arch/arm/plat-samsung/dev-keypad.c

   1 /*
   2  * linux/arch/arm/plat-samsung/dev-keypad.c
   3  *
   4  * Copyright (C) 2010 Samsung Electronics Co.Ltd
   5  * Author: Joonyoung Shim <jy0922.shim@samsung.com>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  *
  12  */
  13
  14 #include <linux/platform_device.h>
  15 #include <mach/irqs.h>
  16 #include <mach/map.h>
  17 #include <plat/cpu.h>
  18 #include <plat/devs.h>
  19 #include <plat/keypad.h>
  20
  21 static struct resource samsung_keypad_resources[] = {
  22         [0] = {
  23                 .start  = SAMSUNG_PA_KEYPAD,
  24                 .end    = SAMSUNG_PA_KEYPAD + 0x20 - 1,
  25                 .flags  = IORESOURCE_MEM,
  26         },
  27         [1] = {
  28                 .start  = IRQ_KEYPAD,
  29                 .end    = IRQ_KEYPAD,
  30                 .flags  = IORESOURCE_IRQ,
  31         },
  32 };
  33
  34 struct platform_device samsung_device_keypad = {
  35         .name           = "samsung-keypad",
  36         .id             = -1,
  37         .num_resources  = ARRAY_SIZE(samsung_keypad_resources),
  38         .resource       = samsung_keypad_resources,
  39 };
  40
  41 void __init samsung_keypad_set_platdata(struct samsung_keypad_platdata *pd)
  42 {
  43         struct samsung_keypad_platdata *npd;
  44
  45         npd = s3c_set_platdata(pd, sizeof(struct samsung_keypad_platdata),
  46                         &samsung_device_keypad);
  47
  48         if (!npd->cfg_gpio)
  49                 npd->cfg_gpio = samsung_keypad_cfg_gpio;
  50 }