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     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 };
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