spi: Add MXIC controller driver
Add a driver for Macronix SPI controller IP.
This patch referred from linux spi-mxic.c. The difference from the
linux version is described here.
1. To adapt uboot spi framework, modify some functions naming.
2. Remove the incompatible functions of Uboot.
3. Add dummy byte recalculattion function to support dummy buswidth
not align data buswidth operation.(ex: 1-1-4, 1-1-8)
4. Add Octal mode support.
Signed-off-by: Zhengxun <zhengxunli.mxic@gmail.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
[jagan: fixed file permission, comment line, kconfig]
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 1494c91..e317d8a 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -255,6 +255,13 @@
Enable the MXS SPI controller driver. This driver can be used
on the i.MX23 and i.MX28 SoCs.
+config SPI_MXIC
+ bool "Macronix MX25F0A SPI controller"
+ help
+ Enable the Macronix MX25F0A SPI controller driver. This driver
+ can be used to access the SPI flash on platforms embedding
+ this Macronix IP core.
+
config NXP_FSPI
bool "NXP FlexSPI driver"
depends on SPI_MEM