Changing the pinmux can only be done in u-boot this is why the pinmux tool 
provides nothing for you in the device tree. The Tool will provide generic 
files that can be used with a perl script located here: 
https://git.ti.com/cgit/pmt-generic-converter-tool/am57xx_uboot_pin_config/

To change the AM57x pinmux you need to visit this page and follow the steps 
under "U-Boot" to clone and compile it. Afterwards, edit the file at 
<uboot>/board/ti/am57xx/mux_data.h with the output from the perl script. 

You can replace it all or edit just the lines you need. Check all the 
address offsets to make sure you don't have duplicates. 

Regards,
Ahmad

On Monday, May 4, 2020 at 6:08:46 PM UTC-5, jimvr wrote:
>
> I have utilized the TI PinMux tool to create all of the necessary 
> functions that I need in my project.
>
> I just cannot seem to get past how to create the .dtb file from the output 
> of the PinMux tool.  I have a handful of files that are C defines and such, 
> but no clear path to the dts or dtb file.
>
> I have spend hours looking, and running scripts and pulling down git 
> repos, to find that "my build" which is just the downloaded SDK SDcard 
> image of the Matrix build from TI...
>
> All of the links to the Cloud9 distro are not working, 
> https://github.com/beagleboard/BeagleBoard-DeviceTrees.git for example is 
> not something that works at all.  The four files that I have here are ones 
> that are perhaps what I need to use, but I just don't know where to start.
>
> Thanks in advance.
>

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