arch/arm/plat-mxc/devices/platform-imx-keypad.c

   1 /*
   2  * Copyright (C) 2010 Pengutronix
   3  * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under
   6  * the terms of the GNU General Public License version 2 as published by the
   7  * Free Software Foundation.
   8  */
   9 #include <mach/hardware.h>
  10 #include <mach/devices-common.h>
  11
  12 #define imx_imx_keypad_data_entry_single(soc)                           \
  13         {                                                               \
  14                 .iobase = soc ## _KPP_BASE_ADDR,                        \
  15                 .irq = soc ## _INT_KPP,                                 \
  16         }
  17
  18 #ifdef CONFIG_SOC_IMX21
  19 const struct imx_imx_keypad_data imx21_imx_keypad_data __initconst =
  20         imx_imx_keypad_data_entry_single(MX21);
  21 #endif /* ifdef CONFIG_SOC_IMX21 */
  22
  23 #ifdef CONFIG_SOC_IMX27
  24 const struct imx_imx_keypad_data imx27_imx_keypad_data __initconst =
  25         imx_imx_keypad_data_entry_single(MX27);
  26 #endif /* ifdef CONFIG_SOC_IMX27 */
  27
  28 struct platform_device *__init imx_add_imx_keypad(
  29                 const struct imx_imx_keypad_data *data,
  30                 const struct matrix_keymap_data *pdata)
  31 {
  32         struct resource res[] = {
  33                 {
  34                         .start = data->iobase,
  35                         .end = data->iobase + SZ_16 - 1,
  36                         .flags = IORESOURCE_MEM,
  37                 }, {
  38                         .start = data->irq,
  39                         .end = data->irq,
  40                         .flags = IORESOURCE_IRQ,
  41                 },
  42         };
  43
  44         return imx_add_platform_device("imx-keypad", -1,
  45                         res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
  46 }