pinctrl: intel: Add Intel Broxton pin controller support

This driver adds pinctrl/GPIO support for Intel Broxton. The GPIO
controller is based on the same hardware design that is already used in
Intel Sunrisepoint so we leverage the core driver here.
Signed-off-by: NMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/intel/Kconfig

@@ -34,6 +34,14 @@ config PINCTRL_INTEL
 	select GPIOLIB
 	select GPIOLIB_IRQCHIP
 
+config PINCTRL_BROXTON
+	tristate "Intel Broxton pinctrl and GPIO driver"
+	depends on ACPI
+	select PINCTRL_INTEL
+	help
+	  Broxton pinctrl driver provides an interface that allows
+	  configuring of SoC pins and using them as GPIOs.
+
 config PINCTRL_SUNRISEPOINT
 	tristate "Intel Sunrisepoint pinctrl and GPIO driver"
 	depends on ACPI

drivers/pinctrl/intel/Makefile

@@ -3,4 +3,5 @@
 obj-$(CONFIG_PINCTRL_BAYTRAIL)		+= pinctrl-baytrail.o
 obj-$(CONFIG_PINCTRL_CHERRYVIEW)	+= pinctrl-cherryview.o
 obj-$(CONFIG_PINCTRL_INTEL)		+= pinctrl-intel.o
+obj-$(CONFIG_PINCTRL_BROXTON)		+= pinctrl-broxton.o
 obj-$(CONFIG_PINCTRL_SUNRISEPOINT)	+= pinctrl-sunrisepoint.o