pinctrl: intel: Add Intel Lakefield pin controller support

This driver adds pinctrl/GPIO support for Intel Lakefield SoC. The
GPIO controller is based on the next generation GPIO hardware but still
compatible with the one supported by the Intel core pinctrl/GPIO driver.

Cc: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>

drivers/pinctrl/intel/Kconfig

@@ -119,6 +119,14 @@ config PINCTRL_JASPERLAKE
 	  This pinctrl driver provides an interface that allows configuring
 	  of Intel Jasper Lake PCH pins and using them as GPIOs.
 
+config PINCTRL_LAKEFIELD
+	tristate "Intel Lakefield SoC pinctrl and GPIO driver"
+	depends on ACPI
+	select PINCTRL_INTEL
+	help
+	  This pinctrl driver provides an interface that allows configuring
+	  of Intel Lakefield SoC pins and using them as GPIOs.
+
 config PINCTRL_LEWISBURG
 	tristate "Intel Lewisburg pinctrl and GPIO driver"
 	depends on ACPI

drivers/pinctrl/intel/Makefile

@@ -14,6 +14,7 @@ obj-$(CONFIG_PINCTRL_EMMITSBURG)	+= pinctrl-emmitsburg.o
 obj-$(CONFIG_PINCTRL_GEMINILAKE)	+= pinctrl-geminilake.o
 obj-$(CONFIG_PINCTRL_ICELAKE)		+= pinctrl-icelake.o
 obj-$(CONFIG_PINCTRL_JASPERLAKE)	+= pinctrl-jasperlake.o
+obj-$(CONFIG_PINCTRL_LAKEFIELD)		+= pinctrl-lakefield.o
 obj-$(CONFIG_PINCTRL_LEWISBURG)		+= pinctrl-lewisburg.o
 obj-$(CONFIG_PINCTRL_SUNRISEPOINT)	+= pinctrl-sunrisepoint.o
 obj-$(CONFIG_PINCTRL_TIGERLAKE)		+= pinctrl-tigerlake.o