mfd: Add support for TWL6030 PWM

TWL6030 supports PWM (Pulse Width Modulator) which is used
to control charging LED. PWM allows for controlling brightness.
This patch implements the APIs required by leds-pwm driver.

Signed-off-by: Hemanth V <hemanthv@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index d59334f34bf6..23a891f396e4 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -186,6 +186,15 @@ config TWL4030_CODEC
         select MFD_CORE
         default n
 
+config TWL6030_PWM
+        tristate "TWL6030 PWM (Pulse Width Modulator) Support"
+        depends on TWL4030_CORE
+        select HAVE_PWM
+        default n
+        help
+          Say yes here if you want support for TWL6030 PWM.
+          This is used to control charging LED brightness.
+
 config MFD_STMPE
         bool "Support STMicroelectronics STMPE"
         depends on I2C=y && GENERIC_HARDIRQS