chumby8-ts: new touchscreen driver

This is the driver for the Chumby 8's built-in touchscreen, interfaced over SPI. Code was heavily borrowed from ads7846.c and the original Chumby kernel's silvermoon-tsb.c.
dougg3 · May 3, 2023 · 8546edd · 8546edd
1 parent d67d82f
commit 8546edd
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diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
@@ -1377,4 +1377,16 @@ config TOUCHSCREEN_HIMAX_HX83112B
 	  To compile this driver as a module, choose M here: the
 	  module will be called himax_hx83112b.
 
+config TOUCHSCREEN_CHUMBY8
+	tristate "Chumby 8 touchscreen"
+	depends on SPI_MASTER
+	help
+	  Say Y here if you have a Chumby 8 and want to use its
+	  built-in touchscreen.
+
+	  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called chumby8_ts.s
+
 endif
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
@@ -116,3 +116,4 @@ obj-$(CONFIG_TOUCHSCREEN_RASPBERRYPI_FW)	+= raspberrypi-ts.o
 obj-$(CONFIG_TOUCHSCREEN_IQS5XX)	+= iqs5xx.o
 obj-$(CONFIG_TOUCHSCREEN_ZINITIX)	+= zinitix.o
 obj-$(CONFIG_TOUCHSCREEN_HIMAX_HX83112B)	+= himax_hx83112b.o
+obj-$(CONFIG_TOUCHSCREEN_CHUMBY8)	+= chumby8-ts.o