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>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/sh/Kconfig b/drivers/sh/Kconfig
index f168a6159961..d7dbfee1bc70 100644
--- a/drivers/sh/Kconfig
+++ b/drivers/sh/Kconfig
@@ -2,4 +2,19 @@ menu "SuperH / SH-Mobile Driver Options"
 
 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