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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Hardkernel Odroid XU/XU3 LED device tree source
   4  *
   5  * Copyright (c) 2015,2016 Krzysztof Kozlowski
   6  * Copyright (c) 2014 Collabora Ltd.
   7  * Copyright (c) 2013 Samsung Electronics Co., Ltd.
   8  *              http://www.samsung.com
   9  */
  10
  11 #include <dt-bindings/gpio/gpio.h>
  12 #include <dt-bindings/leds/common.h>
  13
  14 / {
  15         led-controller-1 {
  16                 compatible = "pwm-leds";
  17
  18                 led-1 {
  19                         label = "green:mmc0";
  20                         function = LED_FUNCTION_DISK_ACTIVITY;
  21                         color = <LED_COLOR_ID_GREEN>;
  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                 led-2 {
  33                         function = LED_FUNCTION_HEARTBEAT;
  34                         color = <LED_COLOR_ID_BLUE>;
  35                         pwms = <&pwm 2 2000000 0>;
  36                         pwm-names = "pwm2";
  37                         max-brightness = <255>;
  38                         linux,default-trigger = "heartbeat";
  39                 };
  40         };
  41
  42         led-controller-2 {
  43                 compatible = "gpio-leds";
  44
  45                 led-3 {
  46                         label = "red:microSD";
  47                         function = LED_FUNCTION_DISK_ACTIVITY;
  48                         color = <LED_COLOR_ID_RED>;
  49                         gpios = <&gpx2 3 GPIO_ACTIVE_HIGH>;
  50                         default-state = "off";
  51                         linux,default-trigger = "mmc1";
  52                 };
  53         };
  54 };