powerpc/5200: add LocalPlus bus FIFO device driver

This is a driver for the FIFO device on the LocalPlus bus on an mpc5200 system.
The driver supports programmed I/O through the FIFO as well as setting up DMA
via the BestComm engine through the FIFO.

Signed-off-by: John Bonesio <bones@secretlab.ca>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/52xx/Kconfig b/arch/powerpc/platforms/52xx/Kconfig
index 8b8e9560a315..47ea1be1481b 100644
--- a/arch/powerpc/platforms/52xx/Kconfig
+++ b/arch/powerpc/platforms/52xx/Kconfig
@@ -62,3 +62,8 @@ config PPC_MPC5200_GPIO
         select GENERIC_GPIO
         help
           Enable gpiolib support for mpc5200 based boards
+
+config PPC_MPC5200_LPBFIFO
+        tristate "MPC5200 LocalPlus bus FIFO driver"
+        depends on PPC_MPC52xx
+        select PPC_BESTCOMM_GEN_BD