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>

1 files changed, 17 insertions, 0 deletions

diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c
index ee8f3d986ff5..bf131457c0e5 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));
 }