diff options
Diffstat (limited to 'arch/arm/mach-mxs/devices/platform-mxs-i2c.c')
-rw-r--r-- | arch/arm/mach-mxs/devices/platform-mxs-i2c.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/platform-mxs-i2c.c b/arch/arm/mach-mxs/devices/platform-mxs-i2c.c new file mode 100644 index 000000000000..eab3a06836d6 --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-mxs-i2c.c | |||
@@ -0,0 +1,51 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2011 Pengutronix | ||
3 | * Wolfram Sang <w.sang@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 <asm/sizes.h> | ||
10 | #include <mach/mx28.h> | ||
11 | #include <mach/devices-common.h> | ||
12 | |||
13 | #define mxs_i2c_data_entry_single(soc, _id) \ | ||
14 | { \ | ||
15 | .id = _id, \ | ||
16 | .iobase = soc ## _I2C ## _id ## _BASE_ADDR, \ | ||
17 | .errirq = soc ## _INT_I2C ## _id ## _ERROR, \ | ||
18 | .dmairq = soc ## _INT_I2C ## _id ## _DMA, \ | ||
19 | } | ||
20 | |||
21 | #define mxs_i2c_data_entry(soc, _id) \ | ||
22 | [_id] = mxs_i2c_data_entry_single(soc, _id) | ||
23 | |||
24 | #ifdef CONFIG_SOC_IMX28 | ||
25 | const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst = { | ||
26 | mxs_i2c_data_entry(MX28, 0), | ||
27 | mxs_i2c_data_entry(MX28, 1), | ||
28 | }; | ||
29 | #endif | ||
30 | |||
31 | struct platform_device *__init mxs_add_mxs_i2c(const struct mxs_i2c_data *data) | ||
32 | { | ||
33 | struct resource res[] = { | ||
34 | { | ||
35 | .start = data->iobase, | ||
36 | .end = data->iobase + SZ_8K - 1, | ||
37 | .flags = IORESOURCE_MEM, | ||
38 | }, { | ||
39 | .start = data->errirq, | ||
40 | .end = data->errirq, | ||
41 | .flags = IORESOURCE_IRQ, | ||
42 | }, { | ||
43 | .start = data->dmairq, | ||
44 | .end = data->dmairq, | ||
45 | .flags = IORESOURCE_IRQ, | ||
46 | }, | ||
47 | }; | ||
48 | |||
49 | return mxs_add_platform_device("mxs-i2c", data->id, res, | ||
50 | ARRAY_SIZE(res), NULL, 0); | ||
51 | } | ||