linux-kernel - Re: [PATCH 0/4] Add driver for globaltop GNSS receivers

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Message-ID: <86fttup7ei.fsf@baylibre.com>
Date:   Tue, 15 Jan 2019 11:00:37 +0100
From:   Loys Ollivier <lollivier@...libre.com>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org,
        Kevin Hilman <khilman@...libre.com>,
        Johan Hovold <johan@...nel.org>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH 0/4] Add driver for globaltop GNSS receivers

On Fri 04 Jan 2019 at 11:51, Rob Herring <robh+dt@...nel.org> wrote:

> On Fri, Dec 28, 2018 at 4:51 AM Loys Ollivier <lollivier@...libre.com> wrote:
>>
>> Hello !
>>
>> This patch series adds a new GNSS driver for the globaltop GNSS receivers.
>> These receivers transmits NMEA output sequence as soon as they have booted.
>> Power management can be done via the main supply and optional backup supply
>> as defined in the device tree.
>>
>> The driver has been tested using a GlobalTop pa6h chipset on a Libretech-cc
>> board using the expansion header. Changes made in the board device tree can
>> be found below for reference and testing.
>>
>> Loys
>>
>> Loys Ollivier (4):
>>   dt-bindings: Add vendor prefix for "GlobalTop Technology, Inc."
>>   dt-bindings: gnss: add gtop binding
>>   gnss: add gtop receiver type support
>>   gnss: add driver for globaltop receivers
>>
>>  Documentation/devicetree/bindings/gnss/gtop.txt    |  33 +++++
>>  .../devicetree/bindings/vendor-prefixes.txt        |   1 +
>>  drivers/gnss/Kconfig                               |  13 ++
>>  drivers/gnss/Makefile                              |   3 +
>>  drivers/gnss/core.c                                |   1 +
>>  drivers/gnss/gtop.c                                | 152 +++++++++++++++++++++
>>  include/linux/gnss.h                               |   1 +
>>  7 files changed, 204 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/gnss/gtop.txt
>>  create mode 100644 drivers/gnss/gtop.c
>>
>> ---
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
>> index 90a56af967a7..3b3d4dcc47aa 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
>> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
>> @@ -17,6 +17,7 @@
>>
>>         aliases {
>>                 serial0 = &uart_AO;
>> +               serial1 = &uart_A;
>
> You should not need this as the UART is not used as a tty. It could be
> that the serial driver requires aliases, but that should be fixed.
> There should be some examples of fixing this in other serial drivers.
>

Thanks Rob,
Followed up on that [0]. 

[0]: https://lore.kernel.org/linux-amlogic/1547484866-3600-1-git-send-email-lollivier@baylibre.com/
>>                 ethernet0 = &ethmac;
>>         };
>
> _______________________________________________
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> linux-amlogic@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-amlogic

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