arch/arm/mach-mxs/devices/platform-auart.c

   1 /*
   2  * Copyright (C) 2010 Pengutronix
   3  * Sascha Hauer <s.hauer@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 <linux/dma-mapping.h>
  10 #include <asm/sizes.h>
  11 #include <mach/mx23.h>
  12 #include <mach/mx28.h>
  13 #include <mach/devices-common.h>
  14
  15 #define mxs_auart_data_entry_single(soc, _id, hwid)                     \
  16         {                                                               \
  17                 .id = _id,                                              \
  18                 .iobase = soc ## _AUART ## hwid ## _BASE_ADDR,          \
  19                 .irq = soc ## _INT_AUART ## hwid,                       \
  20         }
  21
  22 #define mxs_auart_data_entry(soc, _id, hwid)                            \
  23         [_id] = mxs_auart_data_entry_single(soc, _id, hwid)
  24
  25 #ifdef CONFIG_SOC_IMX23
  26 const struct mxs_auart_data mx23_auart_data[] __initconst = {
  27 #define mx23_auart_data_entry(_id, hwid)                                \
  28         mxs_auart_data_entry(MX23, _id, hwid)
  29         mx23_auart_data_entry(0, 1),
  30         mx23_auart_data_entry(1, 2),
  31 };
  32 #endif
  33
  34 #ifdef CONFIG_SOC_IMX28
  35 const struct mxs_auart_data mx28_auart_data[] __initconst = {
  36 #define mx28_auart_data_entry(_id)                                      \
  37         mxs_auart_data_entry(MX28, _id, _id)
  38         mx28_auart_data_entry(0),
  39         mx28_auart_data_entry(1),
  40         mx28_auart_data_entry(2),
  41         mx28_auart_data_entry(3),
  42         mx28_auart_data_entry(4),
  43 };
  44 #endif
  45
  46 struct platform_device *__init mxs_add_auart(
  47                 const struct mxs_auart_data *data)
  48 {
  49         struct resource res[] = {
  50                 {
  51                         .start = data->iobase,
  52                         .end = data->iobase + SZ_8K - 1,
  53                         .flags = IORESOURCE_MEM,
  54                 }, {
  55                         .start = data->irq,
  56                         .end = data->irq,
  57                         .flags = IORESOURCE_IRQ,
  58                 },
  59         };
  60
  61         return mxs_add_platform_device_dmamask("mxs-auart", data->id,
  62                                         res, ARRAY_SIZE(res), NULL, 0,
  63                                         DMA_BIT_MASK(32));
  64 }
  65