arch/mips/mti-sead3/sead3-leds.c

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2012 MIPS Technologies, Inc.  All rights reserved.
   7  */
   8 #include <linux/module.h>
   9 #include <linux/leds.h>
  10 #include <linux/platform_device.h>
  11
  12 #define LEDFLAGS(bits, shift)           \
  13         ((bits << 8) | (shift << 8))
  14
  15 #define LEDBITS(id, shift, bits)        \
  16         .name = id #shift,              \
  17         .flags = LEDFLAGS(bits, shift)
  18
  19 struct led_info led_data_info[] = {
  20         { LEDBITS("bit", 0, 1) },
  21         { LEDBITS("bit", 1, 1) },
  22         { LEDBITS("bit", 2, 1) },
  23         { LEDBITS("bit", 3, 1) },
  24         { LEDBITS("bit", 4, 1) },
  25         { LEDBITS("bit", 5, 1) },
  26         { LEDBITS("bit", 6, 1) },
  27         { LEDBITS("bit", 7, 1) },
  28         { LEDBITS("all", 0, 8) },
  29 };
  30
  31 static struct led_platform_data led_data = {
  32         .num_leds       = ARRAY_SIZE(led_data_info),
  33         .leds           = led_data_info
  34 };
  35
  36 static struct resource pled_resources[] = {
  37         {
  38                 .start  = 0x1f000210,
  39                 .end    = 0x1f000217,
  40                 .flags  = IORESOURCE_MEM
  41         }
  42 };
  43
  44 static struct platform_device pled_device = {
  45         .name                   = "sead3::pled",
  46         .id                     = 0,
  47         .dev                    = {
  48                 .platform_data  = &led_data,
  49         },
  50         .num_resources          = ARRAY_SIZE(pled_resources),
  51         .resource               = pled_resources
  52 };
  53
  54
  55 static struct resource fled_resources[] = {
  56         {
  57                 .start                  = 0x1f000218,
  58                 .end                    = 0x1f00021f,
  59                 .flags                  = IORESOURCE_MEM
  60         }
  61 };
  62
  63 static struct platform_device fled_device = {
  64         .name                   = "sead3::fled",
  65         .id                     = 0,
  66         .dev                    = {
  67                 .platform_data  = &led_data,
  68         },
  69         .num_resources          = ARRAY_SIZE(fled_resources),
  70         .resource               = fled_resources
  71 };
  72
  73 static int __init led_init(void)
  74 {
  75         platform_device_register(&pled_device);
  76         return platform_device_register(&fled_device);
  77 }
  78
  79 module_init(led_init);
  80
  81 MODULE_AUTHOR("Chris Dearman <chris@mips.com>");
  82 MODULE_LICENSE("GPL");
  83 MODULE_DESCRIPTION("LED probe driver for SEAD-3");