diff options
Diffstat (limited to 'arch/arm/mach-mxs/devices/platform-auart.c')
| -rw-r--r-- | arch/arm/mach-mxs/devices/platform-auart.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/platform-auart.c b/arch/arm/mach-mxs/devices/platform-auart.c new file mode 100644 index 000000000000..f0dbf8a21456 --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-auart.c @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2010 Pengutronix + * Sascha Hauer <s.hauer@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_auart_data_entry_single(soc, _id) \ + { \ + .id = _id, \ + .iobase = soc ## _AUART ## _id ## _BASE_ADDR, \ + .irq = soc ## _INT_AUART ## _id, \ + } + +#define mxs_auart_data_entry(soc, _id) \ + [_id] = mxs_auart_data_entry_single(soc, _id) + +#ifdef CONFIG_SOC_IMX28 +const struct mxs_auart_data mx28_auart_data[] __initconst = { +#define mx28_auart_data_entry(_id) \ + mxs_auart_data_entry(MX28, _id) + mx28_auart_data_entry(0), + mx28_auart_data_entry(1), + mx28_auart_data_entry(2), + mx28_auart_data_entry(3), + mx28_auart_data_entry(4), +}; +#endif + +struct platform_device *__init mxs_add_auart( + const struct mxs_auart_data *data) +{ + struct resource res[] = { + { + .start = data->iobase, + .end = data->iobase + SZ_8K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = data->irq, + .end = data->irq, + .flags = IORESOURCE_IRQ, + }, + }; + + return mxs_add_platform_device_dmamask("mxs-auart", data->id, + res, ARRAY_SIZE(res), NULL, 0, + DMA_BIT_MASK(32)); +} + |