sh: pfc: Make gpio chip support optional where possible.
This implements some Kconfig knobs for ensuring that the PFC gpio chip
can be disabled or built as a module in the cases where it's optional, or
forcibly enabled in cases where it's not.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/sh/Kconfig b/drivers/sh/Kconfig
index f168a61..d7dbfee 100644
--- a/drivers/sh/Kconfig
+++ b/drivers/sh/Kconfig
@@ -2,4 +2,19 @@
source "drivers/sh/intc/Kconfig"
+comment "Pin function controller options"
+
+config SH_PFC
+ # XXX move off the gpio dependency
+ depends on GENERIC_GPIO
+ select GPIO_SH_PFC if ARCH_REQUIRE_GPIOLIB
+ def_bool y
+
+config GPIO_SH_PFC
+ tristate "SuperH PFC GPIO support"
+ depends on SH_PFC && GPIOLIB
+ help
+ This enables support for GPIOs within the SoC's pin function
+ controller.
+
endmenu