel.itb
.fi
+.P
+Create a FIT image containing a kernel and some device tree files, using
+automatic mode. No .its file is required.
+.nf
+.B mkimage -f auto -A arm -O linux -T kernel -C none -a 43e00000 -e 0 \\\\
+.br
+.B -c """Kernel 4.4 image for production devices""" -d vmlinuz \\\\
+.B -b /path/to/rk3288-firefly.dtb /path/to/rk3288-jerry.dtb kernel.itb
+.fi
.SH HOMEPAGE
http://www.denx.de/wiki/U-Boot/WebHome