diff options
| author | Marc Kleine-Budde <mkl@pengutronix.de> | 2011-02-02 13:50:30 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-02-03 15:11:19 +0100 |
| commit | 22cbba1b82de458028f4aa270e88492b622c1ea8 (patch) | |
| tree | 278dae4fd5b159d4721381b954070e0d0125713b /arch/arm/mach-mxs/devices | |
| parent | 6ea038a7771be6652784fd06ad01f44028e3a43c (diff) | |
ARM: mxs: dynamically register flexcan devices for mx28
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>
Diffstat (limited to 'arch/arm/mach-mxs/devices')
| -rw-r--r-- | arch/arm/mach-mxs/devices/Kconfig | 4 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/devices/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/devices/platform-flexcan.c | 51 |
3 files changed, 56 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig index 3001b754948a..6c65b6716cf7 100644 --- a/arch/arm/mach-mxs/devices/Kconfig +++ b/arch/arm/mach-mxs/devices/Kconfig @@ -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 diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index c814d054bad7..a8dc8d5f6e1e 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -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 diff --git a/arch/arm/mach-mxs/devices/platform-flexcan.c b/arch/arm/mach-mxs/devices/platform-flexcan.c new file mode 100644 index 000000000000..43a6b4bae6fe --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-flexcan.c @@ -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)); +} |