[PATCH 0/4] TI Bluetooth serdev support

Sebastian Reichel sre at kernel.org
Sun Apr 30 09:04:30 PDT 2017


On Sun, Apr 30, 2017 at 10:14:20AM -0500, Adam Ford wrote:
> On Wed, Apr 5, 2017 at 1:30 PM, Rob Herring <robh at kernel.org> wrote:
> > This series adds serdev support to the HCI LL protocol used on TI BT
> > modules and enables support on HiKey board with with the WL1835 module.
> > With this the custom TI UIM daemon and btattach are no longer needed.
> Without UIM daemon, what instruction do you use to load the BT firmware?
> I was thinking 'hciattach' but I was having trouble.  I was hoping you
> might have some insight.
>  hciattach -t 30 -s 115200 /dev/ttymxc1 texas 3000000 flow  Just
> returns a timeout.
> I modified my i.MX6 device tree per the binding documentation and
> setup the regulators and enable GPIO pins.

If you configured everything correctly no userspace interaction is
required. The driver should request the firmware automatically once
you power up the bluetooth device.

Apart from DT changes make sure, that the following options are
enabled and check dmesg for any hints.


-- Sebastian
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20170430/f8f82e8d/attachment.sig>

More information about the linux-arm-kernel mailing list