Input: add support for Azoteq IQS7222A/B/C

This patch adds support for the Azoteq IQS7222A/B/C family of
capacitive touch controllers.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/20220403221659.865997-3-jeff@labundy.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/misc/Kconfig

@@ -762,6 +762,16 @@ config INPUT_IQS626A
 	  To compile this driver as a module, choose M here: the
 	  module will be called iqs626a.
 
+config INPUT_IQS7222
+	tristate "Azoteq IQS7222A/B/C capacitive touch controller"
+	depends on I2C
+	help
+	  Say Y to enable support for the Azoteq IQS7222A/B/C family
+	  of capacitive touch controllers.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called iqs7222.
+
 config INPUT_CMA3000
 	tristate "VTI CMA3000 Tri-axis accelerometer"
 	help

drivers/input/misc/Makefile

@@ -44,6 +44,7 @@ obj-$(CONFIG_HP_SDC_RTC)		+= hp_sdc_rtc.o
 obj-$(CONFIG_INPUT_IMS_PCU)		+= ims-pcu.o
 obj-$(CONFIG_INPUT_IQS269A)		+= iqs269a.o
 obj-$(CONFIG_INPUT_IQS626A)		+= iqs626a.o
+obj-$(CONFIG_INPUT_IQS7222)		+= iqs7222.o
 obj-$(CONFIG_INPUT_KEYSPAN_REMOTE)	+= keyspan_remote.o
 obj-$(CONFIG_INPUT_KXTJ9)		+= kxtj9.o
 obj-$(CONFIG_INPUT_M68K_BEEP)		+= m68kspkr.o