src/mainboard/pcengines/apu1/acpi/leds.asl

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Based on the example of Mika Westerberg: https://lwn.net/Articles/612062/
   5  *
   6  * Copyright (C) 2015 Tobias Diedrich, Mika Westerberg
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; version 2 of the License.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc.
  20  */
  21
  22 Scope (\_SB.PCI0.SBUS)
  23 {
  24         Device (LEDS)
  25         {
  26                 Name (_HID, "PRP0001")
  27
  28                 Name (_CRS, ResourceTemplate () {
  29                         GpioIo (Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
  30                                 "\\_SB.PCI0.SBUS.GPIO", 0, ResourceConsumer) {189, 190, 191}
  31                 })
  32
  33                 Name (_DSD, Package () {
  34                         ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
  35                         Package () {
  36                                 Package () {"compatible", Package () {"gpio-leds"}},
  37                         }
  38                 })
  39
  40                 Device (LED1)
  41                 {
  42                         Name (_DSD, Package () {
  43                                 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
  44                                 Package () {
  45                                         /*
  46                                          * From Linux Documentation/leds/leds-class.txt:
  47                                          * LED Device Naming
  48                                          * Is currently of the form:
  49                                          * "devicename:colour:function"
  50                                          */
  51                                         Package () {"label", "apu1:green:led1"},
  52                                         Package () {"gpios", Package () {^^LEDS, 0, 0, 1 /* low-active */}},
  53                                         Package () {"default-state", "keep"},
  54                                 } }) }
  55
  56                 Device (LED2)
  57                 {
  58                         Name (_DSD, Package () {
  59                                 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
  60                                 Package () {
  61                                         Package () {"label", "apu1:green:led2"},
  62                                         Package () {"gpios", Package () {^^LEDS, 0, 1, 1 /* low-active */}},
  63                                         Package () {"default-state", "keep"},
  64                                 }
  65                         })
  66                 }
  67
  68                 Device (LED3)
  69                 {
  70                         Name (_DSD, Package () {
  71                                 ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
  72                                 Package () {
  73                                         Package () {"label", "apu1:green:led3"},
  74                                         Package () {"gpios", Package () {^^LEDS, 0, 2, 1 /* low-active */}},
  75                                         Package () {"default-state", "keep"},
  76                                 }
  77                         })
  78                 }
  79         }
  80 }