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| author | Vladimir Barinov <vova.barinov@gmail.com> | 2009-04-29 04:00:50 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-05-07 16:19:01 +0200 |
| commit | c981214ac4a304d784a290b3714cc73a39589af0 (patch) | |
| tree | a9fefe66ac4e68a204a0e4083d3188d11e22b3fc | |
| parent | 8d4fd258f9b0bee1ef5f1508bfed4d138a252891 (diff) | |
MX27ADS: Add I2C support
Add I2C support for MX27ADS board
Signed-off-by: Vladimir Barinov <vbarinov@embeddedalley.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/mach-mx2/mx27ads.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c index ee8f3d986ff..bf131457c0e 100644 --- a/arch/arm/mach-mx2/mx27ads.c +++ b/arch/arm/mach-mx2/mx27ads.c @@ -23,6 +23,7 @@ #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> +#include <linux/i2c.h> #include <mach/common.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -34,6 +35,7 @@ #include <mach/iomux.h> #include <mach/board-mx27ads.h> #include <mach/mxc_nand.h> +#include <mach/i2c.h> #include "devices.h" @@ -87,6 +89,9 @@ static unsigned int mx27ads_pins[] = { PD15_AOUT_FEC_COL, PD16_AIN_FEC_TX_ER, PF23_AIN_FEC_TX_EN, + /* I2C2 */ + PC5_PF_I2C2_SDA, + PC6_PF_I2C2_SCL, }; static struct mxc_nand_platform_data mx27ads_nand_board_info = { @@ -116,6 +121,13 @@ static struct platform_device mx27ads_nor_mtd_device = { .resource = &mx27ads_flash_resource, }; +static struct imxi2c_platform_data mx27ads_i2c_data = { + .bitrate = 100000, +}; + +static struct i2c_board_info mx27ads_i2c_devices[] = { +}; + static struct platform_device *platform_devices[] __initdata = { &mx27ads_nor_mtd_device, &mxc_fec_device, @@ -150,6 +162,11 @@ static void __init mx27ads_board_init(void) mxc_register_device(&mxc_uart_device5, &uart_pdata[5]); mxc_register_device(&mxc_nand_device, &mx27ads_nand_board_info); + /* only the i2c master 1 is used on this CPU card */ + i2c_register_board_info(1, mx27ads_i2c_devices, + ARRAY_SIZE(mx27ads_i2c_devices)); + mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data); + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); } |