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tty: serial: Add RDA8810PL UART driver

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Add UART driver for RDA Micro RDA8810PL SoC.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Manivannan Sadhasivam
2018-12-18 20:32:37 +05:30
committed by Olof Johansson
parent 6fc66a5c68
commit c10b13325c
5 changed files with 860 additions and 0 deletions
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6
Documentation/admin-guide/kernel-parameters.txt
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@@ -1021,6 +1021,12 @@
specified address. The serial port must already be
setup and configured. Options are not yet supported.
rda,<addr>
Start an early, polled-mode console on a serial port
of an RDA Micro SoC, such as RDA8810PL, at the
specified address. The serial port must already be
setup and configured. Options are not yet supported.
smh Use ARM semihosting calls for early console.
s3c2410,<addr>

19
drivers/tty/serial/Kconfig
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@@ -1529,6 +1529,25 @@ config SERIAL_OWL_CONSOLE
Say 'Y' here if you wish to use Actions Semiconductor S500/S900 UART
as the system console.
config SERIAL_RDA
bool "RDA Micro serial port support"
depends on ARCH_RDA || COMPILE_TEST
select SERIAL_CORE
help
This driver is for RDA8810PL SoC's UART.
Say 'Y' here if you wish to use the on-board serial port.
Otherwise, say 'N'.
config SERIAL_RDA_CONSOLE
bool "Console on RDA Micro serial port"
depends on SERIAL_RDA=y
select SERIAL_CORE_CONSOLE
select SERIAL_EARLYCON
default y
help
Say 'Y' here if you wish to use the RDA8810PL UART as the system
console. Only earlycon is implemented currently.
endmenu
config SERIAL_MCTRL_GPIO

1
drivers/tty/serial/Makefile
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@@ -89,6 +89,7 @@ obj-$(CONFIG_SERIAL_MVEBU_UART) += mvebu-uart.o
obj-$(CONFIG_SERIAL_PIC32) += pic32_uart.o
obj-$(CONFIG_SERIAL_MPS2_UART) += mps2-uart.o
obj-$(CONFIG_SERIAL_OWL) += owl-uart.o
obj-$(CONFIG_SERIAL_RDA) += rda-uart.o
# GPIOLIB helpers for modem control lines
obj-$(CONFIG_SERIAL_MCTRL_GPIO) += serial_mctrl_gpio.o

831
drivers/tty/serial/rda-uart.c Normal file
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File diff suppressed because it is too large Load Diff

3
include/uapi/linux/serial_core.h
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@@ -281,4 +281,7 @@
/* MediaTek BTIF */
#define PORT_MTK_BTIF 117
/* RDA UART */
#define PORT_RDA 118
#endif /* _UAPILINUX_SERIAL_CORE_H */