[Letux-kernel] [PATCH letux 0/3] GTA04A3/4 Bluetooth via serdev

Andreas Kemnade andreas at kemnade.info
Mon Nov 12 19:28:46 CET 2018


Hi,

On Mon, 12 Nov 2018 19:00:28 +0100
"H. Nikolaus Schaller" <hns at goldelico.com> wrote:
[...]
> 
> One note for the bindings doc and the default baud rate of the w2cbw003
> to consider:
> 
> the factory default rate is (was) 115200 for the module. AFAIR, there
> was also a variant with ca. 920000. But we have reprogrammed ALL modules
> installed in a GTA04 right after production during production test to
> 3 Mbit/s through a special command (bccmd if I remember correctly
> http://projects.goldelico.com/p/gta04-kernel/page/Wireless/?rev=333#wikititle_9 ).
> 
> So ALL GTA04 that exist are using the high baudrate.
> 
> Nevertheless, the driver IMHO should default to 115200... And maybe the
> bindings document should use an example with that or a different speed.
> And a note in the speed property description, that the module must be
> reprogrammed to accomodate the speed.
> 
The question is whether the new driver is really named as a
w2cbw-driver. Or is it a h4-generic. We have for example a phy-generic
and not a usb2322-phy. But I will discuss that in the RFC thread.

Regards,
Andreas
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