From: Jarkko Nikula <jarkko.nikula@nokia.com>
Date: Mon, 2 Apr 2007 17:21:35 +0000 (-0400)
Subject: SPI: Add support for TSC2301 protocol driver
X-Git-Tag: v2.6.22-omap1~138^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a450a6242ae1f13a32c437b4ef002c4391a7503e;p=pandora-kernel.git

SPI: Add support for TSC2301 protocol driver

This adds a driver for TSC2301 including support for audio, keypad and
touchscreen. Patch is originally developed for Nokia N800 by Imre Deak,
Jarkko Nikula, Jarkko Oikarinen and Juha Yrjola.

Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
---

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 9daa4bb76d3f..6fd6a477f670 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -198,6 +198,28 @@ config SPI_TSC2102
          Say Y here if you want support for the TSC2102 chip.  It
 	 will be needed for the touchscreen driver on some boards.
 	 
+config SPI_TSC2301
+	tristate "TSC2301 driver"
+	depends on SPI_MASTER
+	help
+	  Say Y here if you have a TSC2301 chip connected to an SPI
+	  bus on your board.
+
+	  The TSC2301 is a highly integrated PDA analog interface circuit.
+	  It contains a complete 12-bit A/D resistive touch screen
+	  converter (ADC) including drivers, touch pressure measurement
+	  capability, keypad controller, and 8-bit D/A converter (DAC) output
+	  for LCD contrast control.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called tsc2301.
+
+config SPI_TSC2301_AUDIO
+	boolean "TSC2301 audio support"
+	depends on SPI_TSC2301 && SND
+	help
+	  Say Y here for if you are using the audio features of TSC2301.
+
 config SPI_SPIDEV
 	tristate "User mode SPI device driver support"
 	depends on SPI_MASTER && EXPERIMENTAL
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index d44d6516d299..bbb3ca95ee9f 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -31,6 +31,9 @@ obj-$(CONFIG_SPI_AT25)		+= at25.o
 obj-$(CONFIG_SPI_SPIDEV)	+= spidev.o
 obj-$(CONFIG_SPI_TSC2101)	+= tsc2101.o
 obj-$(CONFIG_SPI_TSC2102)	+= tsc2102.o
+obj-$(CONFIG_SPI_TSC2301)	+= tsc2301.o
+tsc2301-objs			:= tsc2301-core.o
+tsc2301-$(CONFIG_SPI_TSC2301_AUDIO)	+= tsc2301-mixer.o
 # 	... add above this line ...
 
 # SPI slave controller drivers (upstream link)
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