leds: Add rb532 LED driver for the User LED

Mikrotik built six LEDs into the Routerboard 532, from which one is
destined for custom use, the so called "User LED". This patch adds a
driver for it, based on the LEDs class.

Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 89ea7ef39fe4..db5e6a64c7cf 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -31,6 +31,13 @@ config LEDS_LOCOMO
           This option enables support for the LEDs on Sharp Locomo.
           Zaurus models SL-5500 and SL-5600.
 
+config LEDS_MIKROTIK_RB532
+        tristate "LED Support for Mikrotik Routerboard 532"
+        depends on LEDS_CLASS && MIKROTIK_RB532
+        help
+          This option enables support for the so called "User LED" of
+          Mikrotik's Routerboard 532.
+
 config LEDS_S3C24XX
         tristate "LED Support for Samsung S3C24XX GPIO LEDs"
         depends on LEDS_CLASS && ARCH_S3C2410