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

H. Nikolaus Schaller hns at goldelico.com
Mon Nov 12 20:42:18 CET 2018


> Am 12.11.2018 um 19:28 schrieb Andreas Kemnade <andreas at kemnade.info>:
> 
> 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.

I would say it is a h4 driver. Like the ti_ll drivers. The only reference
should IMHO be the compatible entry.

> We have for example a phy-generic
> and not a usb2322-phy. But I will discuss that in the RFC thread.

Yes.

BR,
Nikolaus

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