leds: introduce lp5521 led driver

LP5521 is a three channel led driver with support
for hardware accelerated patterns (currently used
via lp5521-only sysfs interface).

Currently, it's used on n810 device.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index b77baecd50ca..9b60b6b684d9 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -145,6 +145,16 @@ config LEDS_GPIO_OF
           of_platform devices.  For instance, LEDs which are listed in a "dts"
           file.
 
+config LEDS_LP5521
+        tristate "LED Support for the LP5521 LEDs"
+        depends on LEDS_CLASS && I2C
+        help
+          If you say 'Y' here you get support for the National Semiconductor
+          LP5521 LED driver used in n8x0 boards.
+
+          This driver can be built as a module by choosing 'M'. The module
+          will be called leds-lp5521.
+
 config LEDS_CLEVO_MAIL
         tristate "Mail LED on Clevo notebook"
         depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI