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ARM: mxs: dynamically register flexcan devices for mx28

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Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2011-02-02 13:50:30 +01:00 committed by Sascha Hauer
parent 6ea038a777
commit 22cbba1b82
5 changed files with 74 additions and 0 deletions
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6
arch/arm/mach-mxs/devices-mx28.h
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@ -26,3 +26,9 @@ extern const struct mxs_auart_data mx28_auart_data[] __initconst;
extern const struct mxs_fec_data mx28_fec_data[] __initconst;
#define mx28_add_fec(id, pdata) \
mxs_add_fec(&mx28_fec_data[id], pdata)
extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst;
#define mx28_add_flexcan(id, pdata) \
mxs_add_flexcan(&mx28_flexcan_data[id], pdata)
#define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata)
#define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata)

4
arch/arm/mach-mxs/devices/Kconfig
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@ -7,3 +7,7 @@ config MXS_HAVE_PLATFORM_AUART
config MXS_HAVE_PLATFORM_FEC
bool
config MXS_HAVE_PLATFORM_FLEXCAN
select HAVE_CAN_FLEXCAN if CAN
bool

1
arch/arm/mach-mxs/devices/Makefile
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@ -1,3 +1,4 @@
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

51
arch/arm/mach-mxs/devices/platform-flexcan.c Normal file
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@ -0,0 +1,51 @@
/*
* Copyright (C) 2010, 2011 Pengutronix,
* Marc Kleine-Budde <kernel@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_flexcan_data_entry_single(soc, _id, _hwid, _size) \
{ \
.id = _id, \
.iobase = soc ## _CAN ## _hwid ## _BASE_ADDR, \
.iosize = _size, \
.irq = soc ## _INT_CAN ## _hwid, \
}
#define mxs_flexcan_data_entry(soc, _id, _hwid, _size) \
[_id] = mxs_flexcan_data_entry_single(soc, _id, _hwid, _size)
#ifdef CONFIG_SOC_IMX28
const struct mxs_flexcan_data mx28_flexcan_data[] __initconst = {
#define mx28_flexcan_data_entry(_id, _hwid) \
mxs_flexcan_data_entry_single(MX28, _id, _hwid, SZ_8K)
mx28_flexcan_data_entry(0, 0),
mx28_flexcan_data_entry(1, 1),
};
#endif /* ifdef CONFIG_SOC_IMX28 */
struct platform_device *__init mxs_add_flexcan(
const struct mxs_flexcan_data *data,
const struct flexcan_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 mxs_add_platform_device("flexcan", data->id,
res, ARRAY_SIZE(res), pdata, sizeof(*pdata));
}

12
arch/arm/mach-mxs/include/mach/devices-common.h
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@ -51,3 +51,15 @@ struct mxs_fec_data {
struct platform_device *__init mxs_add_fec(
const struct mxs_fec_data *data,
const struct fec_platform_data *pdata);
/* flexcan */
#include <linux/can/platform/flexcan.h>
struct mxs_flexcan_data {
int id;
resource_size_t iobase;
resource_size_t iosize;
resource_size_t irq;
};
struct platform_device *__init mxs_add_flexcan(
const struct mxs_flexcan_data *data,
const struct flexcan_platform_data *pdata);