On Fri, Dec 28, 2018 at 4:51 AM Loys Ollivier <lollivier@xxxxxxxxxxxx> 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. > ethernet0 = ðmac; > };