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Date: Mon, 27 Nov 2023 20:51:44 +0100
From: Andreas Kemnade <andreas@kemnade.info>
To: Adam Ford <aford173@gmail.com>
Cc: marcel@holtmann.org, johan.hedberg@gmail.com, luiz.dentz@gmail.com,
 johan@kernel.org, arnd@arndb.de, gregkh@linuxfoundation.org,
 linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org,
 tomi.valkeinen@ideasonboard.com, Tony Lindgren <tony@atomide.com>,
 =?UTF-8?B?UMOpdGVy?= Ujfalusi <peter.ujfalusi@gmail.com>, robh@kernel.org
Subject: Re: [RFC PATCH 0/3] bluetooth/gnss: GNSS support for TiWi chips
Message-ID: <20231127205144.2137de38@aktux>
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On Mon, 27 Nov 2023 08:03:24 -0600
Adam Ford <aford173@gmail.com> wrote:

> On Sun, Nov 26, 2023 at 1:47=E2=80=AFPM Andreas Kemnade <andreas@kemnade.=
info> wrote:
> >
> > Some of these chips have GNSS support. In some vendor kernels
> > a driver on top of misc/ti-st can be found providing a /dev/tigps
> > device which speaks the secretive Air Independent Interface (AI2) proto=
col.
> > Implement something comparable as a GNSS interface.
> >
> > With some userspace tools a proof-of-concept can be shown. A position
> > can be successfully read out.  Basic properties of the protocol are
> > understood.
> >
> > This was tested on the Epson Moverio BT-200. =20
>=20
> Can you tell me which WiLink chip this uses?
>=20
> I'd like to try it on the WL1283, but I want to understand which
> WiLink chips you're targeting.
>=20
I think, it is a WL1283 here, too.

If you want to play around with it now:
- set the devicetree node name to bluetooth-gnss
- for testing you can use the read-gps program at https://github.com/akemna=
de/bt200tools

Regards,
Andreas