Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
platform-imx-i2c.c
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2009-2010 Pengutronix
3  * Uwe Kleine-Koenig <[email protected]>
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_i2c_data_entry_single(soc, _id, _hwid, _size) \
13  { \
14  .id = _id, \
15  .iobase = soc ## _I2C ## _hwid ## _BASE_ADDR, \
16  .iosize = _size, \
17  .irq = soc ## _INT_I2C ## _hwid, \
18  }
19 
20 #define imx_imx_i2c_data_entry(soc, _id, _hwid, _size) \
21  [_id] = imx_imx_i2c_data_entry_single(soc, _id, _hwid, _size)
22 
23 #ifdef CONFIG_SOC_IMX1
26 #endif /* ifdef CONFIG_SOC_IMX1 */
27 
28 #ifdef CONFIG_SOC_IMX21
29 const struct imx_imx_i2c_data imx21_imx_i2c_data __initconst =
31 #endif /* ifdef CONFIG_SOC_IMX21 */
32 
33 #ifdef CONFIG_SOC_IMX25
34 const struct imx_imx_i2c_data imx25_imx_i2c_data[] __initconst = {
35 #define imx25_imx_i2c_data_entry(_id, _hwid) \
36  imx_imx_i2c_data_entry(MX25, _id, _hwid, SZ_16K)
37  imx25_imx_i2c_data_entry(0, 1),
38  imx25_imx_i2c_data_entry(1, 2),
39  imx25_imx_i2c_data_entry(2, 3),
40 };
41 #endif /* ifdef CONFIG_SOC_IMX25 */
42 
43 #ifdef CONFIG_SOC_IMX27
44 const struct imx_imx_i2c_data imx27_imx_i2c_data[] __initconst = {
45 #define imx27_imx_i2c_data_entry(_id, _hwid) \
46  imx_imx_i2c_data_entry(MX27, _id, _hwid, SZ_4K)
47  imx27_imx_i2c_data_entry(0, 1),
48  imx27_imx_i2c_data_entry(1, 2),
49 };
50 #endif /* ifdef CONFIG_SOC_IMX27 */
51 
52 #ifdef CONFIG_SOC_IMX31
53 const struct imx_imx_i2c_data imx31_imx_i2c_data[] __initconst = {
54 #define imx31_imx_i2c_data_entry(_id, _hwid) \
55  imx_imx_i2c_data_entry(MX31, _id, _hwid, SZ_4K)
56  imx31_imx_i2c_data_entry(0, 1),
57  imx31_imx_i2c_data_entry(1, 2),
58  imx31_imx_i2c_data_entry(2, 3),
59 };
60 #endif /* ifdef CONFIG_SOC_IMX31 */
61 
62 #ifdef CONFIG_SOC_IMX35
63 const struct imx_imx_i2c_data imx35_imx_i2c_data[] __initconst = {
64 #define imx35_imx_i2c_data_entry(_id, _hwid) \
65  imx_imx_i2c_data_entry(MX35, _id, _hwid, SZ_4K)
66  imx35_imx_i2c_data_entry(0, 1),
67  imx35_imx_i2c_data_entry(1, 2),
68  imx35_imx_i2c_data_entry(2, 3),
69 };
70 #endif /* ifdef CONFIG_SOC_IMX35 */
71 
72 #ifdef CONFIG_SOC_IMX50
73 const struct imx_imx_i2c_data imx50_imx_i2c_data[] __initconst = {
74 #define imx50_imx_i2c_data_entry(_id, _hwid) \
75  imx_imx_i2c_data_entry(MX50, _id, _hwid, SZ_4K)
76  imx50_imx_i2c_data_entry(0, 1),
77  imx50_imx_i2c_data_entry(1, 2),
78  imx50_imx_i2c_data_entry(2, 3),
79 };
80 #endif /* ifdef CONFIG_SOC_IMX51 */
81 
82 #ifdef CONFIG_SOC_IMX51
83 const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst = {
84 #define imx51_imx_i2c_data_entry(_id, _hwid) \
85  imx_imx_i2c_data_entry(MX51, _id, _hwid, SZ_4K)
86  imx51_imx_i2c_data_entry(0, 1),
87  imx51_imx_i2c_data_entry(1, 2),
88  {
89  .id = 2,
90  .iobase = MX51_HSI2C_DMA_BASE_ADDR,
91  .iosize = SZ_16K,
92  .irq = MX51_INT_HS_I2C,
93  },
94 };
95 #endif /* ifdef CONFIG_SOC_IMX51 */
96 
97 #ifdef CONFIG_SOC_IMX53
98 const struct imx_imx_i2c_data imx53_imx_i2c_data[] __initconst = {
99 #define imx53_imx_i2c_data_entry(_id, _hwid) \
100  imx_imx_i2c_data_entry(MX53, _id, _hwid, SZ_4K)
101  imx53_imx_i2c_data_entry(0, 1),
102  imx53_imx_i2c_data_entry(1, 2),
103  imx53_imx_i2c_data_entry(2, 3),
104 };
105 #endif /* ifdef CONFIG_SOC_IMX53 */
106 
108  const struct imx_imx_i2c_data *data,
109  const struct imxi2c_platform_data *pdata)
110 {
111  struct resource res[] = {
112  {
113  .start = data->iobase,
114  .end = data->iobase + data->iosize - 1,
115  .flags = IORESOURCE_MEM,
116  }, {
117  .start = data->irq,
118  .end = data->irq,
119  .flags = IORESOURCE_IRQ,
120  },
121  };
122 
123  return imx_add_platform_device("imx-i2c", data->id,
124  res, ARRAY_SIZE(res),
125  pdata, sizeof(*pdata));
126 }