Quoting from Documentation/leds/leds-class.txt:
LED Device Naming
=================
Is currently of the form:
"devicename:colour:function"
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
pinctrl-0 = <&led_pins_cubieboard>;
blue {
- label = "cubieboard::blue";
+ label = "cubieboard:blue:usr";
gpios = <&pio 7 21 0>; /* LED1 */
};
green {
- label = "cubieboard::green";
+ label = "cubieboard:green:usr";
gpios = <&pio 7 20 0>; /* LED2 */
linux,default-trigger = "heartbeat";
};