misc: Add ab8500 pwm driver

This patch adds a Pulse Width Modulation driver for Analog Baseband
Chip AB8500.

Signed-off-by: Arun Murthy <arun.murthy@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Acked-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 39a2173b4e6c..4d073f1e4502 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -62,6 +62,15 @@ config ATMEL_PWM
           purposes including software controlled power-efficient backlights
           on LCD displays, motor control, and waveform generation.
 
+config AB8500_PWM
+        bool "AB8500 PWM support"
+        depends on AB8500_CORE
+        select HAVE_PWM
+        help
+          This driver exports functions to enable/disble/config/free Pulse
+          Width Modulation in the Analog Baseband Chip AB8500.
+          It is used by led and backlight driver to control the intensity.
+
 config ATMEL_TCLIB
         bool "Atmel AT32/AT91 Timer/Counter Library"
         depends on (AVR32 || ARCH_AT91)