spi: add SPI driver for most known i.MX SoCs
This driver has been tested on i.MX1/i.MX27/i.MX35 with an AT25 type
EEPROM and on i.MX27/i.MX31 with a Freescale MC13783 PMIC.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: David Brownell <david-b@pacbell.net>
Cc: Andrea Paterniani <a.paterniani@swapp-eng.it>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 927a8b7..cd3acfe 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -116,6 +116,14 @@
GPIO operations, you should be able to leverage that for better
speed with a custom version of this driver; see the source code.
+config SPI_IMX
+ tristate "Freescale i.MX SPI controllers"
+ depends on ARCH_MXC
+ select SPI_BITBANG
+ help
+ This enables using the Freescale i.MX SPI controllers in master
+ mode.
+
config SPI_LM70_LLP
tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)"
depends on PARPORT && EXPERIMENTAL