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linux/arch/arm/plat-mxc/devices/platform-mxc_w1.c
Uwe Kleine-König ae71a56222 ARM: imx: dynamically allocate mxc_w1 devices
Currently there is no platform data used in the driver.  In case this
changes NULL is passed unused to the soc specific functions.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2010-11-17 08:58:13 +01:00

51 lines
1.4 KiB
C

/*
* Copyright (C) 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 <mach/hardware.h>
#include <mach/devices-common.h>
#define imx_mxc_w1_data_entry_single(soc) \
{ \
.iobase = soc ## _OWIRE_BASE_ADDR, \
}
#ifdef CONFIG_SOC_IMX21
const struct imx_mxc_w1_data imx21_mxc_w1_data __initconst =
imx_mxc_w1_data_entry_single(MX21);
#endif /* ifdef CONFIG_SOC_IMX21 */
#ifdef CONFIG_SOC_IMX27
const struct imx_mxc_w1_data imx27_mxc_w1_data __initconst =
imx_mxc_w1_data_entry_single(MX27);
#endif /* ifdef CONFIG_SOC_IMX27 */
#ifdef CONFIG_ARCH_MX31
const struct imx_mxc_w1_data imx31_mxc_w1_data __initconst =
imx_mxc_w1_data_entry_single(MX31);
#endif /* ifdef CONFIG_ARCH_MX31 */
#ifdef CONFIG_ARCH_MX35
const struct imx_mxc_w1_data imx35_mxc_w1_data __initconst =
imx_mxc_w1_data_entry_single(MX35);
#endif /* ifdef CONFIG_ARCH_MX35 */
struct platform_device *__init imx_add_mxc_w1(
const struct imx_mxc_w1_data *data)
{
struct resource res[] = {
{
.start = data->iobase,
.end = data->iobase + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
};
return imx_add_platform_device("mxc_w1", 0,
res, ARRAY_SIZE(res), NULL, 0);
}