ubuntu-linux-kernel/arch/arm/mach-imx/devices/platform-imx-i2c.c

78 lines
2.3 KiB
C

/*
* 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_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));
}