[PATCH v5 4/5] Add fdtget utility to read property values from a device tree
Simon Glass
sjg at chromium.org
Thu Dec 22 17:47:56 EST 2011
Hi Jon,
On Tue, Dec 20, 2011 at 4:01 AM, David Gibson
<david at gibson.dropbear.id.au> wrote:
> On Thu, Dec 15, 2011 at 05:37:51PM -0800, Simon Glass wrote:
>> Hi,
>>
>> On Thu, Sep 22, 2011 at 6:20 PM, David Gibson
>> <david at gibson.dropbear.id.au> wrote:
>> > On Thu, Sep 22, 2011 at 10:11:05AM -0700, Simon Glass wrote:
>> >> This simply utility makes it easy for scripts to read values from the device
>> >> tree. It is written in C and uses the same libfdt as the rest of the dtc
>> >> package.
>> >>
>> >> What is it for:
>> >> - Reading fdt values from scripts
>> >> - Extracting fdt information within build systems
>> >> - Looking at particular values without having to dump the entire tree
>> >>
>> >> To use it, specify the fdt binary file on command line followed by a list of
>> >> node, property pairs. The utility then looks up each node, finds the property
>> >> and displays the value.
>> >>
>> >> Each value is printed on a new line.
>> >>
>> >> fdtget tries to guess the type of each property based on its contents. This
>> >> is not always reliable, so you can use the -t option to force fdtget to decode
>> >> the value as a string, or byte, etc.
>> >>
>> >> To read from stdin, use - as the file.
>> >>
>> >> Usage:
>> >> fdtget <options> <dt file> [<node> <property>]...
>> >> Options:
>> >> -t <type> Type of data
>> >> -h Print this help
>> >>
>> >> <type> s=string, i=int, u=unsigned, x=hex
>> >> Optional modifier prefix:
>> >> hh or b=byte, h=2 byte, l=4 byte (default)
>> >>
>> >> Signed-off-by: Simon Glass <sjg at chromium.org>
>> >
>> > Acked-by: David Gibson <david at gibson.dropbear.id.au>
>>
>> Has this been applied? I cannot see it in the repo.
Please can you let me know about the status of this patch?
Regards,
Simon
>
> I haven't chased it, I'm afraid. You'll need to follow up with Jon directly.
>
> --
> David Gibson | I'll have my music baroque, and my code
> david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
> | _way_ _around_!
> http://www.ozlabs.org/~dgibson
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