mtd/maps: gpio-addr-flash: new driver for GPIO assisted flash addressing

This driver lets people use GPIO's for additional address lines in case
their processor does not have enough address lines already.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 0f314eb430c1..3a9a960644b6 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -484,6 +484,16 @@ config MTD_BFIN_ASYNC
 
           If compiled as a module, it will be called bfin-async-flash.
 
+config MTD_GPIO_ADDR
+        tristate "GPIO-assisted Flash Chip Support"
+        depends on MTD_COMPLEX_MAPPINGS
+        select MTD_PARTITIONS
+        help
+          Map driver which allows flashes to be partially physically addressed
+          and assisted by GPIOs.
+
+          If compiled as a module, it will be called gpio-addr-flash.
+
 config MTD_UCLINUX
         bool "Generic uClinux RAM/ROM filesystem support"
         depends on MTD_PARTITIONS && MTD_RAM=y && !MMU