leds: Added driver for the NXP PCA9685 I2C chip

The NXP PCA9685 supports 16 channels/leds using a 12-bit PWM (4095
levels of brightness)
This driver supports configuration using platform_data.

Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 875bbe4c962e..72156c123033 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -300,6 +300,16 @@ config LEDS_PCA963X
           LED driver chip accessed via the I2C bus. Supported
           devices include PCA9633 and PCA9634
 
+config LEDS_PCA9685
+        tristate "LED support for PCA9685 I2C chip"
+        depends on LEDS_CLASS
+        depends on I2C
+        help
+          This option enables support for LEDs connected to the PCA9685
+          LED driver chip accessed via the I2C bus.
+          The PCA9685 offers 12-bit PWM (4095 levels of brightness) on
+          16 individual channels.
+
 config LEDS_WM831X_STATUS
         tristate "LED support for status LEDs on WM831x PMICs"
         depends on LEDS_CLASS