[MTD] Driver for AT26Fxxx dataflash devices

Add support for AT26Fxxx dataflash devices. These devices have a quite different
commandset than the AT45xxx chips, which are handled by at91_dataflash.c, so a
combined driver turned out to be more ugly than useful.

Tested only on AT26F004.

Signed-off-by: Hans-Jürgen Koch <hjk@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 440f6851da69..bef0f0d2c28e 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -60,6 +60,14 @@ config MTD_DATAFLASH
           Sometimes DataFlash chips are packaged inside MMC-format
           cards; at this writing, the MMC stack won't handle those.
 
+config MTD_DATAFLASH26
+        tristate "AT91RM9200 DataFlash AT26xxx"
+        depends on MTD && ARCH_AT91RM9200 && AT91_SPI
+        help
+          This enables access to the DataFlash chip (AT26xxx) on an
+          AT91RM9200-based board.
+          If you have such a board and such a DataFlash, say 'Y'.
+
 config MTD_M25P80
         tristate "Support for M25 SPI Flash"
         depends on MTD && SPI_MASTER && EXPERIMENTAL