pinctrl: tangier: Introduce Intel Tangier driver

Intel Tangier implements the common pinctrl functionalities for
Merrifield and Moorefield platforms.

Signed-off-by: Raag Jadav <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Andy Shevchenko <[email protected]>

Author: raagjadav

drivers/pinctrl/intel/Kconfig

@@ -187,4 +187,5 @@ config PINCTRL_TIGERLAKE
 	  This pinctrl driver provides an interface that allows configuring
 	  of Intel Tiger Lake PCH pins and using them as GPIOs.
 
+source "drivers/pinctrl/intel/Kconfig.tng"
 endmenu

drivers/pinctrl/intel/Kconfig.tng

@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Intel Tangier and compatible pin control drivers
+
+if X86_INTEL_MID || COMPILE_TEST
+
+config PINCTRL_TANGIER
+	tristate
+	select PINMUX
+	select PINCONF
+	select GENERIC_PINCONF
+	help
+	  This is a library driver for Intel Tangier pin controller and to
+	  be selected and used by respective compatible platform drivers.
+
+	  If built as a module its name will be pinctrl-tangier.
+
+endif

drivers/pinctrl/intel/Makefile

@@ -4,6 +4,7 @@
 obj-$(CONFIG_PINCTRL_BAYTRAIL)		+= pinctrl-baytrail.o
 obj-$(CONFIG_PINCTRL_CHERRYVIEW)	+= pinctrl-cherryview.o
 obj-$(CONFIG_PINCTRL_LYNXPOINT)		+= pinctrl-lynxpoint.o
+obj-$(CONFIG_PINCTRL_TANGIER)		+= pinctrl-tangier.o
 obj-$(CONFIG_PINCTRL_MERRIFIELD)	+= pinctrl-merrifield.o
 obj-$(CONFIG_PINCTRL_MOOREFIELD)	+= pinctrl-moorefield.o
 obj-$(CONFIG_PINCTRL_INTEL)		+= pinctrl-intel.o