1 files changed, 46 insertions, 5 deletions

diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index b03cb5175113..64742a086ae3 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -262,7 +262,12 @@ config SERIAL_8250_RSA
         bool "Support RSA serial ports"
         depends on SERIAL_8250_EXTENDED
         help
-          ::: To be written :::
+          Say Y here if you have a IODATA RSA-DV II/S ISA card and
+          would like to use its >115kbps speeds.
+          You will need to provide module parameter "probe_rsa", or boot-time
+          parameter 8250.probe_rsa with I/O addresses of this card then.
+
+          If you don't have such card, or if unsure, say N.
 
 config SERIAL_8250_ACORN
         tristate "Acorn expansion card serial port support"
@@ -272,6 +277,30 @@ config SERIAL_8250_ACORN
           system, say Y to this option.  The driver can handle 1, 2, or 3 port
           cards.  If unsure, say N.
 
+config SERIAL_8250_BCM2835AUX
+        tristate "BCM2835 auxiliar mini UART support"
+        depends on ARCH_BCM2835 || COMPILE_TEST
+        depends on SERIAL_8250 && SERIAL_8250_SHARE_IRQ
+        help
+          Support for the BCM2835 auxiliar mini UART.
+
+          Features and limitations of the UART are
+            Registers are similar to 16650 registers,
+              set bits in the control registers that are unsupported
+              are ignored and read back as 0
+            7/8 bit operation with 1 start and 1 stop bit
+            8 symbols deep fifo for rx and tx
+            SW controlled RTS and SW readable CTS
+            Clock rate derived from system clock
+            Uses 8 times oversampling (compared to 16 times for 16650)
+            Missing break detection (but break generation)
+            Missing framing error detection
+            Missing parity bit
+            Missing receive time-out interrupt
+            Missing DCD, DSR, DTR and RI signals
+
+          If unsure, say N.
+
 config SERIAL_8250_FSL
         bool
         depends on SERIAL_8250_CONSOLE
@@ -295,6 +324,7 @@ config SERIAL_8250_EM
 config SERIAL_8250_RT288X
         bool "Ralink RT288x/RT305x/RT3662/RT3883 serial port support"
         depends on SERIAL_8250
+        depends on MIPS || COMPILE_TEST
         default y if MIPS_ALCHEMY || SOC_RT288X || SOC_RT305X || SOC_RT3883 || SOC_MT7620
         help
           Selecting this option will add support for the alternate register
@@ -346,7 +376,7 @@ config SERIAL_8250_LPC18XX
           serial port, say Y to this option. If unsure, say Y.
 
 config SERIAL_8250_MT6577
-        bool "Mediatek serial port support"
+        tristate "Mediatek serial port support"
         depends on SERIAL_8250 && ARCH_MEDIATEK
         help
           If you have a Mediatek based board and want to use the
@@ -360,9 +390,10 @@ config SERIAL_8250_UNIPHIER
           serial ports, say Y to this option. If unsure, say N.
 
 config SERIAL_8250_INGENIC
-        bool "Support for Ingenic SoC serial ports"
-        depends on OF_FLATTREE
-        select LIBFDT
+        tristate "Support for Ingenic SoC serial ports"
+        depends on SERIAL_8250
+        depends on (OF_FLATTREE && SERIAL_8250_CONSOLE) || !SERIAL_EARLYCON
+        depends on MIPS || COMPILE_TEST
         help
           If you have a system using an Ingenic SoC and wish to make use of
           its UARTs, say Y to this option. If unsure, say N.
@@ -378,6 +409,16 @@ config SERIAL_8250_MID
           present on the UART found on Intel Medfield SOC and various other
           Intel platforms.
 
+config SERIAL_8250_MOXA
+        tristate "MOXA SmartIO MUE support"
+        depends on SERIAL_8250 && PCI
+        help
+          Say Y here if you have a Moxa SmartIO MUE multiport serial card.
+          If unsure, say N.
+
+          This driver can also be built as a module. The module will be called
+          8250_moxa. If you want to do that, say M here.
+
 config SERIAL_OF_PLATFORM
         tristate "Devicetree based probing for 8250 ports"
         depends on SERIAL_8250 && OF