From: Johan Hovold <johan@kernel.org>
To: Loys Ollivier <lollivier@baylibre.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
Kevin Hilman <khilman@baylibre.com>,
Johan Hovold <johan@kernel.org>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
"moderated list:ARM/Mediatek SoC support"
<linux-mediatek@lists.infradead.org>,
"open list:ARM/Amlogic Meson..."
<linux-amlogic@lists.infradead.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 2/4] dt-bindings: gnss: add mediatek binding
Date: Fri, 15 Feb 2019 17:00:47 +0100 [thread overview]
Message-ID: <20190215160047.GN28278@localhost> (raw)
In-Reply-To: <86ef89fe10.fsf@baylibre.com>
On Fri, Feb 15, 2019 at 01:10:35PM +0100, Loys Ollivier wrote:
>
> On Thu 14 Feb 2019 at 09:11, Johan Hovold <johan@kernel.org> wrote:
>
> > On Wed, Feb 13, 2019 at 04:24:00PM +0100, Loys Ollivier wrote:
> >> On Mon 11 Feb 2019 at 14:17, Loys Ollivier <lollivier@baylibre.com> wrote:
> >> > On Mon 11 Feb 2019 at 08:33, Johan Hovold <johan@kernel.org> wrote:
> >
> >> >> Right, but please do look around for other receivers using this chipset
> >> >> so that we can make the binding generic enough to cover those as well
> >> >> (e.g. by choosing representative resource names).
> >> >>
> >> > OK will have a look.
> >>
> >> The only mt3339-based receivers I have found are:
> >> - [0] Globaltop
> >> - [1] Locosys / Pololu
> >> They both only provide the UART interface and do not list the I2C/SPI
> >> interfaces.
> >>
> >> [0] https://cdn-shop.adafruit.com/datasheets/GlobalTop-FGPMMOPA6H-Datasheet-V0A.pdf
> >> [1] https://www.pololu.com/file/0J641/LS20030~3_datasheet_v1.3.pdf
> >
> > I found tree more:
> >
> Ah nice.
>
> > - Globaltop PA6C
> >
> > - https://cdn-shop.adafruit.com/datasheets/GlobalTop-FGPMMOPA6C-Datasheet-V0A-Preliminary.pdf
> >
> > - Linx RM series
> > - https://linxtechnologies.com/wp/wp-content/uploads/rxm-gps-rm.pdf
>
> This is a different chip: MT3337; Apparently this chip only provides an
> UART interface: https://labs.mediatek.com/en/chipset/MT3337
> However it looks interesting. I'll look for a sample to test it in the
> future :)
Bah, sorry, I used the wrong link. Here's the mt3339-based one:
https://linxtechnologies.com/wp/wp-content/uploads/rxm-gps-fm.pdf
But hopefully we can reuse this driver for mt3337 and any other
variants too.
> > - ublox IT530
> > - https://www.u-blox.com/sites/default/files/products/documents/IT530_DataSheet_%28FTX-HW-12008%29.pdf
> >
> > All with uart-interface only and similar pins names, although the ublox
> > device do have some additional features we can worry about later.
> >
> > As all but the ublox device use VBACKUP for the backup supply, do you
> > mind if I change the binding to use "vbackup-supply" instead of
> > "v-bckp-supply" (which is a ublox-ism) when applying?
>
> I don't mind. You can go ahead and change the binding.
> For reference, the v4 patch serie:
> https://lkml.kernel.org/r/1550070569-18588-1-git-send-email-lollivier@baylibre.com
Thanks, now updated and applied.
Johan
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next prev parent reply other threads:[~2019-02-15 16:02 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-17 16:54 [PATCH v2 0/4] Add driver for Mediatek-based GNSS receivers Loys Ollivier
2019-01-17 16:54 ` [PATCH v2 1/4] dt-bindings: Add vendor prefix for "GlobalTop Technology, Inc." Loys Ollivier
2019-01-21 17:09 ` Rob Herring
2019-01-17 16:54 ` [PATCH v2 2/4] dt-bindings: gnss: add mediatek binding Loys Ollivier
2019-01-21 17:10 ` Rob Herring
2019-01-21 17:27 ` Loys Ollivier
2019-01-21 18:44 ` Sean Wang
2019-01-22 8:47 ` Loys Ollivier
2019-01-22 10:25 ` Sean Wang
2019-01-21 21:51 ` Rob Herring
2019-01-22 8:49 ` Loys Ollivier
2019-01-25 9:07 ` Johan Hovold
2019-01-28 15:46 ` Loys Ollivier
2019-02-11 8:33 ` Johan Hovold
2019-02-11 14:17 ` Loys Ollivier
2019-02-13 15:22 ` Loys Ollivier
2019-02-13 15:24 ` Loys Ollivier
2019-02-14 9:11 ` Johan Hovold
2019-02-15 12:10 ` Loys Ollivier
2019-02-15 16:00 ` Johan Hovold [this message]
2019-01-17 16:54 ` [PATCH v2 3/4] gnss: add mtk receiver type support Loys Ollivier
2019-01-25 9:12 ` Johan Hovold
2019-01-17 16:54 ` [PATCH v2 4/4] gnss: add driver for mediatek receivers Loys Ollivier
2019-01-25 9:30 ` Johan Hovold
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