misc: Add CARMA DATA-FPGA Programmer support
This adds support for programming the data processing FPGAs on the OVRO
CARMA board. These FPGAs have a special programming sequence that
requires that we program the Freescale DMA engine, which is only
available inside the kernel.
Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/drivers/misc/carma/Kconfig b/drivers/misc/carma/Kconfig
index 4be183f..c90370e 100644
--- a/drivers/misc/carma/Kconfig
+++ b/drivers/misc/carma/Kconfig
@@ -7,3 +7,11 @@
Say Y here to include support for communicating with the data
processing FPGAs on the OVRO CARMA board.
+config CARMA_FPGA_PROGRAM
+ tristate "CARMA DATA-FPGA Programmer"
+ depends on FSL_SOC && PPC_83xx && MEDIA_SUPPORT && HAS_DMA && FSL_DMA
+ select VIDEOBUF_DMA_SG
+ default n
+ help
+ Say Y here to include support for programming the data processing
+ FPGAs on the OVRO CARMA board.