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arm: mxs: add i2c-devices for mx28 

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Wolfram Sang 2011-02-28 17:40:04 +01:00 committed by Sascha Hauer
parent 19373c04b9
commit 30feed37f2
5 changed files with 67 additions and 0 deletions
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3
arch/arm/mach-mxs/devices-mx28.h
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@ -33,4 +33,7 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst;
#define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata)
#define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata)
extern const struct mxs_i2c_data mx28_mxs_i2c_data[] __initconst;
#define mx28_add_mxs_i2c(id) mxs_add_mxs_i2c(&mx28_mxs_i2c_data[id])
#define mx28_add_mxs_pwm(id) mxs_add_mxs_pwm(MX28_PWM_BASE_ADDR, id)

3
arch/arm/mach-mxs/devices/Kconfig
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@ -12,5 +12,8 @@ config MXS_HAVE_PLATFORM_FLEXCAN
select HAVE_CAN_FLEXCAN if CAN
bool
config MXS_HAVE_PLATFORM_MXS_I2C
bool
config MXS_HAVE_PLATFORM_MXS_PWM
bool

1
arch/arm/mach-mxs/devices/Makefile
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@ -2,4 +2,5 @@ obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_I2C) += platform-mxs-i2c.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o

51
arch/arm/mach-mxs/devices/platform-mxs-i2c.c Normal file
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@ -0,0 +1,51 @@
/*
* 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_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_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);
}

9
arch/arm/mach-mxs/include/mach/devices-common.h
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@ -64,6 +64,15 @@ struct platform_device *__init mxs_add_flexcan(
const struct mxs_flexcan_data *data,
const struct flexcan_platform_data *pdata);
/* i2c */
struct mxs_i2c_data {
int id;
resource_size_t iobase;
resource_size_t errirq;
resource_size_t dmairq;
};
struct platform_device * __init mxs_add_mxs_i2c(const struct mxs_i2c_data *data);
/* pwm */
struct platform_device *__init mxs_add_mxs_pwm(
resource_size_t iobase, int id);