device tree: compilation of device tree sources

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Hi,

I cloned the device tree git from: https://kernel.googlesource.com/pub/scm/linux/kernel/git/devicetree/devicetree-rebasing

When i try to compile the Makefile is throwing errors like this:

DTC     src/arc/abilis_tb100_dvk.dtb

dtc: invalid option -- 'i'

Usage:

    dtc [options] <input file>

Options:

    -h

        This help text

    -q

        Quiet: -q suppress warnings, -qq errors, -qqq all

    -I <input format>

        Input formats are:

            dts - device tree source text

            dtb - device tree blob

            fs - /proc/device-tree style directory

    -o <output file>

    -O <output format>

        Output formats are:

            dts - device tree source text

            dtb - device tree blob

            asm - assembler source

    -V <output version>

        Blob version to produce, defaults to 17 (relevant for dtb

        and asm output only)

    -d <output dependency file>

    -R <number>

        Make space for <number> reserve map entries (relevant for

        dtb and asm output only)

    -S <bytes>

        Make the blob at least <bytes> long (extra space)

    -p <bytes>

        Add padding to the blob of <bytes> long (extra space)

    -b <number>

        Set the physical boot cpu

    -f

        Force - try to produce output even if the input tree has errors

    -s

        Sort nodes and properties before outputting (only useful for

        comparing trees)

    -v

        Print DTC version and exit

    -H <phandle format>

        phandle formats are:

            legacy - "linux,phandle" properties only

            epapr - "phandle" properties only

            both - Both "linux,phandle" and "phandle" properties

make[1]: *** [src/arc/abilis_tb100_dvk.dtb] Error 3

make: *** [all_arc] Error 2


The way of using the dtc command is wrong.


Thanks,
Varka Bhadram

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