pinctrl: New driver for TI DA850/OMAP-L138/AM18XX pinconf

This adds a new driver for pinconf on TI DA850/OMAP-L138/AM18XX. These
SoCs have a separate controller for controlling pullup/pulldown groups.

Signed-off-by: David Lechner <david@lechnology.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 5f40ad6..54044a8 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -93,6 +93,15 @@
 	  Requires ACPI/FDT device enumeration code to set up a platform
 	  device.
 
+config PINCTRL_DA850_PUPD
+	tristate "TI DA850/OMAP-L138/AM18XX pullup/pulldown groups"
+	depends on OF && (ARCH_DAVINCI_DA850 || COMPILE_TEST)
+	select PINCONF
+	select GENERIC_PINCONF
+	help
+	  Driver for TI DA850/OMAP-L138/AM18XX pinconf. Used to control
+	  pullup/pulldown pin groups.
+
 config PINCTRL_DIGICOLOR
 	bool
 	depends on OF && (ARCH_DIGICOLOR || COMPILE_TEST)