mfd: Add WM831x SPI support
Implement support for controlling WM831x and WM832x devices using SPI.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 2fb1e89..3a1493b 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -329,6 +329,17 @@
for accessing the device, additional drivers must be enabled in
order to use the functionality of the device.
+config MFD_WM831X_SPI
+ bool "Support Wolfson Microelectronics WM831x/2x PMICs with SPI"
+ select MFD_CORE
+ select MFD_WM831X
+ depends on SPI_MASTER && GENERIC_HARDIRQS
+ help
+ Support for the Wolfson Microelecronics WM831x and WM832x PMICs
+ when controlled using SPI. This driver provides common support
+ for accessing the device, additional drivers must be enabled in
+ order to use the functionality of the device.
+
config MFD_WM8350
bool
depends on GENERIC_HARDIRQS