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Commit 254da0d7 authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Greg Kroah-Hartman
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serial: mxs-auart: add Alphascale ASM9260 support 



Alphascale ASM9260 uart IP has some common registers with
Freescale STMP37XX. This patch provide changes which
allow to reuse mxs-auart.c code for ASM9260.

Reviewed-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarOleksij Rempel <linux@rempel-privat.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e69ef01f

Documentation/devicetree/bindings/serial/fsl-mxs-auart.txt

+11 −3
Original line number Diff line number Diff line 
* Freescale MXS Application UART (AUART)



Required properties:

- compatible : Should be "fsl,<soc>-auart". The supported SoCs include

  imx23 and imx28.

Required properties for all SoCs:

- compatible : Should be one of fallowing variants:

	"fsl,imx23-auart" - Freescale i.MX23

	"fsl,imx28-auart" - Freescale i.MX28

	"alphascale,asm9260-auart" - Alphascale ASM9260

- reg : Address and length of the register set for the device

- interrupts : Should contain the auart interrupt numbers

- dmas: DMA specifier, consisting of a phandle to DMA controller node
@@ -10,6 +12,12 @@ Required properties: 
  Refer to dma.txt and fsl-mxs-dma.txt for details.

- dma-names: "rx" for RX channel, "tx" for TX channel.



Required properties for "alphascale,asm9260-auart":

- clocks : the clocks feeding the watchdog timer. See clock-bindings.txt

- clock-names : should be set to

	"mod" - source for tick counter.

	"ahb" - ahb gate.



Optional properties:

- fsl,uart-has-rtscts : Indicate the UART has RTS and CTS lines

  for hardware flow control,

drivers/tty/serial/Kconfig

+3 −2
Original line number Diff line number Diff line
@@ -1384,11 +1384,12 @@ config SERIAL_PCH_UART_CONSOLE 
config SERIAL_MXS_AUART

	tristate "MXS AUART support"

	depends on HAS_DMA

	depends on ARCH_MXS || COMPILE_TEST

	depends on ARCH_MXS || MACH_ASM9260 || COMPILE_TEST

	select SERIAL_CORE

	select SERIAL_MCTRL_GPIO if GPIOLIB

	help

	  This driver supports the MXS Application UART (AUART) port.

	  This driver supports the MXS and Alphascale ASM9260 Application

	  UART (AUART) port.



config SERIAL_MXS_AUART_CONSOLE

	bool "MXS AUART console support"

drivers/tty/serial/mxs-auart.c

+517 −124

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