mfd: rn5t618: Add Ricoh RN5T567 PMIC support

The Ricoh RN5T567 is from the same family as the Ricoh RN5T618 is,
the differences are:

+ DCDC4
+ Slightly different output voltage/currents
+ 32kHz Output
- ADC/Charger capabilities

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 1bcf601de5bc..ff031a7735a5 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -852,13 +852,14 @@ config MFD_RK808
           including interrupts, RTC, LDO & DCDC regulators, and onkey.
 
 config MFD_RN5T618
-        tristate "Ricoh RN5T5618 PMIC"
+        tristate "Ricoh RN5T567/618 PMIC"
         depends on I2C
+        depends on OF
         select MFD_CORE
         select REGMAP_I2C
         help
-          Say yes here to add support for the Ricoh RN5T618 PMIC. This
-          driver provides common support for accessing the device,
+          Say yes here to add support for the Ricoh RN5T567 or R5T618 PMIC.
+          This driver provides common support for accessing the device,
           additional drivers must be enabled in order to use the
           functionality of the device.