arch/arm/boot/dts/exynos54xx-odroidxu-leds.dtsi

   1 /*
   2  * Hardkernel Odroid XU/XU3 LED device tree source
   3  *
   4  * Copyright (c) 2015,2016 Krzysztof Kozlowski
   5  * Copyright (c) 2014 Collabora Ltd.
   6  * Copyright (c) 2013 Samsung Electronics Co., Ltd.
   7  *              http://www.samsung.com
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License version 2 as
  11  * published by the Free Software Foundation.
  12 */
  13
  14 #include <dt-bindings/gpio/gpio.h>
  15
  16 / {
  17         pwmleds {
  18                 compatible = "pwm-leds";
  19
  20                 greenled {
  21                         label = "green:mmc0";
  22                         pwms = <&pwm 1 2000000 0>;
  23                         pwm-names = "pwm1";
  24                         /*
  25                          * Green LED is much brighter than the others
  26                          * so limit its max brightness
  27                          */
  28                         max_brightness = <127>;
  29                         linux,default-trigger = "mmc0";
  30                 };
  31
  32                 blueled {
  33                         label = "blue:heartbeat";
  34                         pwms = <&pwm 2 2000000 0>;
  35                         pwm-names = "pwm2";
  36                         max_brightness = <255>;
  37                         linux,default-trigger = "heartbeat";
  38                 };
  39         };
  40
  41         gpioleds {
  42                 compatible = "gpio-leds";
  43                 redled {
  44                         label = "red:microSD";
  45                         gpios = <&gpx2 3 GPIO_ACTIVE_HIGH>;
  46                         default-state = "off";
  47                         linux,default-trigger = "mmc1";
  48                 };
  49         };
  50 };