Blame view

kernel/linux-rt-4.4.41/arch/arm/mach-imx/devices/platform-imx-i2c.c 2.49 KB
5113f6f70   김현기   kernel add
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
  /*
   * Copyright (C) 2009-2010 Pengutronix
   * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License version 2 as published by the
   * Free Software Foundation.
   */
  #include "../hardware.h"
  #include "devices-common.h"
  
  #define imx_imx_i2c_data_entry_single(soc, _devid, _id, _hwid, _size)	\
  	{								\
  		.devid = _devid,					\
  		.id = _id,						\
  		.iobase = soc ## _I2C ## _hwid ## _BASE_ADDR,		\
  		.iosize = _size,					\
  		.irq = soc ## _INT_I2C ## _hwid,			\
  	}
  
  #define imx_imx_i2c_data_entry(soc, _devid, _id, _hwid, _size)		\
  	[_id] = imx_imx_i2c_data_entry_single(soc, _devid, _id, _hwid, _size)
  
  #ifdef CONFIG_SOC_IMX1
  const struct imx_imx_i2c_data imx1_imx_i2c_data __initconst =
  	imx_imx_i2c_data_entry_single(MX1, "imx1-i2c", 0, , SZ_4K);
  #endif /* ifdef CONFIG_SOC_IMX1 */
  
  #ifdef CONFIG_SOC_IMX21
  const struct imx_imx_i2c_data imx21_imx_i2c_data __initconst =
  	imx_imx_i2c_data_entry_single(MX21, "imx21-i2c", 0, , SZ_4K);
  #endif /* ifdef CONFIG_SOC_IMX21 */
  
  #ifdef CONFIG_SOC_IMX27
  const struct imx_imx_i2c_data imx27_imx_i2c_data[] __initconst = {
  #define imx27_imx_i2c_data_entry(_id, _hwid)				\
  	imx_imx_i2c_data_entry(MX27, "imx21-i2c", _id, _hwid, SZ_4K)
  	imx27_imx_i2c_data_entry(0, 1),
  	imx27_imx_i2c_data_entry(1, 2),
  };
  #endif /* ifdef CONFIG_SOC_IMX27 */
  
  #ifdef CONFIG_SOC_IMX31
  const struct imx_imx_i2c_data imx31_imx_i2c_data[] __initconst = {
  #define imx31_imx_i2c_data_entry(_id, _hwid)				\
  	imx_imx_i2c_data_entry(MX31, "imx21-i2c", _id, _hwid, SZ_4K)
  	imx31_imx_i2c_data_entry(0, 1),
  	imx31_imx_i2c_data_entry(1, 2),
  	imx31_imx_i2c_data_entry(2, 3),
  };
  #endif /* ifdef CONFIG_SOC_IMX31 */
  
  #ifdef CONFIG_SOC_IMX35
  const struct imx_imx_i2c_data imx35_imx_i2c_data[] __initconst = {
  #define imx35_imx_i2c_data_entry(_id, _hwid)				\
  	imx_imx_i2c_data_entry(MX35, "imx21-i2c", _id, _hwid, SZ_4K)
  	imx35_imx_i2c_data_entry(0, 1),
  	imx35_imx_i2c_data_entry(1, 2),
  	imx35_imx_i2c_data_entry(2, 3),
  };
  #endif /* ifdef CONFIG_SOC_IMX35 */
  
  struct platform_device *__init imx_add_imx_i2c(
  		const struct imx_imx_i2c_data *data,
  		const struct imxi2c_platform_data *pdata)
  {
  	struct resource res[] = {
  		{
  			.start = data->iobase,
  			.end = data->iobase + data->iosize - 1,
  			.flags = IORESOURCE_MEM,
  		}, {
  			.start = data->irq,
  			.end = data->irq,
  			.flags = IORESOURCE_IRQ,
  		},
  	};
  
  	return imx_add_platform_device(data->devid, data->id,
  			res, ARRAY_SIZE(res),
  			pdata, sizeof(*pdata));
  }