mfd: Add LPC driver for Intel ICH chipsets

This driver currently creates resources for use by a forthcoming ICH chipset GPIO driver. It could be expanded to create the resources for converting the esb2rom (mtd) and iTCO_wdt (wdt), and potentially more, drivers to use the mfd model. Signed-off-by: Aaron Sierra <[email protected]> Signed-off-by: Guenter Roeck <[email protected]> Signed-off-by: Samuel Ortiz <[email protected]>
mna · May 1, 2012 · 4630b13 · 4630b13
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commit 4630b13
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diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
@@ -748,6 +748,15 @@ config LPC_SCH
 	  LPC bridge function of the Intel SCH provides support for
 	  System Management Bus and General Purpose I/O.
 
+config LPC_ICH
+	tristate "Intel ICH LPC"
+	depends on PCI
+	select MFD_CORE
+	help
+	  The LPC bridge function of the Intel ICH provides support for
+	  many functional units. This driver provides needed support for
+	  other drivers to control these functions, currently GPIO.
+
 config MFD_RDC321X
 	tristate "Support for RDC-R321x southbridge"
 	select MFD_CORE

diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
@@ -99,6 +99,7 @@ obj-$(CONFIG_MFD_DB5500_PRCMU)	+= db5500-prcmu.o
 obj-$(CONFIG_MFD_TIMBERDALE)    += timberdale.o
 obj-$(CONFIG_PMIC_ADP5520)	+= adp5520.o
 obj-$(CONFIG_LPC_SCH)		+= lpc_sch.o
+obj-$(CONFIG_LPC_ICH)		+= lpc_ich.o
 obj-$(CONFIG_MFD_RDC321X)	+= rdc321x-southbridge.o
 obj-$(CONFIG_MFD_JANZ_CMODIO)	+= janz-cmodio.o
 obj-$(CONFIG_MFD_JZ4740_ADC)	+= jz4740-adc.o