LED: add support for device tree parsing of gpio-leds ...

This adds a driver option to probe GPIO LEDs from device tree compatible
with "gpio-leds" device tree nodes.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

led-gpio: add bicolor led support ...

those led can have 2 colors but one at a time otherwise they are black

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

LED: Add LED trigger support ...

This patch allows to associate LEDs with certain triggers, such
as heartbeat or network activity.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

LED: Add gpio LED support ...

This patch adds support for registering gpios as LEDs.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

basic LED support ...

This patch adds core functionality for controlling LEDs.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>