Hi Robert, I am using kernel 3.8.13.
Regards, Mrigendra On Thursday, October 5, 2017 at 8:22:30 PM UTC+5:30, RobertCNelson wrote: > > On Thu, Oct 5, 2017 at 1:51 AM, Mrigendra Chaubey > <[email protected] <javascript:>> wrote: > > Hi All, > > > > > > > > I am trying to compile an overlay and use it for study purpose but I am > not > > able to compile an overlay. For example I took an example device tree > > overlay from derek molloy blog > > > > git clone git://github.com/derekmolloy/boneDeviceTree.git > > > > and now I have a directory with a name overlay. In that a script build > is > > there that have the compilation command for this overlay. this is the > > command inside build > > > > > > #!/bin/bash > > > > echo "Compiling the overlay from .dts to .dtbo" > > > > dtc -O dtb -o DM-GPIO-Test-00A0.dtbo -b 0 -@ DM-GPIO-Test.dts > > > > > > DM-GPIO-Test.dts file is the source overlay file and > DM-GPIO-Test-00A0.dtbo > > is the output. > > > > Now if I run this script I get this message > > > > > > ./build > > Compiling the overlay from .dts to .dtbo > > dtc: invalid option -- '@' > > Usage: dtc [options] <input file> > > > > Options: -[qI:O:o:V:d:R:S:p:fb:i:H:sW:E:hv] > > -q, --quiet > > Quiet: -q suppress warnings, -qq errors, -qqq all > > -I, --in-format <arg> > > Input formats are: > > dts - device tree source text > > dtb - device tree blob > > fs - /proc/device-tree style directory > > -o, --out <arg> > > Output file > > -O, --out-format <arg> > > Output formats are: > > dts - device tree source text > > dtb - device tree blob > > asm - assembler source > > -V, --out-version <arg> > > Blob version to produce, defaults to %d (for dtb and asm output) > > -d, --out-dependency <arg> > > Output dependency file > > -R, --reserve <arg> > > tMake space for <number> reserve map entries (for dtb and asm > output) > > -S, --space <arg> > > Make the blob at least <bytes> long (extra space) > > -p, --pad <arg> > > Add padding to the blob of <bytes> long (extra space) > > -b, --boot-cpu <arg> > > Set the physical boot cpu > > -f, --force > > Try to produce output even if the input tree has errors > > -i, --include <arg> > > Add a path to search for include files > > -s, --sort > > Sort nodes and properties before outputting (useful for comparing > trees) > > -H, --phandle <arg> > > Valid phandle formats are: > > legacy - "linux,phandle" properties only > > epapr - "phandle" properties only > > both - Both "linux,phandle" and "phandle" properties > > -W, --warning <arg> > > Enable/disable warnings (prefix with "no-") > > -E, --error <arg> > > Enable/disable errors (prefix with "no-") > > -h, --help > > Print this help and exit > > -v, --version > > Print version and exit > > > > Error: unknown option > > > > > > > > I did install device-tree-compiler before issuing this command. > > > > My system is ubuntu 14.04, 64 bit. > > > > What is wrong here? > > The "-@" option was added after 14.04 was released. > > Now to correctly build the correct version of dtc, are you using a > 3.8.13 or a 4.4.x+ based kernel on your BeagleBone? > > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/22f69565-d242-4ae8-b24d-edbf87705e99%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
