mfd: RK808: Add new mfd driver for RK808

The RK808 chip is a power management IC for multimedia and handheld
devices. It contains the following components:

- Regulators
- RTC
- Clkout

The RK808 core driver is registered as a platform driver and provides
communication through I2C with the host device for the different
components.

Signed-off-by: Chris Zhong <zyw@rock-chips.com>
Signed-off-by: Zhang Qing <zhangqing@rock-chips.com>
Tested-by: Heiko <heiko@sntech.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 82f70dcab136..049796a28215 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -597,6 +597,19 @@ config MFD_RC5T583
           Additional drivers must be enabled in order to use the
           different functionality of the device.
 
+config MFD_RK808
+        tristate "Rockchip RK808 Power Management chip"
+        depends on I2C && OF
+        select MFD_CORE
+        select REGMAP_I2C
+        select REGMAP_IRQ
+        help
+          If you say yes here you get support for the RK808
+          Power Management chips.
+          This driver provides common support for accessing the device
+          through I2C interface. The device supports multiple sub-devices
+          including interrupts, RTC, LDO & DCDC regulators, and onkey.
+
 config MFD_RN5T618
         tristate "Ricoh RN5T5618 PMIC"
         depends on I2C