linux/arch/arm/mach-mxs/devices/platform-mxs-i2c.c

53 lines
1.3 KiB
C

/*
* Copyright (C) 2011 Pengutronix
* Wolfram Sang <w.sang@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 <asm/sizes.h>
#include <mach/mx28.h>
#include <mach/devices-common.h>
#define mxs_i2c_data_entry_single(soc, _id) \
{ \
.id = _id, \
.iobase = soc ## _I2C ## _id ## _BASE_ADDR, \
.errirq = soc ## _INT_I2C ## _id ## _ERROR, \
.dmairq = soc ## _INT_I2C ## _id ## _DMA, \
}
#define mxs_i2c_data_entry(soc, _id) \
[_id] = mxs_i2c_data_entry_single(soc, _id)
#ifdef CONFIG_SOC_IMX28
const struct mxs_mxs_i2c_data mx28_mxs_i2c_data[] __initconst = {
mxs_i2c_data_entry(MX28, 0),
mxs_i2c_data_entry(MX28, 1),
};
#endif
struct platform_device *__init mxs_add_mxs_i2c(
const struct mxs_mxs_i2c_data *data)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_8K - 1,
.flags = IORESOURCE_MEM,
}, {
.start = data->errirq,
.end = data->errirq,
.flags = IORESOURCE_IRQ,
}, {
.start = data->dmairq,
.end = data->dmairq,
.flags = IORESOURCE_IRQ,
},
};
return mxs_add_platform_device("mxs-i2c", data->id, res,
ARRAY_SIZE(res), NULL, 0);
}