fpga: add altera freeze bridge support
Add a low level driver for Altera Freeze Bridges to the FPGA Bridge
framework. A freeze bridge is a bridge that exists in the FPGA
fabric to isolate one region of the FPGA from the busses while that
one region is being reprogrammed.
Signed-off-by: Alan Tull <atull@opensource.altera.com>
Signed-off-by: Matthew Gerlach <mgerlach@opensource.altera.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
index 5605ad6..8fe6a84 100644
--- a/drivers/fpga/Kconfig
+++ b/drivers/fpga/Kconfig
@@ -47,6 +47,15 @@
Say Y to enable drivers for FPGA bridges for Altera SOCFPGA
devices.
+config ALTERA_FREEZE_BRIDGE
+ tristate "Altera FPGA Freeze Bridge"
+ depends on ARCH_SOCFPGA && FPGA_BRIDGE
+ help
+ Say Y to enable drivers for Altera FPGA Freeze bridges. A
+ freeze bridge is a bridge that exists in the FPGA fabric to
+ isolate one region of the FPGA from the busses while that
+ region is being reprogrammed.
+
endif # FPGA
endmenu