diff options
Diffstat (limited to 'kernel/arch/arm/mach-imx/devices/platform-imx-i2c.c')
-rw-r--r-- | kernel/arch/arm/mach-imx/devices/platform-imx-i2c.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-imx/devices/platform-imx-i2c.c b/kernel/arch/arm/mach-imx/devices/platform-imx-i2c.c new file mode 100644 index 000000000..ae9791522 --- /dev/null +++ b/kernel/arch/arm/mach-imx/devices/platform-imx-i2c.c @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2009-2010 Pengutronix + * Uwe Kleine-Koenig <u.kleine-koenig@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 "../hardware.h" +#include "devices-common.h" + +#define imx_imx_i2c_data_entry_single(soc, _devid, _id, _hwid, _size) \ + { \ + .devid = _devid, \ + .id = _id, \ + .iobase = soc ## _I2C ## _hwid ## _BASE_ADDR, \ + .iosize = _size, \ + .irq = soc ## _INT_I2C ## _hwid, \ + } + +#define imx_imx_i2c_data_entry(soc, _devid, _id, _hwid, _size) \ + [_id] = imx_imx_i2c_data_entry_single(soc, _devid, _id, _hwid, _size) + +#ifdef CONFIG_SOC_IMX1 +const struct imx_imx_i2c_data imx1_imx_i2c_data __initconst = + imx_imx_i2c_data_entry_single(MX1, "imx1-i2c", 0, , SZ_4K); +#endif /* ifdef CONFIG_SOC_IMX1 */ + +#ifdef CONFIG_SOC_IMX21 +const struct imx_imx_i2c_data imx21_imx_i2c_data __initconst = + imx_imx_i2c_data_entry_single(MX21, "imx21-i2c", 0, , SZ_4K); +#endif /* ifdef CONFIG_SOC_IMX21 */ + +#ifdef CONFIG_SOC_IMX27 +const struct imx_imx_i2c_data imx27_imx_i2c_data[] __initconst = { +#define imx27_imx_i2c_data_entry(_id, _hwid) \ + imx_imx_i2c_data_entry(MX27, "imx21-i2c", _id, _hwid, SZ_4K) + imx27_imx_i2c_data_entry(0, 1), + imx27_imx_i2c_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX27 */ + +#ifdef CONFIG_SOC_IMX31 +const struct imx_imx_i2c_data imx31_imx_i2c_data[] __initconst = { +#define imx31_imx_i2c_data_entry(_id, _hwid) \ + imx_imx_i2c_data_entry(MX31, "imx21-i2c", _id, _hwid, SZ_4K) + imx31_imx_i2c_data_entry(0, 1), + imx31_imx_i2c_data_entry(1, 2), + imx31_imx_i2c_data_entry(2, 3), +}; +#endif /* ifdef CONFIG_SOC_IMX31 */ + +#ifdef CONFIG_SOC_IMX35 +const struct imx_imx_i2c_data imx35_imx_i2c_data[] __initconst = { +#define imx35_imx_i2c_data_entry(_id, _hwid) \ + imx_imx_i2c_data_entry(MX35, "imx21-i2c", _id, _hwid, SZ_4K) + imx35_imx_i2c_data_entry(0, 1), + imx35_imx_i2c_data_entry(1, 2), + imx35_imx_i2c_data_entry(2, 3), +}; +#endif /* ifdef CONFIG_SOC_IMX35 */ + +struct platform_device *__init imx_add_imx_i2c( + const struct imx_imx_i2c_data *data, + const struct imxi2c_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 imx_add_platform_device(data->devid, data->id, + res, ARRAY_SIZE(res), + pdata, sizeof(*pdata)); +} |