arch/arm/plat-mxc/devices/platform-mxc_pwm.c

   1 /*
   2  * Copyright (C) 2009-2010 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_mxc_pwm_data_entry_single(soc, _id, _hwid, _size)           \
  13         {                                                               \
  14                 .id = _id,                                              \
  15                 .iobase = soc ## _PWM ## _hwid ## _BASE_ADDR,           \
  16                 .iosize = _size,                                        \
  17                 .irq = soc ## _INT_PWM ## _hwid,                        \
  18         }
  19 #define imx_mxc_pwm_data_entry(soc, _id, _hwid, _size)                  \
  20         [_id] = imx_mxc_pwm_data_entry_single(soc, _id, _hwid, _size)
  21
  22 #ifdef CONFIG_SOC_IMX21
  23 const struct imx_mxc_pwm_data imx21_mxc_pwm_data __initconst =
  24         imx_mxc_pwm_data_entry_single(MX21, 0, , SZ_4K);
  25 #endif /* ifdef CONFIG_SOC_IMX21 */
  26
  27 #ifdef CONFIG_SOC_IMX25
  28 const struct imx_mxc_pwm_data imx25_mxc_pwm_data[] __initconst = {
  29 #define imx25_mxc_pwm_data_entry(_id, _hwid)                            \
  30         imx_mxc_pwm_data_entry(MX25, _id, _hwid, SZ_16K)
  31         imx25_mxc_pwm_data_entry(0, 1),
  32         imx25_mxc_pwm_data_entry(1, 2),
  33         imx25_mxc_pwm_data_entry(2, 3),
  34         imx25_mxc_pwm_data_entry(3, 4),
  35 };
  36 #endif /* ifdef CONFIG_SOC_IMX25 */
  37
  38 #ifdef CONFIG_SOC_IMX27
  39 const struct imx_mxc_pwm_data imx27_mxc_pwm_data __initconst =
  40         imx_mxc_pwm_data_entry_single(MX27, 0, , SZ_4K);
  41 #endif /* ifdef CONFIG_SOC_IMX27 */
  42
  43 struct platform_device *__init imx_add_mxc_pwm(
  44                 const struct imx_mxc_pwm_data *data)
  45 {
  46         struct resource res[] = {
  47                 {
  48                         .start = data->iobase,
  49                         .end = data->iobase + data->iosize - 1,
  50                         .flags = IORESOURCE_MEM,
  51                 }, {
  52                         .start = data->irq,
  53                         .end = data->irq,
  54                         .flags = IORESOURCE_IRQ,
  55                 },
  56         };
  57
  58         return imx_add_platform_device("mxc_pwm", data->id,
  59                         res, ARRAY_SIZE(res), NULL, 0);
  60 }