On Wed, 2015-02-04 at 15:21 +0000, Zubair Lutfullah Kakakhel wrote: > From: Paul Burton <paul.burton@xxxxxxxxxx> > > Introduce a driver suitable for use with the UARTs present in > Ingenic jz47xx series SoCs. These are described as being ns16550 > compatible but aren't quite - they require the setting of an extra bit > in the FCR register to enable the UART module. The serial_out > implementation is the same as that in arch/mips/jz4740/serial.c - which > will shortly be removed. > > Signed-off-by: Paul Burton <paul.burton@xxxxxxxxxx> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Cc: Lars-Peter Clausen <lars@xxxxxxxxxx> > Cc: linux-serial@xxxxxxxxxxxxxxx > > --- > V2 changes > Removed FSF address > Added select SERIAL_CORE_CONSOLE to fix a build error > --- > drivers/tty/serial/8250/8250_jz47xx.c | 225 ++++++++++++++++++++++++++++++++++ > drivers/tty/serial/8250/Kconfig | 9 ++ > drivers/tty/serial/8250/Makefile | 1 + > 3 files changed, 235 insertions(+) > create mode 100644 drivers/tty/serial/8250/8250_jz47xx.c > >[...] > diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig > index 0fcbcd2..ebb298e 100644 > --- a/drivers/tty/serial/8250/Kconfig > +++ b/drivers/tty/serial/8250/Kconfig > @@ -322,3 +322,12 @@ config SERIAL_8250_MT6577 > help > If you have a Mediatek based board and want to use the > serial port, say Y to this option. If unsure, say N. > + > +config SERIAL_8250_JZ47XX > + tristate "Support for Ingenic jz47xx series serial ports" > + depends on SERIAL_8250 > + select SERIAL_EARLYCON > + select SERIAL_CORE_CONSOLE > + help > + If you have a system using an Ingenic jz47xx series SoC and wish to > + make use of its UARTs, say Y to this option. If unsure, say N. Nit: should people never say M? Paul Bolle
