On Mon, Feb 6, 2017 at 11:53 AM,  <[email protected]> wrote:
> Hi all,
>
> tldr: is there a reference guide somewhere which lists all valid suffixes
> for the command: bone_capemgr.disable_partno=
>
> Longer version:
> I'm trying to get a custom cape (not my design) working on my BBBW.
> The cape works with a plain old BBB, but has some challenges for the
> Wireless.
> Specifically, the cape needs the SPI1 interface found on expansion header
> P9[28:31]
> For BBB, it's easy enough to free these pins up by choosing a different dtb.
> Specifically, I uncommented
>    dtb=am335x-boneblack-emmc-overlay.dtb
> in /boot/uEnv.txt
> It's sort of a sledgehammer approach, entirely disabling the HDMI interface
> when I really only care about the pins used for audio. But, I don't need
> video for this application, so it works just fine.
>
> But, it gets muddier in BBBW land. The BBBW uses the pins in question for
> Bluetooth HCI.
> I could disable the WiLink chip entirely, but that'd sort of defeat the
> purpose of the BBBW wouldn't it?
> I'm looking for a way to surgically disable only the Bluetooth peripheral
> while maintaining Wi-Fi functionality.

Using the dtb-rebuilder, cut this out:

https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4-ti/src/arm/am335x-boneblack-wl1835.dtsi#L129-L134

Regards,


-- 
Robert Nelson
https://rcn-ee.com/

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