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Commit c10b1332 authored by Manivannan Sadhasivam's avatar Manivannan Sadhasivam Committed by Olof Johansson
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tty: serial: Add RDA8810PL UART driver 



Add UART driver for RDA Micro RDA8810PL SoC.

Signed-off-by: default avatarAndreas Färber <afaerber@suse.de>
Signed-off-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarOlof Johansson <olof@lixom.net>
parent 6fc66a5c

Documentation/admin-guide/kernel-parameters.txt

+6 −0
Original line number Diff line number Diff line
@@ -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>

drivers/tty/serial/Kconfig

+19 −0
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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

drivers/tty/serial/Makefile

+1 −0
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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

drivers/tty/serial/rda-uart.c

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File added.

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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 */