mfd: Add initial WM8994 support
The WM8994 is a highly integrated ultra low power audio hub CODEC.
Since it includes on-board regulators and GPIOs it is represented
as a multi-function device, though the overwhelming majority of
the functionality is provided by the ASoC CODEC driver.
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 a760dbe..64fbe33 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -295,6 +295,18 @@
I2C as the control interface. Additional options must be
selected to enable support for the functionality of the chip.
+config MFD_WM8994
+ tristate "Support Wolfson Microelectronics WM8994"
+ select MFD_CORE
+ depends on I2C
+ help
+ The WM8994 is a highly integrated hi-fi CODEC designed for
+ smartphone applicatiosn. As well as audio functionality it
+ has on board GPIO and regulator functionality which is
+ supported via the relevant subsystems. This driver provides
+ core support for the WM8994, in order to use the actual
+ functionaltiy of the device other drivers must be enabled.
+
config MFD_PCF50633
tristate "Support for NXP PCF50633"
depends on I2C