diff options
Diffstat (limited to 'arch/arm/mach-mxs/devices/platform-mxs-i2c.c')
-rw-r--r-- | arch/arm/mach-mxs/devices/platform-mxs-i2c.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/devices/platform-mxs-i2c.c b/arch/arm/mach-mxs/devices/platform-mxs-i2c.c new file mode 100644 index 000000000000..eab3a06836d6 --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-mxs-i2c.c @@ -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); +} |